---
_id: '12261'
abstract:
- lang: eng
  text: 'Dose–response relationships are a general concept for quantitatively describing
    biological systems across multiple scales, from the molecular to the whole-cell
    level. A clinically relevant example is the bacterial growth response to antibiotics,
    which is routinely characterized by dose–response curves. The shape of the dose–response
    curve varies drastically between antibiotics and plays a key role in treatment,
    drug interactions, and resistance evolution. However, the mechanisms shaping the
    dose–response curve remain largely unclear. Here, we show in Escherichia coli
    that the distinctively shallow dose–response curve of the antibiotic trimethoprim
    is caused by a negative growth-mediated feedback loop: Trimethoprim slows growth,
    which in turn weakens the effect of this antibiotic. At the molecular level, this
    feedback is caused by the upregulation of the drug target dihydrofolate reductase
    (FolA/DHFR). We show that this upregulation is not a specific response to trimethoprim
    but follows a universal trend line that depends primarily on the growth rate,
    irrespective of its cause. Rewiring the feedback loop alters the dose–response
    curve in a predictable manner, which we corroborate using a mathematical model
    of cellular resource allocation and growth. Our results indicate that growth-mediated
    feedback loops may shape drug responses more generally and could be exploited
    to design evolutionary traps that enable selection against drug resistance.'
acknowledged_ssus:
- _id: M-Shop
acknowledgement: This work was in part supported by Human Frontier Science Program
  GrantRGP0042/2013, Marie Curie Career Integration Grant303507, AustrianScience Fund
  (FWF) Grant P27201-B22, and German Research Foundation(DFG) Collaborative Research
  Center (SFB)1310to TB. SAA was supportedby the European Union’s Horizon2020Research
  and Innovation Programunder the Marie Skłodowska-Curie Grant agreement No707352.
  We wouldlike to thank the Bollenbach group for regular fruitful discussions. We
  areparticularly thankful for the technical assistance of Booshini Fernando andfor
  discussions of the theoretical aspects with Gerrit Ansmann. We areindebted to Bor
  Kavˇciˇc for invaluable advice, help with setting up theluciferase-based growth
  monitoring system, and for sharing plasmids. Weacknowledge the IST Austria Miba
  Machine Shop for their support inbuilding a housing for the stacker of the plate
  reader, which enabled thehigh-throughput luciferase-based experiments. We are grateful
  to RosalindAllen, Bor Kavˇciˇc and Dor Russ for feedback on the manuscript. Open
  Accessfunding enabled and organized by Projekt DEAL.
article_number: e10490
article_processing_charge: No
article_type: original
author:
- first_name: Andreas
  full_name: Angermayr, Andreas
  id: 4677C796-F248-11E8-B48F-1D18A9856A87
  last_name: Angermayr
  orcid: 0000-0001-8619-2223
- first_name: Tin Yau
  full_name: Pang, Tin Yau
  last_name: Pang
- first_name: Guillaume
  full_name: Chevereau, Guillaume
  last_name: Chevereau
- first_name: Karin
  full_name: Mitosch, Karin
  id: 39B66846-F248-11E8-B48F-1D18A9856A87
  last_name: Mitosch
- first_name: Martin J
  full_name: Lercher, Martin J
  last_name: Lercher
- first_name: Mark Tobias
  full_name: Bollenbach, Mark Tobias
  id: 3E6DB97A-F248-11E8-B48F-1D18A9856A87
  last_name: Bollenbach
  orcid: 0000-0003-4398-476X
citation:
  ama: Angermayr A, Pang TY, Chevereau G, Mitosch K, Lercher MJ, Bollenbach MT. Growth‐mediated
    negative feedback shapes quantitative antibiotic response. <i>Molecular Systems
    Biology</i>. 2022;18(9). doi:<a href="https://doi.org/10.15252/msb.202110490">10.15252/msb.202110490</a>
  apa: Angermayr, A., Pang, T. Y., Chevereau, G., Mitosch, K., Lercher, M. J., &#38;
    Bollenbach, M. T. (2022). Growth‐mediated negative feedback shapes quantitative
    antibiotic response. <i>Molecular Systems Biology</i>. Embo Press. <a href="https://doi.org/10.15252/msb.202110490">https://doi.org/10.15252/msb.202110490</a>
  chicago: Angermayr, Andreas, Tin Yau Pang, Guillaume Chevereau, Karin Mitosch, Martin
    J Lercher, and Mark Tobias Bollenbach. “Growth‐mediated Negative Feedback Shapes
    Quantitative Antibiotic Response.” <i>Molecular Systems Biology</i>. Embo Press,
    2022. <a href="https://doi.org/10.15252/msb.202110490">https://doi.org/10.15252/msb.202110490</a>.
  ieee: A. Angermayr, T. Y. Pang, G. Chevereau, K. Mitosch, M. J. Lercher, and M.
    T. Bollenbach, “Growth‐mediated negative feedback shapes quantitative antibiotic
    response,” <i>Molecular Systems Biology</i>, vol. 18, no. 9. Embo Press, 2022.
  ista: Angermayr A, Pang TY, Chevereau G, Mitosch K, Lercher MJ, Bollenbach MT. 2022.
    Growth‐mediated negative feedback shapes quantitative antibiotic response. Molecular
    Systems Biology. 18(9), e10490.
  mla: Angermayr, Andreas, et al. “Growth‐mediated Negative Feedback Shapes Quantitative
    Antibiotic Response.” <i>Molecular Systems Biology</i>, vol. 18, no. 9, e10490,
    Embo Press, 2022, doi:<a href="https://doi.org/10.15252/msb.202110490">10.15252/msb.202110490</a>.
  short: A. Angermayr, T.Y. Pang, G. Chevereau, K. Mitosch, M.J. Lercher, M.T. Bollenbach,
    Molecular Systems Biology 18 (2022).
date_created: 2023-01-16T09:58:34Z
date_published: 2022-09-01T00:00:00Z
date_updated: 2023-08-04T09:51:49Z
day: '01'
ddc:
- '570'
department:
- _id: ToBo
doi: 10.15252/msb.202110490
external_id:
  isi:
  - '000856482800001'
file:
- access_level: open_access
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file_date_updated: 2023-01-30T09:49:55Z
has_accepted_license: '1'
intvolume: '        18'
isi: 1
issue: '9'
keyword:
- Applied Mathematics
- Computational Theory and Mathematics
- General Agricultural and Biological Sciences
- General Immunology and Microbiology
- General Biochemistry
- Genetics and Molecular Biology
- Information Systems
language:
- iso: eng
month: '09'
oa: 1
oa_version: Published Version
publication: Molecular Systems Biology
publication_identifier:
  eissn:
  - 1744-4292
publication_status: published
publisher: Embo Press
quality_controlled: '1'
scopus_import: '1'
status: public
title: Growth‐mediated negative feedback shapes quantitative antibiotic response
tmp:
  image: /images/cc_by.png
  legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
  name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
  short: CC BY (4.0)
type: journal_article
user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
volume: 18
year: '2022'
...
---
_id: '7026'
abstract:
- lang: eng
  text: Effective design of combination therapies requires understanding the changes
    in cell physiology that result from drug interactions. Here, we show that the
    genome-wide transcriptional response to combinations of two drugs, measured at
    a rigorously controlled growth rate, can predict higher-order antagonism with
    a third drug in Saccharomyces cerevisiae. Using isogrowth profiling, over 90%
    of the variation in cellular response can be decomposed into three principal components
    (PCs) that have clear biological interpretations. We demonstrate that the third
    PC captures emergent transcriptional programs that are dependent on both drugs
    and can predict antagonism with a third drug targeting the emergent pathway. We
    further show that emergent gene expression patterns are most pronounced at a drug
    ratio where the drug interaction is strongest, providing a guideline for future
    measurements. Our results provide a readily applicable recipe for uncovering emergent
    responses in other systems and for higher-order drug combinations. A record of
    this paper’s transparent peer review process is included in the Supplemental Information.
acknowledged_ssus:
- _id: LifeSc
article_processing_charge: No
article_type: original
author:
- first_name: Martin
  full_name: Lukacisin, Martin
  id: 298FFE8C-F248-11E8-B48F-1D18A9856A87
  last_name: Lukacisin
  orcid: 0000-0001-6549-4177
- first_name: Tobias
  full_name: Bollenbach, Tobias
  id: 3E6DB97A-F248-11E8-B48F-1D18A9856A87
  last_name: Bollenbach
  orcid: 0000-0003-4398-476X
citation:
  ama: Lukacisin M, Bollenbach MT. Emergent gene expression responses to drug combinations
    predict higher-order drug interactions. <i>Cell Systems</i>. 2019;9(5):423-433.e1-e3.
    doi:<a href="https://doi.org/10.1016/j.cels.2019.10.004">10.1016/j.cels.2019.10.004</a>
  apa: Lukacisin, M., &#38; Bollenbach, M. T. (2019). Emergent gene expression responses
    to drug combinations predict higher-order drug interactions. <i>Cell Systems</i>.
    Cell Press. <a href="https://doi.org/10.1016/j.cels.2019.10.004">https://doi.org/10.1016/j.cels.2019.10.004</a>
  chicago: Lukacisin, Martin, and Mark Tobias Bollenbach. “Emergent Gene Expression
    Responses to Drug Combinations Predict Higher-Order Drug Interactions.” <i>Cell
    Systems</i>. Cell Press, 2019. <a href="https://doi.org/10.1016/j.cels.2019.10.004">https://doi.org/10.1016/j.cels.2019.10.004</a>.
  ieee: M. Lukacisin and M. T. Bollenbach, “Emergent gene expression responses to
    drug combinations predict higher-order drug interactions,” <i>Cell Systems</i>,
    vol. 9, no. 5. Cell Press, pp. 423-433.e1-e3, 2019.
  ista: Lukacisin M, Bollenbach MT. 2019. Emergent gene expression responses to drug
    combinations predict higher-order drug interactions. Cell Systems. 9(5), 423-433.e1-e3.
  mla: Lukacisin, Martin, and Mark Tobias Bollenbach. “Emergent Gene Expression Responses
    to Drug Combinations Predict Higher-Order Drug Interactions.” <i>Cell Systems</i>,
    vol. 9, no. 5, Cell Press, 2019, pp. 423-433.e1-e3, doi:<a href="https://doi.org/10.1016/j.cels.2019.10.004">10.1016/j.cels.2019.10.004</a>.
  short: M. Lukacisin, M.T. Bollenbach, Cell Systems 9 (2019) 423-433.e1-e3.
date_created: 2019-11-15T10:51:42Z
date_published: 2019-11-27T00:00:00Z
date_updated: 2023-08-30T07:24:58Z
day: '27'
ddc:
- '570'
department:
- _id: ToBo
doi: 10.1016/j.cels.2019.10.004
external_id:
  isi:
  - '000499495400003'
file:
- access_level: open_access
  checksum: 7a11d6c2f9523d65b049512d61733178
  content_type: application/pdf
  creator: dernst
  date_created: 2019-11-15T10:57:42Z
  date_updated: 2020-07-14T12:47:48Z
  file_id: '7027'
  file_name: 2019_CellSystems_Lukacisin.pdf
  file_size: 4238460
  relation: main_file
file_date_updated: 2020-07-14T12:47:48Z
has_accepted_license: '1'
intvolume: '         9'
isi: 1
issue: '5'
language:
- iso: eng
month: '11'
oa: 1
oa_version: Published Version
page: 423-433.e1-e3
project:
- _id: 25E9AF9E-B435-11E9-9278-68D0E5697425
  call_identifier: FWF
  grant_number: P27201-B22
  name: Revealing the mechanisms underlying drug interactions
- _id: 25EB3A80-B435-11E9-9278-68D0E5697425
  grant_number: RGP0042/2013
  name: Revealing the fundamental limits of cell growth
publication: Cell Systems
publication_identifier:
  issn:
  - 2405-4712
publication_status: published
publisher: Cell Press
quality_controlled: '1'
scopus_import: '1'
status: public
title: Emergent gene expression responses to drug combinations predict higher-order
  drug interactions
tmp:
  image: /images/cc_by.png
  legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
  name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
  short: CC BY (4.0)
type: journal_article
user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
volume: 9
year: '2019'
...
---
_id: '6392'
abstract:
- lang: eng
  text: "The regulation of gene expression is one of the most fundamental processes
    in living systems. In recent years, thanks to advances in sequencing technology
    and automation, it has become possible to study gene expression quantitatively,
    genome-wide and in high-throughput. This leads to the possibility of exploring
    changes in gene expression in the context of many external perturbations and their
    combinations, and thus of characterising the basic principles governing gene regulation.
    In this thesis, I present quantitative experimental approaches to studying transcriptional
    and protein level changes in response to combinatorial drug treatment, as well
    as a theoretical data-driven approach to analysing thermodynamic principles guiding
    transcription of protein coding genes.  \r\nIn the first part of this work, I
    present a novel methodological framework for quantifying gene expression changes
    in drug combinations, termed isogrowth profiling. External perturbations through
    small molecule drugs influence the growth rate of the cell, leading to wide-ranging
    changes in cellular physiology and gene expression. This confounds the gene expression
    changes specifically elicited by the particular drug. Combinatorial perturbations,
    owing to the increased stress they exert, influence the growth rate even more
    strongly and hence suffer the convolution problem to a greater extent when measuring
    gene expression changes. Isogrowth profiling is a way to experimentally abstract
    non-specific, growth rate related changes, by performing the measurement using
    varying ratios of two drugs at such concentrations that the overall inhibition
    rate is constant. Using a robotic setup for automated high-throughput re-dilution
    culture of Saccharomyces cerevisiae, the budding yeast, I investigate all pairwise
    interactions of four small molecule drugs through sequencing RNA along a growth
    isobole. Through principal component analysis, I demonstrate here that isogrowth
    profiling can uncover drug-specific as well as drug-interaction-specific gene
    expression changes. I show that drug-interaction-specific gene expression changes
    can be used for prediction of higher-order drug interactions. I propose a simplified
    generalised framework of isogrowth profiling, with few measurements needed for
    each drug pair, enabling the broad application of isogrowth profiling to high-throughput
    screening of inhibitors of cellular growth and beyond. Such high-throughput screenings
    of gene expression changes specific to pairwise drug interactions will be instrumental
    for predicting the higher-order interactions of the drugs.\r\n\r\nIn the second
    part of this work, I extend isogrowth profiling to single-cell measurements of
    gene expression, characterising population heterogeneity in the budding yeast
    in response to combinatorial drug perturbation while controlling for non-specific
    growth rate effects. Through flow cytometry of strains with protein products fused
    to green fluorescent protein, I discover multiple proteins with bi-modally distributed
    expression levels in the population in response to drug treatment. I characterize
    more closely the effect of an ionic stressor, lithium chloride, and find that
    it inhibits the splicing of mRNA, most strongly affecting ribosomal protein transcripts
    and leading to a bi-stable behaviour of a small ribosomal subunit protein Rps22B.
    Time-lapse microscopy of a microfluidic culture system revealed that the induced
    Rps22B heterogeneity leads to preferential survival of Rps22B-low cells after
    long starvation, but to preferential proliferation of Rps22B-high cells after
    short starvation. Overall, this suggests that yeast cells might use splicing of
    ribosomal genes for bet-hedging in fluctuating environments. I give specific examples
    of how further exploration of cellular heterogeneity in yeast in response to external
    perturbation has the potential to reveal yet-undiscovered gene regulation circuitry.\r\n\r\nIn
    the last part of this thesis, a re-analysis of a published sequencing dataset
    of nascent elongating transcripts is used to characterise the thermodynamic constraints
    for RNA polymerase II (RNAP) elongation. Population-level data on RNAP position
    throughout the transcribed genome with single nucleotide resolution are used to
    infer the sequence specific thermodynamic determinants of RNAP pausing and backtracking.
    This analysis reveals that the basepairing strength of the eight nucleotide-long
    RNA:DNA duplex relative to the basepairing strength of the same sequence when
    in DNA:DNA duplex, and the change in this quantity during RNA polymerase movement,
    is the key determinant of RNAP pausing. This is true for RNAP pausing while elongating,
    but also of RNAP pausing while backtracking and of the backtracking length. The
    quantitative dependence of RNAP pausing on basepairing energetics is used to infer
    the increase in pausing due to transcriptional mismatches, leading to a hypothesis
    that pervasive RNA polymerase II pausing is due to basepairing energetics, as
    an evolutionary cost for increased RNA polymerase II fidelity.\r\n\r\nThis work
    advances our understanding of the general principles governing gene expression,
    with the goal of making computational predictions of single-cell gene expression
    responses to combinatorial perturbations based on the individual perturbations
    possible. This ability would substantially facilitate the design of drug combination
    treatments and, in the long term, lead to our increased ability to more generally
    design targeted manipulations to any biological system. "
acknowledged_ssus:
- _id: LifeSc
- _id: M-Shop
- _id: Bio
alternative_title:
- IST Austria Thesis
author:
- first_name: Martin
  full_name: Lukacisin, Martin
  id: 298FFE8C-F248-11E8-B48F-1D18A9856A87
  last_name: Lukacisin
  orcid: 0000-0001-6549-4177
citation:
  ama: Lukacisin M. Quantitative investigation of gene expression principles through
    combinatorial drug perturbation and theory. 2019. doi:<a href="https://doi.org/10.15479/AT:ISTA:6392">10.15479/AT:ISTA:6392</a>
  apa: Lukacisin, M. (2019). <i>Quantitative investigation of gene expression principles
    through combinatorial drug perturbation and theory</i>. IST Austria. <a href="https://doi.org/10.15479/AT:ISTA:6392">https://doi.org/10.15479/AT:ISTA:6392</a>
  chicago: Lukacisin, Martin. “Quantitative Investigation of Gene Expression Principles
    through Combinatorial Drug Perturbation and Theory.” IST Austria, 2019. <a href="https://doi.org/10.15479/AT:ISTA:6392">https://doi.org/10.15479/AT:ISTA:6392</a>.
  ieee: M. Lukacisin, “Quantitative investigation of gene expression principles through
    combinatorial drug perturbation and theory,” IST Austria, 2019.
  ista: Lukacisin M. 2019. Quantitative investigation of gene expression principles
    through combinatorial drug perturbation and theory. IST Austria.
  mla: Lukacisin, Martin. <i>Quantitative Investigation of Gene Expression Principles
    through Combinatorial Drug Perturbation and Theory</i>. IST Austria, 2019, doi:<a
    href="https://doi.org/10.15479/AT:ISTA:6392">10.15479/AT:ISTA:6392</a>.
  short: M. Lukacisin, Quantitative Investigation of Gene Expression Principles through
    Combinatorial Drug Perturbation and Theory, IST Austria, 2019.
date_created: 2019-05-09T19:53:00Z
date_published: 2019-05-09T00:00:00Z
date_updated: 2023-09-22T09:19:41Z
day: '09'
ddc:
- '570'
department:
- _id: ToBo
doi: 10.15479/AT:ISTA:6392
extern: '1'
file:
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  creator: mlukacisin
  date_created: 2019-05-10T13:51:49Z
  date_updated: 2020-07-14T12:47:29Z
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  date_updated: 2021-02-11T11:17:16Z
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has_accepted_license: '1'
language:
- iso: eng
month: '05'
oa: 1
oa_version: Published Version
page: '103'
publication_identifier:
  isbn:
  - 978-3-99078-001-5
  issn:
  - 2663-337X
publication_status: published
publisher: IST Austria
related_material:
  record:
  - id: '1029'
    relation: part_of_dissertation
    status: public
status: public
supervisor:
- first_name: Mark Tobias
  full_name: Bollenbach, Mark Tobias
  id: 3E6DB97A-F248-11E8-B48F-1D18A9856A87
  last_name: Bollenbach
  orcid: 0000-0003-4398-476X
title: Quantitative investigation of gene expression principles through combinatorial
  drug perturbation and theory
type: dissertation
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
year: '2019'
...
---
_id: '6263'
abstract:
- lang: eng
  text: 'Antibiotic  resistance  can  emerge  spontaneously  through  genomic  mutation  and  render
    treatment   ineffective.   To   counteract   this process, in   addition   to   the   discovery   and
    description of resistance mechanisms,a deeper understanding of resistanceevolvabilityand
    its  determinantsis  needed. To address  this challenge,  this  thesisuncoversnew  genetic
    determinants   of   resistance   evolvability   using   a   customized   robotic   setup,
    exploressystematic   ways   in   which   resistance   evolution   is   perturbed   due   to
    dose-responsecharacteristics  of  drugs and  mutation  rate  differences,and  mathematically  investigates
    the evolutionary fate of one specific type of evolvability modifier -a stress-induced
    mutagenesis allele.We  find  severalgenes  which  strongly  inhibit  or  potentiate  resistance  evolution.  In  order
    to identify   them,   we   first developedan   automated   high-throughput   feedback-controlled
    protocol whichkeeps the population size and selection pressure approximately constant
    for hundreds  of  cultures  by  dynamically  re-diluting  the  cultures  and  adjusting  the  antibiotic
    concentration.  We  implementedthis  protocol  on  a  customized  liquid  handling  robot  and
    propagated  100  different  gene  deletion  strains  of Escherichia  coliin  triplicate  for  over  100
    generations  in  tetracycline  and  in  chloramphenicol,  and  comparedtheir  adaptation  rates.We  find  a  diminishing  returns  pattern,  where  initially  sensitive  strains  adapted  more
    compared to less sensitive ones.  Our data uncover that deletions of certain genes
    which do not  affect  mutation  rate,including  efflux  pump  components,  a  chaperone  and
    severalstructural  and regulatory  genes  can strongly  and  reproducibly  alterresistance  evolution.
    Sequencing   analysis of   evolved   populations   indicates   that   epistasis   with   resistance
    mutations  is  the  most  likelyexplanation. This  work  could  inspire  treatment  strategies  in
    which  targeted  inhibitors  of  evolvability  mechanisms  will  be  given  alongside  antibiotics  to
    slow down resistance evolution and extend theefficacy of antibiotics.We implemented  astochasticpopulation  genetics  model,
    toverifyways  in  which  general properties,  namely,  dose-response  characteristics  of  drugs  and  mutation  rates,  influence
    evolutionary  dynamics.  In  particular,  under  the  exposure  to  antibiotics  with  shallow  dose-response  curves,bacteria  have  narrower  distributions  of  fitness  effects  of  new  mutations.
    We  show  that in  silicothis  also  leads  to  slower  resistance  evolution.  We
    see and  confirm with experiments that increased mutation rates, apart from speeding
    up evolution, also leadto high reproducibility of phenotypic adaptation in a context
    of continually strong selection pressure.Knowledge  of  these  patterns  can  aid  in  predicting  the  dynamics  of  antibiotic
    resistance evolutionand adapting treatment schemes accordingly.Focusing on   a   previously   described   type   of   evolvability   modifier
    –a   stress-induced mutagenesis  allele –we  find  conditions  under  which  it  can  persist  in  a  population  under
    periodic  selectionakin  to  clinical  treatment. We  set  up  a  deterministic
    infinite  populationcontinuous  time  model  tracking  the  frequencies  of  a  mutator  and  resistance  allele  and
    evaluate  various  treatment  schemes  in  how  well  they  maintain  a stress-induced
    mutator allele. In particular,a high diversity  of stresses  is  crucial  for  the  persistence
    of the  mutator allele. This leads to a general trade-off where exactly those
    diversifying treatment schemes which  are  likely  to  decrease  levels  of  resistance  could  lead  to  stronger  selection  of  highly
    evolvable genotypes.In  the  long  run,  this  work  will  lead  to  a  deeper  understanding  of  the  genetic  and  cellular
    mechanisms involved in antibiotic resistance evolution and could inspire new strategies
    for slowing down its rate. '
acknowledged_ssus:
- _id: M-Shop
- _id: LifeSc
alternative_title:
- ISTA Thesis
article_processing_charge: No
author:
- first_name: Marta
  full_name: Lukacisinova, Marta
  id: 4342E402-F248-11E8-B48F-1D18A9856A87
  last_name: Lukacisinova
  orcid: 0000-0002-2519-8004
citation:
  ama: Lukacisinova M. Genetic determinants of antibiotic resistance evolution. 2018.
    doi:<a href="https://doi.org/10.15479/AT:ISTA:th1072">10.15479/AT:ISTA:th1072</a>
  apa: Lukacisinova, M. (2018). <i>Genetic determinants of antibiotic resistance evolution</i>.
    Institute of Science and Technology Austria. <a href="https://doi.org/10.15479/AT:ISTA:th1072">https://doi.org/10.15479/AT:ISTA:th1072</a>
  chicago: Lukacisinova, Marta. “Genetic Determinants of Antibiotic Resistance Evolution.”
    Institute of Science and Technology Austria, 2018. <a href="https://doi.org/10.15479/AT:ISTA:th1072">https://doi.org/10.15479/AT:ISTA:th1072</a>.
  ieee: M. Lukacisinova, “Genetic determinants of antibiotic resistance evolution,”
    Institute of Science and Technology Austria, 2018.
  ista: Lukacisinova M. 2018. Genetic determinants of antibiotic resistance evolution.
    Institute of Science and Technology Austria.
  mla: Lukacisinova, Marta. <i>Genetic Determinants of Antibiotic Resistance Evolution</i>.
    Institute of Science and Technology Austria, 2018, doi:<a href="https://doi.org/10.15479/AT:ISTA:th1072">10.15479/AT:ISTA:th1072</a>.
  short: M. Lukacisinova, Genetic Determinants of Antibiotic Resistance Evolution,
    Institute of Science and Technology Austria, 2018.
date_created: 2019-04-09T13:57:15Z
date_published: 2018-12-28T00:00:00Z
date_updated: 2023-09-22T09:20:37Z
day: '28'
ddc:
- '570'
- '576'
- '579'
degree_awarded: PhD
department:
- _id: ToBo
doi: 10.15479/AT:ISTA:th1072
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    status: public
status: public
supervisor:
- first_name: Tobias
  full_name: Bollenbach, Tobias
  id: 3E6DB97A-F248-11E8-B48F-1D18A9856A87
  last_name: Bollenbach
  orcid: 0000-0003-4398-476X
title: Genetic determinants of antibiotic resistance evolution
type: dissertation
user_id: c635000d-4b10-11ee-a964-aac5a93f6ac1
year: '2018'
...
---
_id: '818'
abstract:
- lang: eng
  text: 'Antibiotics have diverse effects on bacteria, including massive changes in
    bacterial gene expression. Whereas the gene expression changes under many antibiotics
    have been measured, the temporal organization of these responses and their dependence
    on the bacterial growth rate are unclear. As described in Chapter 1, we quantified
    the temporal gene expression changes in the bacterium Escherichia coli in response
    to the sudden exposure to antibiotics using a fluorescent reporter library and
    a robotic system. Our data show temporally structured gene expression responses,
    with response times for individual genes ranging from tens of minutes to several
    hours. We observed that many stress response genes were activated in response
    to antibiotics. As certain stress responses cross-protect bacteria from other
    stressors, we then asked whether cellular responses to antibiotics have a similar
    protective role in Chapter 2. Indeed, we found that the trimethoprim-induced acid
    stress response protects bacteria from subsequent acid stress. We combined microfluidics
    with time-lapse imaging to monitor survival, intracellular pH, and acid stress
    response in single cells. This approach revealed that the variable expression
    of the acid resistance operon gadBC strongly correlates with single-cell survival
    time. Cells with higher gadBC expression following trimethoprim maintain higher
    intracellular pH and survive the acid stress longer. Overall, we provide a way
    to identify single-cell cross-protection between antibiotics and environmental
    stressors from temporal gene expression data, and show how antibiotics can increase
    bacterial fitness in changing environments. While gene expression changes to antibiotics
    show a clear temporal structure at the population-level, it is unclear whether
    this clear temporal order is followed by every single cell. Using dual-reporter
    strains described in Chapter 3, we measured gene expression dynamics of promoter
    pairs in the same cells using microfluidics and microscopy. Chapter 4 shows that
    the oxidative stress response and the DNA stress response showed little timing
    variability and a clear temporal order under the antibiotic nitrofurantoin. In
    contrast, the acid stress response under trimethoprim ran independently from all
    other activated response programs including the DNA stress response, which showed
    particularly high timing variability in this stress condition. In summary, this
    approach provides insight into the temporal organization of gene expression programs
    at the single-cell level and suggests dependencies between response programs and
    the underlying variability-introducing mechanisms. Altogether, this work advances
    our understanding of the diverse effects that antibiotics have on bacteria. These
    results were obtained by taking into account gene expression dynamics, which allowed
    us to identify general principles, molecular mechanisms, and dependencies between
    genes. Our findings may have implications for infectious disease treatments, and
    microbial communities in the human body and in nature. '
acknowledgement: 'First of all, I would like to express great gratitude to my PhD
  supervisor Tobias Bollenbach. Through his open and trusting attitude I had the freedom
  to explore different scientific directions during this project, and follow the research
  lines of my interest. I am thankful for constructive and often extensive discussions
  and his support and commitment during the different stages of my PhD. I want to
  thank my committee members, Călin Guet, Terry Hwa and Nassos Typas for their interest
  and their valuable input to this project. Special thanks to Nassos for career guidance,
  and for accepting me in his lab. A big thank you goes to the past, present and affiliated
  members of the Bollenbach group: Guillaume Chevereau, Marjon de Vos, Marta Lukačišinová,
  Veronika Bierbaum, Qi Qin, Marcin Zagórski, Martin Lukačišin, Andreas Angermayr,
  Bor Kavčič, Julia Tischler, Dilay Ayhan, Jaroslav Ferenc, and Georg Rieckh. I enjoyed
  working and discussing with you very much and I will miss our lengthy group meetings,
  our inspiring journal clubs, and our common lunches. Special thanks to Bor for great
  mental and professional support during the hard months of thesis writing, and to
  Marta for very creative times during the beginning of our PhDs. May the ‘Bacterial
  Survival Guide’ decorate the walls of IST forever! A great thanks to my friend and
  collaborator Georg Rieckh for his enthusiasm and for getting so involved in these
  projects, for his endurance and for his company throughout the years. Thanks to
  the FriSBi crowd at IST Austria for interesting meetings and discussions. In particular
  I want to thank Magdalena Steinrück, and Anna Andersson for inspiring exchange,
  and enjoyable time together. Thanks to everybody who contributed to the cover for
  Cell Systems: The constructive input from Tobias Bollenbach, Bor Kavčič, Georg Rieckh,
  Marta Lukačišinová, and Sebastian Nozzi, and the professional implementation by
  the graphic designer Martina Markus from the University of Cologne. Thanks to all
  my office mates in the first floor Bertalanffy building throughout the years: for
  ensuring a pleasant working atmosphere, and for your company! In general, I want
  to thank all the people that make IST such a great environment, with the many possibilities
  to shape our own social and research environment. I want to thank my family for
  all kind of practical support during the years, and my second family in Argentina
  for their enthusiasm. Thanks to my brother Bernhard and my sister Martina for being
  great siblings, and to Helena and Valentin for the joy you brought to my life. My
  deep gratitude goes to Sebastian Nozzi, for constant support, patience, love and
  for believing in me. '
alternative_title:
- ISTA Thesis
article_processing_charge: No
author:
- first_name: Karin
  full_name: Mitosch, Karin
  id: 39B66846-F248-11E8-B48F-1D18A9856A87
  last_name: Mitosch
citation:
  ama: Mitosch K. Timing, variability and cross-protection in bacteria – insights
    from dynamic gene expression responses to antibiotics. 2017. doi:<a href="https://doi.org/10.15479/AT:ISTA:th_862">10.15479/AT:ISTA:th_862</a>
  apa: Mitosch, K. (2017). <i>Timing, variability and cross-protection in bacteria
    – insights from dynamic gene expression responses to antibiotics</i>. Institute
    of Science and Technology Austria. <a href="https://doi.org/10.15479/AT:ISTA:th_862">https://doi.org/10.15479/AT:ISTA:th_862</a>
  chicago: Mitosch, Karin. “Timing, Variability and Cross-Protection in Bacteria –
    Insights from Dynamic Gene Expression Responses to Antibiotics.” Institute of
    Science and Technology Austria, 2017. <a href="https://doi.org/10.15479/AT:ISTA:th_862">https://doi.org/10.15479/AT:ISTA:th_862</a>.
  ieee: K. Mitosch, “Timing, variability and cross-protection in bacteria – insights
    from dynamic gene expression responses to antibiotics,” Institute of Science and
    Technology Austria, 2017.
  ista: Mitosch K. 2017. Timing, variability and cross-protection in bacteria – insights
    from dynamic gene expression responses to antibiotics. Institute of Science and
    Technology Austria.
  mla: Mitosch, Karin. <i>Timing, Variability and Cross-Protection in Bacteria – Insights
    from Dynamic Gene Expression Responses to Antibiotics</i>. Institute of Science
    and Technology Austria, 2017, doi:<a href="https://doi.org/10.15479/AT:ISTA:th_862">10.15479/AT:ISTA:th_862</a>.
  short: K. Mitosch, Timing, Variability and Cross-Protection in Bacteria – Insights
    from Dynamic Gene Expression Responses to Antibiotics, Institute of Science and
    Technology Austria, 2017.
date_created: 2018-12-11T11:48:40Z
date_published: 2017-09-27T00:00:00Z
date_updated: 2023-09-07T12:00:26Z
day: '27'
ddc:
- '571'
- '579'
degree_awarded: PhD
department:
- _id: ToBo
doi: 10.15479/AT:ISTA:th_862
file:
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language:
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month: '09'
oa: 1
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page: '113'
publication_identifier:
  issn:
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publication_status: published
publisher: Institute of Science and Technology Austria
publist_id: '6831'
pubrep_id: '862'
related_material:
  record:
  - id: '2001'
    relation: part_of_dissertation
    status: public
  - id: '666'
    relation: part_of_dissertation
    status: public
status: public
supervisor:
- first_name: Mark Tobias
  full_name: Bollenbach, Mark Tobias
  id: 3E6DB97A-F248-11E8-B48F-1D18A9856A87
  last_name: Bollenbach
  orcid: 0000-0003-4398-476X
title: Timing, variability and cross-protection in bacteria – insights from dynamic
  gene expression responses to antibiotics
tmp:
  image: /images/cc_by.png
  legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
  name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
  short: CC BY (4.0)
type: dissertation
user_id: c635000d-4b10-11ee-a964-aac5a93f6ac1
year: '2017'
...
---
_id: '822'
abstract:
- lang: eng
  text: 'Polymicrobial infections constitute small ecosystems that accommodate several
    bacterial species. Commonly, these bacteria are investigated in isolation. However,
    it is unknown to what extent the isolates interact and whether their interactions
    alter bacterial growth and ecosystem resilience in the presence and absence of
    antibiotics. We quantified the complete ecological interaction network for 72
    bacterial isolates collected from 23 individuals diagnosed with polymicrobial
    urinary tract infections and found that most interactions cluster based on evolutionary
    relatedness. Statistical network analysis revealed that competitive and cooperative
    reciprocal interactions are enriched in the global network, while cooperative
    interactions are depleted in the individual host community networks. A population
    dynamics model parameterized by our measurements suggests that interactions restrict
    community stability, explaining the observed species diversity of these communities.
    We further show that the clinical isolates frequently protect each other from
    clinically relevant antibiotics. Together, these results highlight that ecological
    interactions are crucial for the growth and survival of bacteria in polymicrobial
    infection communities and affect their assembly and resilience. '
article_processing_charge: No
author:
- first_name: Marjon
  full_name: De Vos, Marjon
  id: 3111FFAC-F248-11E8-B48F-1D18A9856A87
  last_name: De Vos
- first_name: Marcin P
  full_name: Zagórski, Marcin P
  id: 343DA0DC-F248-11E8-B48F-1D18A9856A87
  last_name: Zagórski
  orcid: 0000-0001-7896-7762
- first_name: Alan
  full_name: Mcnally, Alan
  last_name: Mcnally
- first_name: Mark Tobias
  full_name: Bollenbach, Mark Tobias
  id: 3E6DB97A-F248-11E8-B48F-1D18A9856A87
  last_name: Bollenbach
  orcid: 0000-0003-4398-476X
citation:
  ama: de Vos M, Zagórski MP, Mcnally A, Bollenbach MT. Interaction networks, ecological
    stability, and collective antibiotic tolerance in polymicrobial infections. <i>PNAS</i>.
    2017;114(40):10666-10671. doi:<a href="https://doi.org/10.1073/pnas.1713372114">10.1073/pnas.1713372114</a>
  apa: de Vos, M., Zagórski, M. P., Mcnally, A., &#38; Bollenbach, M. T. (2017). Interaction
    networks, ecological stability, and collective antibiotic tolerance in polymicrobial
    infections. <i>PNAS</i>. National Academy of Sciences. <a href="https://doi.org/10.1073/pnas.1713372114">https://doi.org/10.1073/pnas.1713372114</a>
  chicago: Vos, Marjon de, Marcin P Zagórski, Alan Mcnally, and Mark Tobias Bollenbach.
    “Interaction Networks, Ecological Stability, and Collective Antibiotic Tolerance
    in Polymicrobial Infections.” <i>PNAS</i>. National Academy of Sciences, 2017.
    <a href="https://doi.org/10.1073/pnas.1713372114">https://doi.org/10.1073/pnas.1713372114</a>.
  ieee: M. de Vos, M. P. Zagórski, A. Mcnally, and M. T. Bollenbach, “Interaction
    networks, ecological stability, and collective antibiotic tolerance in polymicrobial
    infections,” <i>PNAS</i>, vol. 114, no. 40. National Academy of Sciences, pp.
    10666–10671, 2017.
  ista: de Vos M, Zagórski MP, Mcnally A, Bollenbach MT. 2017. Interaction networks,
    ecological stability, and collective antibiotic tolerance in polymicrobial infections.
    PNAS. 114(40), 10666–10671.
  mla: de Vos, Marjon, et al. “Interaction Networks, Ecological Stability, and Collective
    Antibiotic Tolerance in Polymicrobial Infections.” <i>PNAS</i>, vol. 114, no.
    40, National Academy of Sciences, 2017, pp. 10666–71, doi:<a href="https://doi.org/10.1073/pnas.1713372114">10.1073/pnas.1713372114</a>.
  short: M. de Vos, M.P. Zagórski, A. Mcnally, M.T. Bollenbach, PNAS 114 (2017) 10666–10671.
date_created: 2018-12-11T11:48:41Z
date_published: 2017-10-03T00:00:00Z
date_updated: 2023-09-26T16:18:48Z
day: '03'
department:
- _id: ToBo
doi: 10.1073/pnas.1713372114
ec_funded: 1
external_id:
  isi:
  - '000412130500061'
  pmid:
  - '28923953'
intvolume: '       114'
isi: 1
issue: '40'
language:
- iso: eng
main_file_link:
- open_access: '1'
  url: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5635929/
month: '10'
oa: 1
oa_version: Submitted Version
page: 10666 - 10671
pmid: 1
project:
- _id: 25E83C2C-B435-11E9-9278-68D0E5697425
  call_identifier: FP7
  grant_number: '303507'
  name: Optimality principles in responses to antibiotics
- _id: 25E9AF9E-B435-11E9-9278-68D0E5697425
  call_identifier: FWF
  grant_number: P27201-B22
  name: Revealing the mechanisms underlying drug interactions
publication: PNAS
publication_identifier:
  issn:
  - '00278424'
publication_status: published
publisher: National Academy of Sciences
publist_id: '6827'
quality_controlled: '1'
scopus_import: '1'
status: public
title: Interaction networks, ecological stability, and collective antibiotic tolerance
  in polymicrobial infections
type: journal_article
user_id: c635000d-4b10-11ee-a964-aac5a93f6ac1
volume: 114
year: '2017'
...
---
_id: '666'
abstract:
- lang: eng
  text: Antibiotics elicit drastic changes in microbial gene expression, including
    the induction of stress response genes. While certain stress responses are known
    to “cross-protect” bacteria from other stressors, it is unclear whether cellular
    responses to antibiotics have a similar protective role. By measuring the genome-wide
    transcriptional response dynamics of Escherichia coli to four antibiotics, we
    found that trimethoprim induces a rapid acid stress response that protects bacteria
    from subsequent exposure to acid. Combining microfluidics with time-lapse imaging
    to monitor survival and acid stress response in single cells revealed that the
    noisy expression of the acid resistance operon gadBC correlates with single-cell
    survival. Cells with higher gadBC expression following trimethoprim maintain higher
    intracellular pH and survive the acid stress longer. The seemingly random single-cell
    survival under acid stress can therefore be predicted from gadBC expression and
    rationalized in terms of GadB/C molecular function. Overall, we provide a roadmap
    for identifying the molecular mechanisms of single-cell cross-protection between
    antibiotics and other stressors.
article_processing_charge: Yes (in subscription journal)
author:
- first_name: Karin
  full_name: Mitosch, Karin
  id: 39B66846-F248-11E8-B48F-1D18A9856A87
  last_name: Mitosch
- first_name: Georg
  full_name: Rieckh, Georg
  id: 34DA8BD6-F248-11E8-B48F-1D18A9856A87
  last_name: Rieckh
- first_name: Tobias
  full_name: Bollenbach, Tobias
  id: 3E6DB97A-F248-11E8-B48F-1D18A9856A87
  last_name: Bollenbach
  orcid: 0000-0003-4398-476X
citation:
  ama: Mitosch K, Rieckh G, Bollenbach MT. Noisy response to antibiotic stress predicts
    subsequent single cell survival in an acidic environment. <i>Cell Systems</i>.
    2017;4(4):393-403. doi:<a href="https://doi.org/10.1016/j.cels.2017.03.001">10.1016/j.cels.2017.03.001</a>
  apa: Mitosch, K., Rieckh, G., &#38; Bollenbach, M. T. (2017). Noisy response to
    antibiotic stress predicts subsequent single cell survival in an acidic environment.
    <i>Cell Systems</i>. Cell Press. <a href="https://doi.org/10.1016/j.cels.2017.03.001">https://doi.org/10.1016/j.cels.2017.03.001</a>
  chicago: Mitosch, Karin, Georg Rieckh, and Mark Tobias Bollenbach. “Noisy Response
    to Antibiotic Stress Predicts Subsequent Single Cell Survival in an Acidic Environment.”
    <i>Cell Systems</i>. Cell Press, 2017. <a href="https://doi.org/10.1016/j.cels.2017.03.001">https://doi.org/10.1016/j.cels.2017.03.001</a>.
  ieee: K. Mitosch, G. Rieckh, and M. T. Bollenbach, “Noisy response to antibiotic
    stress predicts subsequent single cell survival in an acidic environment,” <i>Cell
    Systems</i>, vol. 4, no. 4. Cell Press, pp. 393–403, 2017.
  ista: Mitosch K, Rieckh G, Bollenbach MT. 2017. Noisy response to antibiotic stress
    predicts subsequent single cell survival in an acidic environment. Cell Systems.
    4(4), 393–403.
  mla: Mitosch, Karin, et al. “Noisy Response to Antibiotic Stress Predicts Subsequent
    Single Cell Survival in an Acidic Environment.” <i>Cell Systems</i>, vol. 4, no.
    4, Cell Press, 2017, pp. 393–403, doi:<a href="https://doi.org/10.1016/j.cels.2017.03.001">10.1016/j.cels.2017.03.001</a>.
  short: K. Mitosch, G. Rieckh, M.T. Bollenbach, Cell Systems 4 (2017) 393–403.
date_created: 2018-12-11T11:47:48Z
date_published: 2017-04-26T00:00:00Z
date_updated: 2023-09-07T12:00:25Z
day: '26'
ddc:
- '576'
- '610'
department:
- _id: ToBo
- _id: GaTk
doi: 10.1016/j.cels.2017.03.001
ec_funded: 1
file:
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has_accepted_license: '1'
intvolume: '         4'
issue: '4'
language:
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month: '04'
oa: 1
oa_version: Published Version
page: 393 - 403
project:
- _id: 25E83C2C-B435-11E9-9278-68D0E5697425
  call_identifier: FP7
  grant_number: '303507'
  name: Optimality principles in responses to antibiotics
- _id: 25E9AF9E-B435-11E9-9278-68D0E5697425
  call_identifier: FWF
  grant_number: P27201-B22
  name: Revealing the mechanisms underlying drug interactions
- _id: 25EB3A80-B435-11E9-9278-68D0E5697425
  grant_number: RGP0042/2013
  name: Revealing the fundamental limits of cell growth
publication: Cell Systems
publication_identifier:
  issn:
  - '24054712'
publication_status: published
publisher: Cell Press
publist_id: '7061'
pubrep_id: '901'
quality_controlled: '1'
related_material:
  record:
  - id: '818'
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    status: public
scopus_import: 1
status: public
title: Noisy response to antibiotic stress predicts subsequent single cell survival
  in an acidic environment
tmp:
  image: /images/cc_by_nc_nd.png
  legal_code_url: https://creativecommons.org/licenses/by-nc-nd/4.0/legalcode
  name: Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
    (CC BY-NC-ND 4.0)
  short: CC BY-NC-ND (4.0)
type: journal_article
user_id: 3E5EF7F0-F248-11E8-B48F-1D18A9856A87
volume: 4
year: '2017'
...
---
_id: '696'
abstract:
- lang: eng
  text: Mutator strains are expected to evolve when the availability and effect of
    beneficial mutations are high enough to counteract the disadvantage from deleterious
    mutations that will inevitably accumulate. As the population becomes more adapted
    to its environment, both availability and effect of beneficial mutations necessarily
    decrease and mutation rates are predicted to decrease. It has been shown that
    certain molecular mechanisms can lead to increased mutation rates when the organism
    finds itself in a stressful environment. While this may be a correlated response
    to other functions, it could also be an adaptive mechanism, raising mutation rates
    only when it is most advantageous. Here, we use a mathematical model to investigate
    the plausibility of the adaptive hypothesis. We show that such a mechanism can
    be mantained if the population is subjected to diverse stresses. By simulating
    various antibiotic treatment schemes, we find that combination treatments can
    reduce the effectiveness of second-order selection on stress-induced mutagenesis.
    We discuss the implications of our results to strategies of antibiotic therapy.
article_number: e1005609
article_type: original
author:
- first_name: Marta
  full_name: Lukacisinova, Marta
  id: 4342E402-F248-11E8-B48F-1D18A9856A87
  last_name: Lukacisinova
  orcid: 0000-0002-2519-8004
- first_name: Sebastian
  full_name: Novak, Sebastian
  id: 461468AE-F248-11E8-B48F-1D18A9856A87
  last_name: Novak
  orcid: 0000-0002-2519-824X
- first_name: Tiago
  full_name: Paixao, Tiago
  id: 2C5658E6-F248-11E8-B48F-1D18A9856A87
  last_name: Paixao
  orcid: 0000-0003-2361-3953
citation:
  ama: 'Lukacisinova M, Novak S, Paixao T. Stress induced mutagenesis: Stress diversity
    facilitates the persistence of mutator genes. <i>PLoS Computational Biology</i>.
    2017;13(7). doi:<a href="https://doi.org/10.1371/journal.pcbi.1005609">10.1371/journal.pcbi.1005609</a>'
  apa: 'Lukacisinova, M., Novak, S., &#38; Paixao, T. (2017). Stress induced mutagenesis:
    Stress diversity facilitates the persistence of mutator genes. <i>PLoS Computational
    Biology</i>. Public Library of Science. <a href="https://doi.org/10.1371/journal.pcbi.1005609">https://doi.org/10.1371/journal.pcbi.1005609</a>'
  chicago: 'Lukacisinova, Marta, Sebastian Novak, and Tiago Paixao. “Stress Induced
    Mutagenesis: Stress Diversity Facilitates the Persistence of Mutator Genes.” <i>PLoS
    Computational Biology</i>. Public Library of Science, 2017. <a href="https://doi.org/10.1371/journal.pcbi.1005609">https://doi.org/10.1371/journal.pcbi.1005609</a>.'
  ieee: 'M. Lukacisinova, S. Novak, and T. Paixao, “Stress induced mutagenesis: Stress
    diversity facilitates the persistence of mutator genes,” <i>PLoS Computational
    Biology</i>, vol. 13, no. 7. Public Library of Science, 2017.'
  ista: 'Lukacisinova M, Novak S, Paixao T. 2017. Stress induced mutagenesis: Stress
    diversity facilitates the persistence of mutator genes. PLoS Computational Biology.
    13(7), e1005609.'
  mla: 'Lukacisinova, Marta, et al. “Stress Induced Mutagenesis: Stress Diversity
    Facilitates the Persistence of Mutator Genes.” <i>PLoS Computational Biology</i>,
    vol. 13, no. 7, e1005609, Public Library of Science, 2017, doi:<a href="https://doi.org/10.1371/journal.pcbi.1005609">10.1371/journal.pcbi.1005609</a>.'
  short: M. Lukacisinova, S. Novak, T. Paixao, PLoS Computational Biology 13 (2017).
date_created: 2018-12-11T11:47:58Z
date_published: 2017-07-18T00:00:00Z
date_updated: 2024-03-25T23:30:14Z
day: '18'
ddc:
- '576'
department:
- _id: ToBo
- _id: NiBa
- _id: CaGu
doi: 10.1371/journal.pcbi.1005609
ec_funded: 1
file:
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  creator: system
  date_created: 2018-12-12T10:15:01Z
  date_updated: 2020-07-14T12:47:46Z
  file_id: '5117'
  file_name: IST-2017-894-v1+1_journal.pcbi.1005609.pdf
  file_size: 3775716
  relation: main_file
file_date_updated: 2020-07-14T12:47:46Z
has_accepted_license: '1'
intvolume: '        13'
issue: '7'
language:
- iso: eng
month: '07'
oa: 1
oa_version: Published Version
project:
- _id: 25B1EC9E-B435-11E9-9278-68D0E5697425
  call_identifier: FP7
  grant_number: '618091'
  name: Speed of Adaptation in Population Genetics and Evolutionary Computation
publication: PLoS Computational Biology
publication_identifier:
  issn:
  - 1553734X
publication_status: published
publisher: Public Library of Science
publist_id: '7004'
pubrep_id: '894'
quality_controlled: '1'
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status: public
title: 'Stress induced mutagenesis: Stress diversity facilitates the persistence of
  mutator genes'
tmp:
  image: /images/cc_by.png
  legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
  name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
  short: CC BY (4.0)
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 13
year: '2017'
...
---
_id: '520'
abstract:
- lang: eng
  text: Cyanobacteria are mostly engineered to be sustainable cell-factories by genetic
    manipulations alone. Here, by modulating the concentration of allosteric effectors,
    we focus on increasing product formation without further burdening the cells with
    increased expression of enzymes. Resorting to a novel 96-well microplate cultivation
    system for cyanobacteria, and using lactate-producing strains of Synechocystis
    PCC6803 expressing different l-lactate dehydrogenases (LDH), we titrated the effect
    of 2,5-anhydro-mannitol supplementation. The latter acts in cells as a nonmetabolizable
    analogue of fructose 1,6-bisphosphate, a known allosteric regulator of one of
    the tested LDHs. In this strain (SAA023), we achieved over 2-fold increase of
    lactate productivity. Furthermore, we observed that as carbon is increasingly
    deviated during growth toward product formation, there is an increased fixation
    rate in the population of spontaneous mutants harboring an impaired production
    pathway. This is a challenge in the development of green cell factories, which
    may be countered by the incorporation in biotechnological processes of strategies
    such as the one pioneered here.
article_type: letter_note
author:
- first_name: Wei
  full_name: Du, Wei
  last_name: Du
- first_name: Andreas
  full_name: Angermayr, Andreas
  id: 4677C796-F248-11E8-B48F-1D18A9856A87
  last_name: Angermayr
  orcid: 0000-0001-8619-2223
- first_name: Joeri
  full_name: Jongbloets, Joeri
  last_name: Jongbloets
- first_name: Douwe
  full_name: Molenaar, Douwe
  last_name: Molenaar
- first_name: Herwig
  full_name: Bachmann, Herwig
  last_name: Bachmann
- first_name: Klaas
  full_name: Hellingwerf, Klaas
  last_name: Hellingwerf
- first_name: Filipe
  full_name: Branco Dos Santos, Filipe
  last_name: Branco Dos Santos
citation:
  ama: Du W, Angermayr A, Jongbloets J, et al. Nonhierarchical flux regulation exposes
    the fitness burden associated with lactate production in Synechocystis sp. PCC6803.
    <i>ACS Synthetic Biology</i>. 2017;6(3):395-401. doi:<a href="https://doi.org/10.1021/acssynbio.6b00235">10.1021/acssynbio.6b00235</a>
  apa: Du, W., Angermayr, A., Jongbloets, J., Molenaar, D., Bachmann, H., Hellingwerf,
    K., &#38; Branco Dos Santos, F. (2017). Nonhierarchical flux regulation exposes
    the fitness burden associated with lactate production in Synechocystis sp. PCC6803.
    <i>ACS Synthetic Biology</i>. American Chemical Society. <a href="https://doi.org/10.1021/acssynbio.6b00235">https://doi.org/10.1021/acssynbio.6b00235</a>
  chicago: Du, Wei, Andreas Angermayr, Joeri Jongbloets, Douwe Molenaar, Herwig Bachmann,
    Klaas Hellingwerf, and Filipe Branco Dos Santos. “Nonhierarchical Flux Regulation
    Exposes the Fitness Burden Associated with Lactate Production in Synechocystis
    Sp. PCC6803.” <i>ACS Synthetic Biology</i>. American Chemical Society, 2017. <a
    href="https://doi.org/10.1021/acssynbio.6b00235">https://doi.org/10.1021/acssynbio.6b00235</a>.
  ieee: W. Du <i>et al.</i>, “Nonhierarchical flux regulation exposes the fitness
    burden associated with lactate production in Synechocystis sp. PCC6803,” <i>ACS
    Synthetic Biology</i>, vol. 6, no. 3. American Chemical Society, pp. 395–401,
    2017.
  ista: Du W, Angermayr A, Jongbloets J, Molenaar D, Bachmann H, Hellingwerf K, Branco
    Dos Santos F. 2017. Nonhierarchical flux regulation exposes the fitness burden
    associated with lactate production in Synechocystis sp. PCC6803. ACS Synthetic
    Biology. 6(3), 395–401.
  mla: Du, Wei, et al. “Nonhierarchical Flux Regulation Exposes the Fitness Burden
    Associated with Lactate Production in Synechocystis Sp. PCC6803.” <i>ACS Synthetic
    Biology</i>, vol. 6, no. 3, American Chemical Society, 2017, pp. 395–401, doi:<a
    href="https://doi.org/10.1021/acssynbio.6b00235">10.1021/acssynbio.6b00235</a>.
  short: W. Du, A. Angermayr, J. Jongbloets, D. Molenaar, H. Bachmann, K. Hellingwerf,
    F. Branco Dos Santos, ACS Synthetic Biology 6 (2017) 395–401.
date_created: 2018-12-11T11:46:56Z
date_published: 2017-03-17T00:00:00Z
date_updated: 2021-01-12T08:01:21Z
day: '17'
department:
- _id: ToBo
doi: 10.1021/acssynbio.6b00235
external_id:
  pmid:
  - '27936615'
intvolume: '         6'
issue: '3'
language:
- iso: eng
month: '03'
oa_version: None
page: 395 - 401
pmid: 1
publication: ACS Synthetic Biology
publication_identifier:
  issn:
  - '21615063'
publication_status: published
publisher: American Chemical Society
publist_id: '7298'
quality_controlled: '1'
scopus_import: 1
status: public
title: Nonhierarchical flux regulation exposes the fitness burden associated with
  lactate production in Synechocystis sp. PCC6803
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 6
year: '2017'
...
---
_id: '5563'
abstract:
- lang: eng
  text: "MATLAB code and processed datasets available for reproducing the results
    in: \r\nLukačišin, M.*, Landon, M.*, Jajoo, R*. (2016) Sequence-Specific Thermodynamic
    Properties of Nucleic Acids Influence Both Transcriptional Pausing and Backtracking
    in Yeast.\r\n*equal contributions"
article_processing_charge: No
author:
- first_name: Martin
  full_name: Lukacisin, Martin
  id: 298FFE8C-F248-11E8-B48F-1D18A9856A87
  last_name: Lukacisin
  orcid: 0000-0001-6549-4177
citation:
  ama: Lukacisin M. MATLAB analysis code for “Sequence-Specific Thermodynamic Properties
    of Nucleic Acids Influence Both Transcriptional Pausing and Backtracking in Yeast.”
    2017. doi:<a href="https://doi.org/10.15479/AT:ISTA:64">10.15479/AT:ISTA:64</a>
  apa: Lukacisin, M. (2017). MATLAB analysis code for “Sequence-Specific Thermodynamic
    Properties of Nucleic Acids Influence Both Transcriptional Pausing and Backtracking
    in Yeast.” Institute of Science and Technology Austria. <a href="https://doi.org/10.15479/AT:ISTA:64">https://doi.org/10.15479/AT:ISTA:64</a>
  chicago: Lukacisin, Martin. “MATLAB Analysis Code for ‘Sequence-Specific Thermodynamic
    Properties of Nucleic Acids Influence Both Transcriptional Pausing and Backtracking
    in Yeast.’” Institute of Science and Technology Austria, 2017. <a href="https://doi.org/10.15479/AT:ISTA:64">https://doi.org/10.15479/AT:ISTA:64</a>.
  ieee: M. Lukacisin, “MATLAB analysis code for ‘Sequence-Specific Thermodynamic Properties
    of Nucleic Acids Influence Both Transcriptional Pausing and Backtracking in Yeast.’”
    Institute of Science and Technology Austria, 2017.
  ista: Lukacisin M. 2017. MATLAB analysis code for ‘Sequence-Specific Thermodynamic
    Properties of Nucleic Acids Influence Both Transcriptional Pausing and Backtracking
    in Yeast’, Institute of Science and Technology Austria, <a href="https://doi.org/10.15479/AT:ISTA:64">10.15479/AT:ISTA:64</a>.
  mla: Lukacisin, Martin. <i>MATLAB Analysis Code for “Sequence-Specific Thermodynamic
    Properties of Nucleic Acids Influence Both Transcriptional Pausing and Backtracking
    in Yeast.”</i> Institute of Science and Technology Austria, 2017, doi:<a href="https://doi.org/10.15479/AT:ISTA:64">10.15479/AT:ISTA:64</a>.
  short: M. Lukacisin, (2017).
datarep_id: '64'
date_created: 2018-12-12T12:31:33Z
date_published: 2017-03-20T00:00:00Z
date_updated: 2024-02-21T13:46:47Z
day: '20'
ddc:
- '571'
department:
- _id: ToBo
doi: 10.15479/AT:ISTA:64
file:
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  date_created: 2018-12-12T13:02:37Z
  date_updated: 2020-07-14T12:47:03Z
  file_id: '5602'
  file_name: IST-2016-45-v1+1_PaperCode.zip
  file_size: 296722548
  relation: main_file
file_date_updated: 2020-07-14T12:47:03Z
has_accepted_license: '1'
license: https://creativecommons.org/licenses/by-sa/4.0/
month: '03'
oa: 1
oa_version: Published Version
publisher: Institute of Science and Technology Austria
status: public
title: MATLAB analysis code for 'Sequence-Specific Thermodynamic Properties of Nucleic
  Acids Influence Both Transcriptional Pausing and Backtracking in Yeast'
tmp:
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    BY-SA 4.0)
  short: CC BY-SA (4.0)
type: research_data
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
year: '2017'
...
---
_id: '1027'
abstract:
- lang: eng
  text: The rising prevalence of antibiotic resistant bacteria is an increasingly
    serious public health challenge. To address this problem, recent work ranging
    from clinical studies to theoretical modeling has provided valuable insights into
    the mechanisms of resistance, its emergence and spread, and ways to counteract
    it. A deeper understanding of the underlying dynamics of resistance evolution
    will require a combination of experimental and theoretical expertise from different
    disciplines and new technology for studying evolution in the laboratory. Here,
    we review recent advances in the quantitative understanding of the mechanisms
    and evolution of antibiotic resistance. We focus on key theoretical concepts and
    new technology that enables well-controlled experiments. We further highlight
    key challenges that can be met in the near future to ultimately develop effective
    strategies for combating resistance.
article_processing_charge: Yes (in subscription journal)
article_type: original
author:
- first_name: Marta
  full_name: Lukacisinova, Marta
  id: 4342E402-F248-11E8-B48F-1D18A9856A87
  last_name: Lukacisinova
  orcid: 0000-0002-2519-8004
- first_name: Mark Tobias
  full_name: Bollenbach, Mark Tobias
  id: 3E6DB97A-F248-11E8-B48F-1D18A9856A87
  last_name: Bollenbach
  orcid: 0000-0003-4398-476X
citation:
  ama: Lukacisinova M, Bollenbach MT. Toward a quantitative understanding of antibiotic
    resistance evolution. <i>Current Opinion in Biotechnology</i>. 2017;46:90-97.
    doi:<a href="https://doi.org/10.1016/j.copbio.2017.02.013">10.1016/j.copbio.2017.02.013</a>
  apa: Lukacisinova, M., &#38; Bollenbach, M. T. (2017). Toward a quantitative understanding
    of antibiotic resistance evolution. <i>Current Opinion in Biotechnology</i>. Elsevier.
    <a href="https://doi.org/10.1016/j.copbio.2017.02.013">https://doi.org/10.1016/j.copbio.2017.02.013</a>
  chicago: Lukacisinova, Marta, and Mark Tobias Bollenbach. “Toward a Quantitative
    Understanding of Antibiotic Resistance Evolution.” <i>Current Opinion in Biotechnology</i>.
    Elsevier, 2017. <a href="https://doi.org/10.1016/j.copbio.2017.02.013">https://doi.org/10.1016/j.copbio.2017.02.013</a>.
  ieee: M. Lukacisinova and M. T. Bollenbach, “Toward a quantitative understanding
    of antibiotic resistance evolution,” <i>Current Opinion in Biotechnology</i>,
    vol. 46. Elsevier, pp. 90–97, 2017.
  ista: Lukacisinova M, Bollenbach MT. 2017. Toward a quantitative understanding of
    antibiotic resistance evolution. Current Opinion in Biotechnology. 46, 90–97.
  mla: Lukacisinova, Marta, and Mark Tobias Bollenbach. “Toward a Quantitative Understanding
    of Antibiotic Resistance Evolution.” <i>Current Opinion in Biotechnology</i>,
    vol. 46, Elsevier, 2017, pp. 90–97, doi:<a href="https://doi.org/10.1016/j.copbio.2017.02.013">10.1016/j.copbio.2017.02.013</a>.
  short: M. Lukacisinova, M.T. Bollenbach, Current Opinion in Biotechnology 46 (2017)
    90–97.
date_created: 2018-12-11T11:49:45Z
date_published: 2017-08-01T00:00:00Z
date_updated: 2024-03-25T23:30:15Z
day: '01'
ddc:
- '570'
department:
- _id: ToBo
doi: 10.1016/j.copbio.2017.02.013
ec_funded: 1
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month: '08'
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oa_version: Published Version
page: 90 - 97
project:
- _id: 25E9AF9E-B435-11E9-9278-68D0E5697425
  call_identifier: FWF
  grant_number: P27201-B22
  name: Revealing the mechanisms underlying drug interactions
- _id: 25E83C2C-B435-11E9-9278-68D0E5697425
  call_identifier: FP7
  grant_number: '303507'
  name: Optimality principles in responses to antibiotics
- _id: 25EB3A80-B435-11E9-9278-68D0E5697425
  grant_number: RGP0042/2013
  name: Revealing the fundamental limits of cell growth
publication: Current Opinion in Biotechnology
publication_status: published
publisher: Elsevier
publist_id: '6364'
pubrep_id: '801'
quality_controlled: '1'
related_material:
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    status: public
scopus_import: '1'
status: public
title: Toward a quantitative understanding of antibiotic resistance evolution
tmp:
  image: /images/cc_by_nc_nd.png
  legal_code_url: https://creativecommons.org/licenses/by-nc-nd/4.0/legalcode
  name: Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
    (CC BY-NC-ND 4.0)
  short: CC BY-NC-ND (4.0)
type: journal_article
user_id: c635000d-4b10-11ee-a964-aac5a93f6ac1
volume: 46
year: '2017'
...
---
_id: '1029'
abstract:
- lang: eng
  text: RNA Polymerase II pauses and backtracks during transcription, with many consequences
    for gene expression and cellular physiology. Here, we show that the energy required
    to melt double-stranded nucleic acids in the transcription bubble predicts pausing
    in Saccharomyces cerevisiae far more accurately than nucleosome roadblocks do.
    In addition, the same energy difference also determines when the RNA polymerase
    backtracks instead of continuing to move forward. This data-driven model corroborates—in
    a genome wide and quantitative manner—previous evidence that sequence-dependent
    thermodynamic features of nucleic acids influence both transcriptional pausing
    and backtracking.
article_number: e0174066
article_processing_charge: Yes
author:
- first_name: Martin
  full_name: Lukacisin, Martin
  id: 298FFE8C-F248-11E8-B48F-1D18A9856A87
  last_name: Lukacisin
  orcid: 0000-0001-6549-4177
- first_name: Matthieu
  full_name: Landon, Matthieu
  last_name: Landon
- first_name: Rishi
  full_name: Jajoo, Rishi
  last_name: Jajoo
citation:
  ama: Lukacisin M, Landon M, Jajoo R. Sequence-specific thermodynamic properties
    of nucleic acids influence both transcriptional pausing and backtracking in yeast.
    <i>PLoS One</i>. 2017;12(3). doi:<a href="https://doi.org/10.1371/journal.pone.0174066">10.1371/journal.pone.0174066</a>
  apa: Lukacisin, M., Landon, M., &#38; Jajoo, R. (2017). Sequence-specific thermodynamic
    properties of nucleic acids influence both transcriptional pausing and backtracking
    in yeast. <i>PLoS One</i>. Public Library of Science. <a href="https://doi.org/10.1371/journal.pone.0174066">https://doi.org/10.1371/journal.pone.0174066</a>
  chicago: Lukacisin, Martin, Matthieu Landon, and Rishi Jajoo. “Sequence-Specific
    Thermodynamic Properties of Nucleic Acids Influence Both Transcriptional Pausing
    and Backtracking in Yeast.” <i>PLoS One</i>. Public Library of Science, 2017.
    <a href="https://doi.org/10.1371/journal.pone.0174066">https://doi.org/10.1371/journal.pone.0174066</a>.
  ieee: M. Lukacisin, M. Landon, and R. Jajoo, “Sequence-specific thermodynamic properties
    of nucleic acids influence both transcriptional pausing and backtracking in yeast,”
    <i>PLoS One</i>, vol. 12, no. 3. Public Library of Science, 2017.
  ista: Lukacisin M, Landon M, Jajoo R. 2017. Sequence-specific thermodynamic properties
    of nucleic acids influence both transcriptional pausing and backtracking in yeast.
    PLoS One. 12(3), e0174066.
  mla: Lukacisin, Martin, et al. “Sequence-Specific Thermodynamic Properties of Nucleic
    Acids Influence Both Transcriptional Pausing and Backtracking in Yeast.” <i>PLoS
    One</i>, vol. 12, no. 3, e0174066, Public Library of Science, 2017, doi:<a href="https://doi.org/10.1371/journal.pone.0174066">10.1371/journal.pone.0174066</a>.
  short: M. Lukacisin, M. Landon, R. Jajoo, PLoS One 12 (2017).
date_created: 2018-12-11T11:49:46Z
date_published: 2017-03-16T00:00:00Z
date_updated: 2024-03-25T23:30:03Z
day: '16'
ddc:
- '570'
department:
- _id: ToBo
doi: 10.1371/journal.pone.0174066
external_id:
  isi:
  - '000396318300121'
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intvolume: '        12'
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language:
- iso: eng
month: '03'
oa: 1
oa_version: Published Version
publication: PLoS One
publication_identifier:
  issn:
  - '19326203'
publication_status: published
publisher: Public Library of Science
publist_id: '6361'
pubrep_id: '800'
quality_controlled: '1'
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    status: public
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    status: public
scopus_import: '1'
status: public
title: Sequence-specific thermodynamic properties of nucleic acids influence both
  transcriptional pausing and backtracking in yeast
tmp:
  image: /images/cc_by.png
  legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
  name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
  short: CC BY (4.0)
type: journal_article
user_id: c635000d-4b10-11ee-a964-aac5a93f6ac1
volume: 12
year: '2017'
...
---
_id: '9849'
abstract:
- lang: eng
  text: This text provides additional information about the model, a derivation of
    the analytic results in Eq (4), and details about simulations of an additional
    parameter set.
article_processing_charge: No
author:
- first_name: Marta
  full_name: Lukacisinova, Marta
  id: 4342E402-F248-11E8-B48F-1D18A9856A87
  last_name: Lukacisinova
  orcid: 0000-0002-2519-8004
- first_name: Sebastian
  full_name: Novak, Sebastian
  id: 461468AE-F248-11E8-B48F-1D18A9856A87
  last_name: Novak
- first_name: Tiago
  full_name: Paixao, Tiago
  id: 2C5658E6-F248-11E8-B48F-1D18A9856A87
  last_name: Paixao
  orcid: 0000-0003-2361-3953
citation:
  ama: Lukacisinova M, Novak S, Paixao T. Modelling and simulation details. 2017.
    doi:<a href="https://doi.org/10.1371/journal.pcbi.1005609.s001">10.1371/journal.pcbi.1005609.s001</a>
  apa: Lukacisinova, M., Novak, S., &#38; Paixao, T. (2017). Modelling and simulation
    details. Public Library of Science. <a href="https://doi.org/10.1371/journal.pcbi.1005609.s001">https://doi.org/10.1371/journal.pcbi.1005609.s001</a>
  chicago: Lukacisinova, Marta, Sebastian Novak, and Tiago Paixao. “Modelling and
    Simulation Details.” Public Library of Science, 2017. <a href="https://doi.org/10.1371/journal.pcbi.1005609.s001">https://doi.org/10.1371/journal.pcbi.1005609.s001</a>.
  ieee: M. Lukacisinova, S. Novak, and T. Paixao, “Modelling and simulation details.”
    Public Library of Science, 2017.
  ista: Lukacisinova M, Novak S, Paixao T. 2017. Modelling and simulation details,
    Public Library of Science, <a href="https://doi.org/10.1371/journal.pcbi.1005609.s001">10.1371/journal.pcbi.1005609.s001</a>.
  mla: Lukacisinova, Marta, et al. <i>Modelling and Simulation Details</i>. Public
    Library of Science, 2017, doi:<a href="https://doi.org/10.1371/journal.pcbi.1005609.s001">10.1371/journal.pcbi.1005609.s001</a>.
  short: M. Lukacisinova, S. Novak, T. Paixao, (2017).
date_created: 2021-08-09T14:02:34Z
date_published: 2017-07-18T00:00:00Z
date_updated: 2023-02-23T12:55:39Z
day: '18'
department:
- _id: ToBo
- _id: NiBa
- _id: CaGu
doi: 10.1371/journal.pcbi.1005609.s001
month: '07'
oa_version: Published Version
publisher: Public Library of Science
related_material:
  record:
  - id: '696'
    relation: used_in_publication
    status: public
status: public
title: Modelling and simulation details
type: research_data_reference
user_id: 6785fbc1-c503-11eb-8a32-93094b40e1cf
year: '2017'
...
---
_id: '9850'
abstract:
- lang: eng
  text: In this text, we discuss how a cost of resistance and the possibility of lethal
    mutations impact our model.
article_processing_charge: No
author:
- first_name: Marta
  full_name: Lukacisinova, Marta
  id: 4342E402-F248-11E8-B48F-1D18A9856A87
  last_name: Lukacisinova
  orcid: 0000-0002-2519-8004
- first_name: Sebastian
  full_name: Novak, Sebastian
  id: 461468AE-F248-11E8-B48F-1D18A9856A87
  last_name: Novak
- first_name: Tiago
  full_name: Paixao, Tiago
  id: 2C5658E6-F248-11E8-B48F-1D18A9856A87
  last_name: Paixao
  orcid: 0000-0003-2361-3953
citation:
  ama: Lukacisinova M, Novak S, Paixao T. Extensions of the model. 2017. doi:<a href="https://doi.org/10.1371/journal.pcbi.1005609.s002">10.1371/journal.pcbi.1005609.s002</a>
  apa: Lukacisinova, M., Novak, S., &#38; Paixao, T. (2017). Extensions of the model.
    Public Library of Science. <a href="https://doi.org/10.1371/journal.pcbi.1005609.s002">https://doi.org/10.1371/journal.pcbi.1005609.s002</a>
  chicago: Lukacisinova, Marta, Sebastian Novak, and Tiago Paixao. “Extensions of
    the Model.” Public Library of Science, 2017. <a href="https://doi.org/10.1371/journal.pcbi.1005609.s002">https://doi.org/10.1371/journal.pcbi.1005609.s002</a>.
  ieee: M. Lukacisinova, S. Novak, and T. Paixao, “Extensions of the model.” Public
    Library of Science, 2017.
  ista: Lukacisinova M, Novak S, Paixao T. 2017. Extensions of the model, Public Library
    of Science, <a href="https://doi.org/10.1371/journal.pcbi.1005609.s002">10.1371/journal.pcbi.1005609.s002</a>.
  mla: Lukacisinova, Marta, et al. <i>Extensions of the Model</i>. Public Library
    of Science, 2017, doi:<a href="https://doi.org/10.1371/journal.pcbi.1005609.s002">10.1371/journal.pcbi.1005609.s002</a>.
  short: M. Lukacisinova, S. Novak, T. Paixao, (2017).
date_created: 2021-08-09T14:05:24Z
date_published: 2017-07-18T00:00:00Z
date_updated: 2023-02-23T12:55:39Z
day: '18'
department:
- _id: ToBo
- _id: CaGu
- _id: NiBa
doi: 10.1371/journal.pcbi.1005609.s002
month: '07'
oa_version: Published Version
publisher: Public Library of Science
related_material:
  record:
  - id: '696'
    relation: used_in_publication
    status: public
status: public
title: Extensions of the model
type: research_data_reference
user_id: 6785fbc1-c503-11eb-8a32-93094b40e1cf
year: '2017'
...
---
_id: '9851'
abstract:
- lang: eng
  text: Based on the intuitive derivation of the dynamics of SIM allele frequency
    pM in the main text, we present a heuristic prediction for the long-term SIM allele
    frequencies with χ > 1 stresses and compare it to numerical simulations.
article_processing_charge: No
author:
- first_name: Marta
  full_name: Lukacisinova, Marta
  id: 4342E402-F248-11E8-B48F-1D18A9856A87
  last_name: Lukacisinova
  orcid: 0000-0002-2519-8004
- first_name: Sebastian
  full_name: Novak, Sebastian
  id: 461468AE-F248-11E8-B48F-1D18A9856A87
  last_name: Novak
- first_name: Tiago
  full_name: Paixao, Tiago
  id: 2C5658E6-F248-11E8-B48F-1D18A9856A87
  last_name: Paixao
  orcid: 0000-0003-2361-3953
citation:
  ama: Lukacisinova M, Novak S, Paixao T. Heuristic prediction for multiple stresses.
    2017. doi:<a href="https://doi.org/10.1371/journal.pcbi.1005609.s003">10.1371/journal.pcbi.1005609.s003</a>
  apa: Lukacisinova, M., Novak, S., &#38; Paixao, T. (2017). Heuristic prediction
    for multiple stresses. Public Library of Science. <a href="https://doi.org/10.1371/journal.pcbi.1005609.s003">https://doi.org/10.1371/journal.pcbi.1005609.s003</a>
  chicago: Lukacisinova, Marta, Sebastian Novak, and Tiago Paixao. “Heuristic Prediction
    for Multiple Stresses.” Public Library of Science, 2017. <a href="https://doi.org/10.1371/journal.pcbi.1005609.s003">https://doi.org/10.1371/journal.pcbi.1005609.s003</a>.
  ieee: M. Lukacisinova, S. Novak, and T. Paixao, “Heuristic prediction for multiple
    stresses.” Public Library of Science, 2017.
  ista: Lukacisinova M, Novak S, Paixao T. 2017. Heuristic prediction for multiple
    stresses, Public Library of Science, <a href="https://doi.org/10.1371/journal.pcbi.1005609.s003">10.1371/journal.pcbi.1005609.s003</a>.
  mla: Lukacisinova, Marta, et al. <i>Heuristic Prediction for Multiple Stresses</i>.
    Public Library of Science, 2017, doi:<a href="https://doi.org/10.1371/journal.pcbi.1005609.s003">10.1371/journal.pcbi.1005609.s003</a>.
  short: M. Lukacisinova, S. Novak, T. Paixao, (2017).
date_created: 2021-08-09T14:08:14Z
date_published: 2017-07-18T00:00:00Z
date_updated: 2023-02-23T12:55:39Z
day: '18'
department:
- _id: ToBo
- _id: CaGu
- _id: NiBa
doi: 10.1371/journal.pcbi.1005609.s003
month: '07'
oa_version: Published Version
publisher: Public Library of Science
related_material:
  record:
  - id: '696'
    relation: used_in_publication
    status: public
status: public
title: Heuristic prediction for multiple stresses
type: research_data_reference
user_id: 6785fbc1-c503-11eb-8a32-93094b40e1cf
year: '2017'
...
---
_id: '9852'
abstract:
- lang: eng
  text: We show how different combination strategies affect the fraction of individuals
    that are multi-resistant.
article_processing_charge: No
author:
- first_name: Marta
  full_name: Lukacisinova, Marta
  id: 4342E402-F248-11E8-B48F-1D18A9856A87
  last_name: Lukacisinova
  orcid: 0000-0002-2519-8004
- first_name: Sebastian
  full_name: Novak, Sebastian
  id: 461468AE-F248-11E8-B48F-1D18A9856A87
  last_name: Novak
- first_name: Tiago
  full_name: Paixao, Tiago
  id: 2C5658E6-F248-11E8-B48F-1D18A9856A87
  last_name: Paixao
  orcid: 0000-0003-2361-3953
citation:
  ama: Lukacisinova M, Novak S, Paixao T. Resistance frequencies for different combination
    strategies. 2017. doi:<a href="https://doi.org/10.1371/journal.pcbi.1005609.s004">10.1371/journal.pcbi.1005609.s004</a>
  apa: Lukacisinova, M., Novak, S., &#38; Paixao, T. (2017). Resistance frequencies
    for different combination strategies. Public Library of Science. <a href="https://doi.org/10.1371/journal.pcbi.1005609.s004">https://doi.org/10.1371/journal.pcbi.1005609.s004</a>
  chicago: Lukacisinova, Marta, Sebastian Novak, and Tiago Paixao. “Resistance Frequencies
    for Different Combination Strategies.” Public Library of Science, 2017. <a href="https://doi.org/10.1371/journal.pcbi.1005609.s004">https://doi.org/10.1371/journal.pcbi.1005609.s004</a>.
  ieee: M. Lukacisinova, S. Novak, and T. Paixao, “Resistance frequencies for different
    combination strategies.” Public Library of Science, 2017.
  ista: Lukacisinova M, Novak S, Paixao T. 2017. Resistance frequencies for different
    combination strategies, Public Library of Science, <a href="https://doi.org/10.1371/journal.pcbi.1005609.s004">10.1371/journal.pcbi.1005609.s004</a>.
  mla: Lukacisinova, Marta, et al. <i>Resistance Frequencies for Different Combination
    Strategies</i>. Public Library of Science, 2017, doi:<a href="https://doi.org/10.1371/journal.pcbi.1005609.s004">10.1371/journal.pcbi.1005609.s004</a>.
  short: M. Lukacisinova, S. Novak, T. Paixao, (2017).
date_created: 2021-08-09T14:11:40Z
date_published: 2017-07-18T00:00:00Z
date_updated: 2023-02-23T12:55:39Z
day: '18'
department:
- _id: ToBo
- _id: CaGu
- _id: NiBa
doi: 10.1371/journal.pcbi.1005609.s004
month: '07'
oa_version: Published Version
publisher: Public Library of Science
related_material:
  record:
  - id: '696'
    relation: used_in_publication
    status: public
status: public
title: Resistance frequencies for different combination strategies
type: research_data_reference
user_id: 6785fbc1-c503-11eb-8a32-93094b40e1cf
year: '2017'
...
---
_id: '1154'
abstract:
- lang: eng
  text: "Cellular locomotion is a central hallmark of eukaryotic life. It is governed
    by cell-extrinsic molecular factors, which can either emerge in the soluble phase
    or as immobilized, often adhesive ligands. To encode for direction, every cue
    must be present as a spatial or temporal gradient. Here, we developed a microfluidic
    chamber that allows measurement of cell migration in combined response to surface
    immobilized and soluble molecular gradients. As a proof of principle we study
    the response of dendritic cells to their major guidance cues, chemokines. The
    majority of data on chemokine gradient sensing is based on in vitro studies employing
    soluble gradients. Despite evidence suggesting that in vivo chemokines are often
    immobilized to sugar residues, limited information is available how cells respond
    to immobilized chemokines. We tracked migration of dendritic cells towards immobilized
    gradients of the chemokine CCL21 and varying superimposed soluble gradients of
    CCL19. Differential migratory patterns illustrate the potential of our setup to
    quantitatively study the competitive response to both types of gradients. Beyond
    chemokines our approach is broadly applicable to alternative systems of chemo-
    and haptotaxis such as cells migrating along gradients of adhesion receptor ligands
    vs. any soluble cue. \r\n"
acknowledgement: 'This work was supported by the Swiss National Science Foundation
  (Ambizione fellowship; PZ00P3-154733 to M.M.), the Swiss Multiple Sclerosis Society
  (research support to M.M.), a fellowship from the Boehringer Ingelheim Fonds (BIF)
  to J.S., the European Research Council (grant ERC GA 281556) and a START award from
  the Austrian Science Foundation (FWF) to M.S. #BioimagingFacility'
article_number: '36440'
author:
- first_name: Jan
  full_name: Schwarz, Jan
  id: 346C1EC6-F248-11E8-B48F-1D18A9856A87
  last_name: Schwarz
- first_name: Veronika
  full_name: Bierbaum, Veronika
  id: 3FD04378-F248-11E8-B48F-1D18A9856A87
  last_name: Bierbaum
- first_name: Jack
  full_name: Merrin, Jack
  id: 4515C308-F248-11E8-B48F-1D18A9856A87
  last_name: Merrin
  orcid: 0000-0001-5145-4609
- first_name: Tino
  full_name: Frank, Tino
  last_name: Frank
- first_name: Robert
  full_name: Hauschild, Robert
  id: 4E01D6B4-F248-11E8-B48F-1D18A9856A87
  last_name: Hauschild
  orcid: 0000-0001-9843-3522
- first_name: Mark Tobias
  full_name: Bollenbach, Mark Tobias
  id: 3E6DB97A-F248-11E8-B48F-1D18A9856A87
  last_name: Bollenbach
  orcid: 0000-0003-4398-476X
- first_name: Savaş
  full_name: Tay, Savaş
  last_name: Tay
- first_name: Michael K
  full_name: Sixt, Michael K
  id: 41E9FBEA-F248-11E8-B48F-1D18A9856A87
  last_name: Sixt
  orcid: 0000-0002-6620-9179
- first_name: Matthias
  full_name: Mehling, Matthias
  id: 3C23B994-F248-11E8-B48F-1D18A9856A87
  last_name: Mehling
  orcid: 0000-0001-8599-1226
citation:
  ama: Schwarz J, Bierbaum V, Merrin J, et al. A microfluidic device for measuring
    cell migration towards substrate bound and soluble chemokine gradients. <i>Scientific
    Reports</i>. 2016;6. doi:<a href="https://doi.org/10.1038/srep36440">10.1038/srep36440</a>
  apa: Schwarz, J., Bierbaum, V., Merrin, J., Frank, T., Hauschild, R., Bollenbach,
    M. T., … Mehling, M. (2016). A microfluidic device for measuring cell migration
    towards substrate bound and soluble chemokine gradients. <i>Scientific Reports</i>.
    Nature Publishing Group. <a href="https://doi.org/10.1038/srep36440">https://doi.org/10.1038/srep36440</a>
  chicago: Schwarz, Jan, Veronika Bierbaum, Jack Merrin, Tino Frank, Robert Hauschild,
    Mark Tobias Bollenbach, Savaş Tay, Michael K Sixt, and Matthias Mehling. “A Microfluidic
    Device for Measuring Cell Migration towards Substrate Bound and Soluble Chemokine
    Gradients.” <i>Scientific Reports</i>. Nature Publishing Group, 2016. <a href="https://doi.org/10.1038/srep36440">https://doi.org/10.1038/srep36440</a>.
  ieee: J. Schwarz <i>et al.</i>, “A microfluidic device for measuring cell migration
    towards substrate bound and soluble chemokine gradients,” <i>Scientific Reports</i>,
    vol. 6. Nature Publishing Group, 2016.
  ista: Schwarz J, Bierbaum V, Merrin J, Frank T, Hauschild R, Bollenbach MT, Tay
    S, Sixt MK, Mehling M. 2016. A microfluidic device for measuring cell migration
    towards substrate bound and soluble chemokine gradients. Scientific Reports. 6,
    36440.
  mla: Schwarz, Jan, et al. “A Microfluidic Device for Measuring Cell Migration towards
    Substrate Bound and Soluble Chemokine Gradients.” <i>Scientific Reports</i>, vol.
    6, 36440, Nature Publishing Group, 2016, doi:<a href="https://doi.org/10.1038/srep36440">10.1038/srep36440</a>.
  short: J. Schwarz, V. Bierbaum, J. Merrin, T. Frank, R. Hauschild, M.T. Bollenbach,
    S. Tay, M.K. Sixt, M. Mehling, Scientific Reports 6 (2016).
date_created: 2018-12-11T11:50:27Z
date_published: 2016-11-07T00:00:00Z
date_updated: 2021-01-12T06:48:41Z
day: '07'
ddc:
- '579'
department:
- _id: MiSi
- _id: NanoFab
- _id: Bio
- _id: ToBo
doi: 10.1038/srep36440
ec_funded: 1
file:
- access_level: open_access
  content_type: application/pdf
  creator: system
  date_created: 2018-12-12T10:09:32Z
  date_updated: 2018-12-12T10:09:32Z
  file_id: '4756'
  file_name: IST-2017-744-v1+1_srep36440.pdf
  file_size: 2353456
  relation: main_file
file_date_updated: 2018-12-12T10:09:32Z
has_accepted_license: '1'
intvolume: '         6'
language:
- iso: eng
month: '11'
oa: 1
oa_version: Published Version
project:
- _id: 25A603A2-B435-11E9-9278-68D0E5697425
  call_identifier: FP7
  grant_number: '281556'
  name: Cytoskeletal force generation and force transduction of migrating leukocytes
    (EU)
- _id: 25A8E5EA-B435-11E9-9278-68D0E5697425
  call_identifier: FWF
  grant_number: Y 564-B12
  name: Cytoskeletal force generation and transduction of leukocytes (FWF)
publication: Scientific Reports
publication_status: published
publisher: Nature Publishing Group
publist_id: '6204'
pubrep_id: '744'
quality_controlled: '1'
scopus_import: 1
status: public
title: A microfluidic device for measuring cell migration towards substrate bound
  and soluble chemokine gradients
tmp:
  image: /images/cc_by.png
  legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
  name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
  short: CC BY (4.0)
type: journal_article
user_id: 3E5EF7F0-F248-11E8-B48F-1D18A9856A87
volume: 6
year: '2016'
...
---
_id: '5556'
abstract:
- lang: eng
  text: "MATLAB code and processed datasets available for reproducing the results
    in: \r\nLukačišin, M.*, Landon, M.*, Jajoo, R*. (2016) Sequence-Specific Thermodynamic
    Properties of Nucleic Acids Influence Both Transcriptional Pausing and Backtracking
    in Yeast.\r\n*equal contributions"
article_processing_charge: No
author:
- first_name: Martin
  full_name: Lukacisin, Martin
  id: 298FFE8C-F248-11E8-B48F-1D18A9856A87
  last_name: Lukacisin
  orcid: 0000-0001-6549-4177
- first_name: Matthieu
  full_name: Landon, Matthieu
  last_name: Landon
- first_name: Rishi
  full_name: Jajoo, Rishi
  last_name: Jajoo
citation:
  ama: Lukacisin M, Landon M, Jajoo R. MATLAB analysis code for “Sequence-Specific
    Thermodynamic Properties of Nucleic Acids Influence Both Transcriptional Pausing
    and Backtracking in Yeast.” 2016. doi:<a href="https://doi.org/10.15479/AT:ISTA:45">10.15479/AT:ISTA:45</a>
  apa: Lukacisin, M., Landon, M., &#38; Jajoo, R. (2016). MATLAB analysis code for
    “Sequence-Specific Thermodynamic Properties of Nucleic Acids Influence Both Transcriptional
    Pausing and Backtracking in Yeast.” Institute of Science and Technology Austria.
    <a href="https://doi.org/10.15479/AT:ISTA:45">https://doi.org/10.15479/AT:ISTA:45</a>
  chicago: Lukacisin, Martin, Matthieu Landon, and Rishi Jajoo. “MATLAB Analysis Code
    for ‘Sequence-Specific Thermodynamic Properties of Nucleic Acids Influence Both
    Transcriptional Pausing and Backtracking in Yeast.’” Institute of Science and
    Technology Austria, 2016. <a href="https://doi.org/10.15479/AT:ISTA:45">https://doi.org/10.15479/AT:ISTA:45</a>.
  ieee: M. Lukacisin, M. Landon, and R. Jajoo, “MATLAB analysis code for ‘Sequence-Specific
    Thermodynamic Properties of Nucleic Acids Influence Both Transcriptional Pausing
    and Backtracking in Yeast.’” Institute of Science and Technology Austria, 2016.
  ista: Lukacisin M, Landon M, Jajoo R. 2016. MATLAB analysis code for ‘Sequence-Specific
    Thermodynamic Properties of Nucleic Acids Influence Both Transcriptional Pausing
    and Backtracking in Yeast’, Institute of Science and Technology Austria, <a href="https://doi.org/10.15479/AT:ISTA:45">10.15479/AT:ISTA:45</a>.
  mla: Lukacisin, Martin, et al. <i>MATLAB Analysis Code for “Sequence-Specific Thermodynamic
    Properties of Nucleic Acids Influence Both Transcriptional Pausing and Backtracking
    in Yeast.”</i> Institute of Science and Technology Austria, 2016, doi:<a href="https://doi.org/10.15479/AT:ISTA:45">10.15479/AT:ISTA:45</a>.
  short: M. Lukacisin, M. Landon, R. Jajoo, (2016).
datarep_id: '45'
date_created: 2018-12-12T12:31:31Z
date_published: 2016-08-25T00:00:00Z
date_updated: 2024-02-21T13:51:53Z
day: '25'
ddc:
- '571'
department:
- _id: ToBo
doi: 10.15479/AT:ISTA:45
file:
- access_level: open_access
  checksum: ee697f2b1ade4dc14d6ac0334dd832ab
  content_type: application/zip
  creator: system
  date_created: 2018-12-12T13:02:58Z
  date_updated: 2020-07-14T12:47:02Z
  file_id: '5616'
  file_name: IST-2016-45-v1+1_PaperCode.zip
  file_size: 296722548
  relation: main_file
file_date_updated: 2020-07-14T12:47:02Z
has_accepted_license: '1'
keyword:
- transcription
- pausing
- backtracking
- polymerase
- RNA
- NET-seq
- nucleosome
- basepairing
month: '08'
oa: 1
oa_version: Published Version
publisher: Institute of Science and Technology Austria
related_material:
  record:
  - id: '8431'
    relation: used_in_publication
    status: deleted
  - id: '1029'
    relation: research_paper
    status: public
status: public
title: MATLAB analysis code for 'Sequence-Specific Thermodynamic Properties of Nucleic
  Acids Influence Both Transcriptional Pausing and Backtracking in Yeast'
tmp:
  image: /images/cc_by_sa.png
  legal_code_url: https://creativecommons.org/licenses/by-sa/4.0/legalcode
  name: Creative Commons Attribution-ShareAlike 4.0 International Public License (CC
    BY-SA 4.0)
  short: CC BY-SA (4.0)
type: research_data
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
year: '2016'
...
---
_id: '1552'
abstract:
- lang: eng
  text: Antibiotic resistance carries a fitness cost that must be overcome in order
    for resistance to persist over the long term. Compensatory mutations that recover
    the functional defects associated with resistance mutations have been argued to
    play a key role in overcoming the cost of resistance, but compensatory mutations
    are expected to be rare relative to generally beneficial mutations that increase
    fitness, irrespective of antibiotic resistance. Given this asymmetry, population
    genetics theory predicts that populations should adapt by compensatory mutations
    when the cost of resistance is large, whereas generally beneficial mutations should
    drive adaptation when the cost of resistance is small. We tested this prediction
    by determining the genomic mechanisms underpinning adaptation to antibiotic-free
    conditions in populations of the pathogenic bacterium Pseudomonas aeruginosa that
    carry costly antibiotic resistance mutations. Whole-genome sequencing revealed
    that populations founded by high-cost rifampicin-resistant mutants adapted via
    compensatory mutations in three genes of the RNA polymerase core enzyme, whereas
    populations founded by low-cost mutants adapted by generally beneficial mutations,
    predominantly in the quorum-sensing transcriptional regulator gene lasR. Even
    though the importance of compensatory evolution in maintaining resistance has
    been widely recognized, our study shows that the roles of general adaptation in
    maintaining resistance should not be underestimated and highlights the need to
    understand how selection at other sites in the genome influences the dynamics
    of resistance alleles in clinical settings.
acknowledgement: "We thank the High-Throughput Genomics Group at the Wellcome Trust
  Centre for Human Genetics funded by Wellcome\r\nTrust grant reference 090532/Z/09/Z
  and Medical Research Council Hub grant no. G0900747 91070 for generation of the
  high-throughput sequencing data. We thank Wook Kim and two anonymous reviewers for
  their constructive feedback on previous versions of our manuscript."
article_number: '20152452'
author:
- first_name: Qin
  full_name: Qi, Qin
  id: 3B22D412-F248-11E8-B48F-1D18A9856A87
  last_name: Qi
  orcid: 0000-0002-6148-2416
- first_name: Macarena
  full_name: Toll Riera, Macarena
  last_name: Toll Riera
- first_name: Karl
  full_name: Heilbron, Karl
  last_name: Heilbron
- first_name: Gail
  full_name: Preston, Gail
  last_name: Preston
- first_name: R Craig
  full_name: Maclean, R Craig
  last_name: Maclean
citation:
  ama: Qi Q, Toll Riera M, Heilbron K, Preston G, Maclean RC. The genomic basis of
    adaptation to the fitness cost of rifampicin resistance in Pseudomonas aeruginosa.
    <i>Proceedings of the Royal Society of London Series B Biological Sciences</i>.
    2016;283(1822). doi:<a href="https://doi.org/10.1098/rspb.2015.2452">10.1098/rspb.2015.2452</a>
  apa: Qi, Q., Toll Riera, M., Heilbron, K., Preston, G., &#38; Maclean, R. C. (2016).
    The genomic basis of adaptation to the fitness cost of rifampicin resistance in
    Pseudomonas aeruginosa. <i>Proceedings of the Royal Society of London Series B
    Biological Sciences</i>. Royal Society, The. <a href="https://doi.org/10.1098/rspb.2015.2452">https://doi.org/10.1098/rspb.2015.2452</a>
  chicago: Qi, Qin, Macarena Toll Riera, Karl Heilbron, Gail Preston, and R Craig
    Maclean. “The Genomic Basis of Adaptation to the Fitness Cost of Rifampicin Resistance
    in Pseudomonas Aeruginosa.” <i>Proceedings of the Royal Society of London Series
    B Biological Sciences</i>. Royal Society, The, 2016. <a href="https://doi.org/10.1098/rspb.2015.2452">https://doi.org/10.1098/rspb.2015.2452</a>.
  ieee: Q. Qi, M. Toll Riera, K. Heilbron, G. Preston, and R. C. Maclean, “The genomic
    basis of adaptation to the fitness cost of rifampicin resistance in Pseudomonas
    aeruginosa,” <i>Proceedings of the Royal Society of London Series B Biological
    Sciences</i>, vol. 283, no. 1822. Royal Society, The, 2016.
  ista: Qi Q, Toll Riera M, Heilbron K, Preston G, Maclean RC. 2016. The genomic basis
    of adaptation to the fitness cost of rifampicin resistance in Pseudomonas aeruginosa.
    Proceedings of the Royal Society of London Series B Biological Sciences. 283(1822),
    20152452.
  mla: Qi, Qin, et al. “The Genomic Basis of Adaptation to the Fitness Cost of Rifampicin
    Resistance in Pseudomonas Aeruginosa.” <i>Proceedings of the Royal Society of
    London Series B Biological Sciences</i>, vol. 283, no. 1822, 20152452, Royal Society,
    The, 2016, doi:<a href="https://doi.org/10.1098/rspb.2015.2452">10.1098/rspb.2015.2452</a>.
  short: Q. Qi, M. Toll Riera, K. Heilbron, G. Preston, R.C. Maclean, Proceedings
    of the Royal Society of London Series B Biological Sciences 283 (2016).
date_created: 2018-12-11T11:52:40Z
date_published: 2016-01-13T00:00:00Z
date_updated: 2021-01-12T06:51:33Z
day: '13'
ddc:
- '570'
department:
- _id: ToBo
doi: 10.1098/rspb.2015.2452
file:
- access_level: open_access
  checksum: 78ffe70c1c88af3856d31ca6b7195a27
  content_type: application/pdf
  creator: system
  date_created: 2018-12-12T10:11:43Z
  date_updated: 2020-07-14T12:45:02Z
  file_id: '4899'
  file_name: IST-2016-488-v1+1_20152452.full.pdf
  file_size: 626804
  relation: main_file
file_date_updated: 2020-07-14T12:45:02Z
has_accepted_license: '1'
intvolume: '       283'
issue: '1822'
language:
- iso: eng
month: '01'
oa: 1
oa_version: Published Version
publication: Proceedings of the Royal Society of London Series B Biological Sciences
publication_status: published
publisher: Royal Society, The
publist_id: '5619'
pubrep_id: '488'
quality_controlled: '1'
scopus_import: 1
status: public
title: The genomic basis of adaptation to the fitness cost of rifampicin resistance
  in Pseudomonas aeruginosa
tmp:
  image: /images/cc_by.png
  legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
  name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
  short: CC BY (4.0)
type: journal_article
user_id: 3E5EF7F0-F248-11E8-B48F-1D18A9856A87
volume: 283
year: '2016'
...
---
_id: '1218'
abstract:
- lang: eng
  text: Investigating the physiology of cyanobacteria cultured under a diel light
    regime is relevant for a better understanding of the resulting growth characteristics
    and for specific biotechnological applications that are foreseen for these photosynthetic
    organisms. Here, we present the results of a multiomics study of the model cyanobacterium
    Synechocystis sp. strain PCC 6803, cultured in a lab-scale photobioreactor in
    physiological conditions relevant for large-scale culturing. The culture was sparged
    withN2 andCO2, leading to an anoxic environment during the dark period. Growth
    followed the availability of light. Metabolite analysis performed with 1Hnuclear
    magnetic resonance analysis showed that amino acids involved in nitrogen and sulfur
    assimilation showed elevated levels in the light. Most protein levels, analyzed
    through mass spectrometry, remained rather stable. However, several high-light-response
    proteins and stress-response proteins showed distinct changes at the onset of
    the light period. Microarray-based transcript analysis found common patterns of~56%
    of the transcriptome following the diel regime. These oscillating transcripts
    could be grouped coarsely into genes that were upregulated and downregulated in
    the dark period. The accumulated glycogen was degraded in the anaerobic environment
    in the dark. A small part was degraded gradually, reflecting basic maintenance
    requirements of the cells in darkness. Surprisingly, the largest part was degraded
    rapidly in a short time span at the end of the dark period. This degradation could
    allow rapid formation of metabolic intermediates at the end of the dark period,
    preparing the cells for the resumption of growth at the start of the light period.
acknowledgement: "Dutch Ministry of Economic Affairs, Agriculture, and Innovation
  through the program BioSolar CellsS. Andreas Angermayr,Pascal van Alphen, Klaas
  J. Hellingwerf\r\nWe thank Naira Quintana (presently at Rousselot, Belgium) for
  the ini-\r\ntiative  at  the  10th  Cyanobacterial  Molecular  Biology  Workshop\r\n(CMBW),
  June 2010, Lake Arrowhead, Los Angeles, CA, USA, to start the\r\ncollaborative endeavor
  reported here. We thank Timo Maarleveld from\r\nCWI/VU (Amsterdam) for a custom-made
  Python script handling the output from the NMR analysis and for evaluating and visualizing
  the\r\nseparate metabolites for their evaluation. We thank Rob Verpoorte from\r\nLeiden
  University (metabolome analysis) and Hans Aerts from the AMC\r\n(proteome analysis)
  for lab space and equipment. We thank Robert Leh-\r\nmann (Humboldt University Berlin)
  and Ilka Axmann (University of\r\nDüsseldorf) for sharing the R-code for the LOS
  transformation of the\r\ntranscript data. We thank Hans C. P. Matthijs from IBED
  for inspiring\r\ndialogues and insightful thoughts on continuous culturing of cyanobac-\r\nteria.
  We thank Sandra Waaijenborg for performing the transcript nor-\r\nmalization and
  Johan Westerhuis from BDA, Jeroen van der Steen and\r\nFilipe Branco dos Santos
  from MMP, and Lucas Stal from IBED/NIOZ for\r\nhelpful discussions. We thank Milou
  Schuurmans from MMP for help\r\nwith sampling and glycogen determination. We thank
  the members of the\r\nRNA Biology & Applied Bioinformatics group at SILS, in particular
  Selina\r\nvan Leeuwen, Elisa Hoekstra, and Martijs Jonker, for the microarray anal-\r\nysis.
  We thank the reviewers of this work for their insightful comments\r\nwhich improved
  the quality of the manuscript. This work, including the efforts of S. Andreas Angermayr,
  Pascal van\r\nAlphen, and Klaas J. Hellingwerf, was funded by Dutch Ministry of
  Eco-\r\nnomic Affairs, Agriculture, and Innovation through the program BioSolar\r\nCells."
author:
- first_name: Andreas
  full_name: Angermayr, Andreas
  id: 4677C796-F248-11E8-B48F-1D18A9856A87
  last_name: Angermayr
  orcid: 0000-0001-8619-2223
- first_name: Pascal
  full_name: Van Alphen, Pascal
  last_name: Van Alphen
- first_name: Dicle
  full_name: Hasdemir, Dicle
  last_name: Hasdemir
- first_name: Gertjan
  full_name: Kramer, Gertjan
  last_name: Kramer
- first_name: Muzamal
  full_name: Iqbal, Muzamal
  last_name: Iqbal
- first_name: Wilmar
  full_name: Van Grondelle, Wilmar
  last_name: Van Grondelle
- first_name: Huub
  full_name: Hoefsloot, Huub
  last_name: Hoefsloot
- first_name: Younghae
  full_name: Choi, Younghae
  last_name: Choi
- first_name: Klaas
  full_name: Hellingwerf, Klaas
  last_name: Hellingwerf
citation:
  ama: Angermayr A, Van Alphen P, Hasdemir D, et al. Culturing synechocystis sp. Strain
    pcc 6803 with N2 and CO2 in a diel regime reveals multiphase glycogen dynamics
    with low maintenance costs. <i>Applied and Environmental Microbiology</i>. 2016;82(14):4180-4189.
    doi:<a href="https://doi.org/10.1128/AEM.00256-16">10.1128/AEM.00256-16</a>
  apa: Angermayr, A., Van Alphen, P., Hasdemir, D., Kramer, G., Iqbal, M., Van Grondelle,
    W., … Hellingwerf, K. (2016). Culturing synechocystis sp. Strain pcc 6803 with
    N2 and CO2 in a diel regime reveals multiphase glycogen dynamics with low maintenance
    costs. <i>Applied and Environmental Microbiology</i>. American Society for Microbiology.
    <a href="https://doi.org/10.1128/AEM.00256-16">https://doi.org/10.1128/AEM.00256-16</a>
  chicago: Angermayr, Andreas, Pascal Van Alphen, Dicle Hasdemir, Gertjan Kramer,
    Muzamal Iqbal, Wilmar Van Grondelle, Huub Hoefsloot, Younghae Choi, and Klaas
    Hellingwerf. “Culturing Synechocystis Sp. Strain Pcc 6803 with N2 and CO2 in a
    Diel Regime Reveals Multiphase Glycogen Dynamics with Low Maintenance Costs.”
    <i>Applied and Environmental Microbiology</i>. American Society for Microbiology,
    2016. <a href="https://doi.org/10.1128/AEM.00256-16">https://doi.org/10.1128/AEM.00256-16</a>.
  ieee: A. Angermayr <i>et al.</i>, “Culturing synechocystis sp. Strain pcc 6803 with
    N2 and CO2 in a diel regime reveals multiphase glycogen dynamics with low maintenance
    costs,” <i>Applied and Environmental Microbiology</i>, vol. 82, no. 14. American
    Society for Microbiology, pp. 4180–4189, 2016.
  ista: Angermayr A, Van Alphen P, Hasdemir D, Kramer G, Iqbal M, Van Grondelle W,
    Hoefsloot H, Choi Y, Hellingwerf K. 2016. Culturing synechocystis sp. Strain pcc
    6803 with N2 and CO2 in a diel regime reveals multiphase glycogen dynamics with
    low maintenance costs. Applied and Environmental Microbiology. 82(14), 4180–4189.
  mla: Angermayr, Andreas, et al. “Culturing Synechocystis Sp. Strain Pcc 6803 with
    N2 and CO2 in a Diel Regime Reveals Multiphase Glycogen Dynamics with Low Maintenance
    Costs.” <i>Applied and Environmental Microbiology</i>, vol. 82, no. 14, American
    Society for Microbiology, 2016, pp. 4180–89, doi:<a href="https://doi.org/10.1128/AEM.00256-16">10.1128/AEM.00256-16</a>.
  short: A. Angermayr, P. Van Alphen, D. Hasdemir, G. Kramer, M. Iqbal, W. Van Grondelle,
    H. Hoefsloot, Y. Choi, K. Hellingwerf, Applied and Environmental Microbiology
    82 (2016) 4180–4189.
date_created: 2018-12-11T11:50:46Z
date_published: 2016-07-01T00:00:00Z
date_updated: 2021-01-12T06:49:10Z
day: '01'
department:
- _id: ToBo
doi: 10.1128/AEM.00256-16
intvolume: '        82'
issue: '14'
language:
- iso: eng
main_file_link:
- open_access: '1'
  url: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4959195/
month: '07'
oa: 1
oa_version: Submitted Version
page: 4180 - 4189
publication: Applied and Environmental Microbiology
publication_status: published
publisher: American Society for Microbiology
publist_id: '6117'
quality_controlled: '1'
scopus_import: 1
status: public
title: Culturing synechocystis sp. Strain pcc 6803 with N2 and CO2 in a diel regime
  reveals multiphase glycogen dynamics with low maintenance costs
type: journal_article
user_id: 3E5EF7F0-F248-11E8-B48F-1D18A9856A87
volume: 82
year: '2016'
...
