[{"abstract":[{"text":"Cooperative disease defense emerges as group-level collective behavior, yet how group members make the underlying individual decisions is poorly understood. Using garden ants and fungal pathogens as an experimental model, we derive the rules governing individual ant grooming choices and show how they produce colony-level hygiene. Time-resolved behavioral analysis, pathogen quantification, and probabilistic modeling reveal that ants increase grooming and preferentially target highly-infectious individuals when perceiving high pathogen load, but transiently suppress grooming after having been groomed by nestmates. Ants thus react to both, the infectivity of others and the social feedback they receive on their own contagiousness. While inferred solely from momentary ant decisions, these behavioral rules quantitatively predict hour-long experimental dynamics, and synergistically combine into efficient colony-wide pathogen removal. Our analyses show that noisy individual decisions based on only local, incomplete, yet dynamically-updated information on pathogen threat and social feedback can lead to potent collective disease defense.","lang":"eng"}],"doi":"10.1038/s41467-023-38947-y","day":"03","isi":1,"external_id":{"pmid":["37270641"],"isi":["001002562700005"]},"date_updated":"2023-08-07T13:09:09Z","citation":{"short":"B.E. Casillas Perez, K. Bodova, A.V. Grasse, G. Tkačik, S. Cremer, Nature Communications 14 (2023).","mla":"Casillas Perez, Barbara E., et al. “Dynamic Pathogen Detection and Social Feedback Shape Collective Hygiene in Ants.” <i>Nature Communications</i>, vol. 14, 3232, Springer Nature, 2023, doi:<a href=\"https://doi.org/10.1038/s41467-023-38947-y\">10.1038/s41467-023-38947-y</a>.","ista":"Casillas Perez BE, Bodova K, Grasse AV, Tkačik G, Cremer S. 2023. Dynamic pathogen detection and social feedback shape collective hygiene in ants. Nature Communications. 14, 3232.","ama":"Casillas Perez BE, Bodova K, Grasse AV, Tkačik G, Cremer S. Dynamic pathogen detection and social feedback shape collective hygiene in ants. <i>Nature Communications</i>. 2023;14. doi:<a href=\"https://doi.org/10.1038/s41467-023-38947-y\">10.1038/s41467-023-38947-y</a>","apa":"Casillas Perez, B. E., Bodova, K., Grasse, A. V., Tkačik, G., &#38; Cremer, S. (2023). Dynamic pathogen detection and social feedback shape collective hygiene in ants. <i>Nature Communications</i>. Springer Nature. <a href=\"https://doi.org/10.1038/s41467-023-38947-y\">https://doi.org/10.1038/s41467-023-38947-y</a>","ieee":"B. E. Casillas Perez, K. Bodova, A. V. Grasse, G. Tkačik, and S. Cremer, “Dynamic pathogen detection and social feedback shape collective hygiene in ants,” <i>Nature Communications</i>, vol. 14. Springer Nature, 2023.","chicago":"Casillas Perez, Barbara E, Katarina Bodova, Anna V Grasse, Gašper Tkačik, and Sylvia Cremer. “Dynamic Pathogen Detection and Social Feedback Shape Collective Hygiene in Ants.” <i>Nature Communications</i>. Springer Nature, 2023. <a href=\"https://doi.org/10.1038/s41467-023-38947-y\">https://doi.org/10.1038/s41467-023-38947-y</a>."},"year":"2023","ddc":["570"],"acknowledgement":"We thank Mike Bidochka for the fungal strains, the ISTA Social Immunity Team for ant collection, Hanna Leitner for experimental and molecular support, Jennifer Robb and Lukas Lindorfer for microscopy, and the LabSupport Facility at ISTA for general laboratory support. We further thank Victor Mireles, Iain Couzin, Fabian Theis and the Social Immunity Team for continued feedback throughout, and Michael Sixt, Yuko Ulrich, Koos Boomsma, Erika Dawson, Megan Kutzer and Hinrich Schulenburg for comments on the manuscript. This project has received funding from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation program (Grant No. 771402; EPIDEMICSonCHIP) to SC, from the Scientific Grant Agency of the Slovak Republic (Grant No. 1/0521/20) to KB, and the Human Frontier Science Program (Grant No. RGP0065/2012) to GT.","volume":14,"title":"Dynamic pathogen detection and social feedback shape collective hygiene in ants","intvolume":"        14","publication_status":"published","article_processing_charge":"Yes","department":[{"_id":"SyCr"},{"_id":"GaTk"}],"date_created":"2023-06-11T22:00:40Z","author":[{"first_name":"Barbara E","last_name":"Casillas Perez","full_name":"Casillas Perez, Barbara E","id":"351ED2AA-F248-11E8-B48F-1D18A9856A87"},{"id":"2BA24EA0-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0002-7214-0171","full_name":"Bod'Ová, Katarína","first_name":"Katarína","last_name":"Bod'Ová"},{"id":"406F989C-F248-11E8-B48F-1D18A9856A87","full_name":"Grasse, Anna V","first_name":"Anna V","last_name":"Grasse"},{"first_name":"Gašper","last_name":"Tkačik","orcid":"0000-0002-6699-1455","full_name":"Tkačik, Gašper","id":"3D494DCA-F248-11E8-B48F-1D18A9856A87"},{"id":"2F64EC8C-F248-11E8-B48F-1D18A9856A87","first_name":"Sylvia","last_name":"Cremer","orcid":"0000-0002-2193-3868","full_name":"Cremer, Sylvia"}],"_id":"13127","pmid":1,"scopus_import":"1","article_type":"original","publisher":"Springer Nature","file_date_updated":"2023-06-13T08:05:46Z","quality_controlled":"1","ec_funded":1,"oa":1,"publication_identifier":{"eissn":["2041-1723"]},"date_published":"2023-06-03T00:00:00Z","type":"journal_article","tmp":{"legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","image":"/images/cc_by.png","name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)"},"status":"public","related_material":{"record":[{"id":"12945","relation":"research_data","status":"public"}]},"user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","file":[{"file_id":"13132","creator":"dernst","success":1,"access_level":"open_access","relation":"main_file","date_updated":"2023-06-13T08:05:46Z","content_type":"application/pdf","file_name":"2023_NatureComm_CasillasPerez.pdf","date_created":"2023-06-13T08:05:46Z","file_size":2358167,"checksum":"4af0393e3ed47b3fc46e68b81c3c1007"}],"month":"06","article_number":"3232","oa_version":"Published Version","acknowledged_ssus":[{"_id":"LifeSc"}],"project":[{"grant_number":"771402","name":"Epidemics in ant societies on a chip","_id":"2649B4DE-B435-11E9-9278-68D0E5697425","call_identifier":"H2020"},{"name":"Information processing and computation in fish groups","grant_number":"RGP0065/2012","_id":"255008E4-B435-11E9-9278-68D0E5697425"}],"publication":"Nature Communications","has_accepted_license":"1","language":[{"iso":"eng"}]},{"file":[{"content_type":"application/pdf","file_name":"2021_EcologyLetters_CasillasPerez.pdf","date_updated":"2022-02-03T13:37:11Z","checksum":"0bd4210400e9876609b7c538ab4f9a3c","file_size":700087,"date_created":"2022-02-03T13:37:11Z","creator":"cchlebak","file_id":"10721","access_level":"open_access","success":1,"relation":"main_file"}],"related_material":{"record":[{"status":"public","id":"13061","relation":"research_data"}]},"user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","status":"public","tmp":{"legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","image":"/images/cc_by.png","name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)"},"date_published":"2022-01-01T00:00:00Z","type":"journal_article","publication_identifier":{"issn":["1461-023X"],"eissn":["1461-0248"]},"oa":1,"language":[{"iso":"eng"}],"publication":"Ecology Letters","has_accepted_license":"1","oa_version":"Published Version","acknowledged_ssus":[{"_id":"ScienComp"}],"project":[{"name":"Epidemics in ant societies on a chip","grant_number":"771402","_id":"2649B4DE-B435-11E9-9278-68D0E5697425","call_identifier":"H2020"}],"month":"01","volume":25,"acknowledgement":"The authors are grateful to G. Tkačik and V. Mireles for advice on data analyses and to A. Schloegl for help using the IST Austria HPC cluster for data processing. The authors thank J. Eilenberg for providing the fungal strain and A.V. Grasse for support with the molecular analysis. The authors also thank the Social Immunity group at IST Austria, in particular B. Milutinović, for discussions throughout and comments on the manuscript.","ddc":["573"],"date_updated":"2023-08-14T11:45:29Z","year":"2022","citation":{"ista":"Casillas Perez BE, Pull C, Naiser F, Naderlinger E, Matas J, Cremer S. 2022. Early queen infection shapes developmental dynamics and induces long-term disease protection in incipient ant colonies. Ecology Letters. 25(1), 89–100.","mla":"Casillas Perez, Barbara E., et al. “Early Queen Infection Shapes Developmental Dynamics and Induces Long-Term Disease Protection in Incipient Ant Colonies.” <i>Ecology Letters</i>, vol. 25, no. 1, Wiley, 2022, pp. 89–100, doi:<a href=\"https://doi.org/10.1111/ele.13907\">10.1111/ele.13907</a>.","short":"B.E. Casillas Perez, C. Pull, F. Naiser, E. Naderlinger, J. Matas, S. Cremer, Ecology Letters 25 (2022) 89–100.","ieee":"B. E. Casillas Perez, C. Pull, F. Naiser, E. Naderlinger, J. Matas, and S. Cremer, “Early queen infection shapes developmental dynamics and induces long-term disease protection in incipient ant colonies,” <i>Ecology Letters</i>, vol. 25, no. 1. Wiley, pp. 89–100, 2022.","chicago":"Casillas Perez, Barbara E, Christopher Pull, Filip Naiser, Elisabeth Naderlinger, Jiri Matas, and Sylvia Cremer. “Early Queen Infection Shapes Developmental Dynamics and Induces Long-Term Disease Protection in Incipient Ant Colonies.” <i>Ecology Letters</i>. Wiley, 2022. <a href=\"https://doi.org/10.1111/ele.13907\">https://doi.org/10.1111/ele.13907</a>.","apa":"Casillas Perez, B. E., Pull, C., Naiser, F., Naderlinger, E., Matas, J., &#38; Cremer, S. (2022). Early queen infection shapes developmental dynamics and induces long-term disease protection in incipient ant colonies. <i>Ecology Letters</i>. Wiley. <a href=\"https://doi.org/10.1111/ele.13907\">https://doi.org/10.1111/ele.13907</a>","ama":"Casillas Perez BE, Pull C, Naiser F, Naderlinger E, Matas J, Cremer S. Early queen infection shapes developmental dynamics and induces long-term disease protection in incipient ant colonies. <i>Ecology Letters</i>. 2022;25(1):89-100. doi:<a href=\"https://doi.org/10.1111/ele.13907\">10.1111/ele.13907</a>"},"isi":1,"external_id":{"isi":["000713396100001"],"pmid":["34725912"]},"doi":"10.1111/ele.13907","day":"01","abstract":[{"text":"Infections early in life can have enduring effects on an organism's development and immunity. In this study, we show that this equally applies to developing ‘superorganisms’––incipient social insect colonies. When we exposed newly mated Lasius niger ant queens to a low pathogen dose, their colonies grew more slowly than controls before winter, but reached similar sizes afterwards. Independent of exposure, queen hibernation survival improved when the ratio of pupae to workers was small. Queens that reared fewer pupae before worker emergence exhibited lower pathogen levels, indicating that high brood rearing efforts interfere with the ability of the queen's immune system to suppress pathogen proliferation. Early-life queen pathogen exposure also improved the immunocompetence of her worker offspring, as demonstrated by challenging the workers to the same pathogen a year later. Transgenerational transfer of the queen's pathogen experience to her workforce can hence durably reduce the disease susceptibility of the whole superorganism.","lang":"eng"}],"page":"89-100","ec_funded":1,"quality_controlled":"1","file_date_updated":"2022-02-03T13:37:11Z","publisher":"Wiley","article_type":"original","_id":"10284","pmid":1,"scopus_import":"1","author":[{"full_name":"Casillas Perez, Barbara E","last_name":"Casillas Perez","first_name":"Barbara E","id":"351ED2AA-F248-11E8-B48F-1D18A9856A87"},{"last_name":"Pull","first_name":"Christopher","full_name":"Pull, Christopher","orcid":"0000-0003-1122-3982","id":"3C7F4840-F248-11E8-B48F-1D18A9856A87"},{"full_name":"Naiser, Filip","last_name":"Naiser","first_name":"Filip"},{"first_name":"Elisabeth","last_name":"Naderlinger","full_name":"Naderlinger, Elisabeth","id":"31757262-F248-11E8-B48F-1D18A9856A87"},{"first_name":"Jiri","last_name":"Matas","full_name":"Matas, Jiri"},{"first_name":"Sylvia","last_name":"Cremer","orcid":"0000-0002-2193-3868","full_name":"Cremer, Sylvia","id":"2F64EC8C-F248-11E8-B48F-1D18A9856A87"}],"issue":"1","publication_status":"published","date_created":"2021-11-14T23:01:25Z","article_processing_charge":"Yes (via OA deal)","department":[{"_id":"SyCr"}],"title":"Early queen infection shapes developmental dynamics and induces long-term disease protection in incipient ant colonies","intvolume":"        25"},{"author":[{"first_name":"Barbara E","last_name":"Casillas Perez","full_name":"Casillas Perez, Barbara E","id":"351ED2AA-F248-11E8-B48F-1D18A9856A87"},{"id":"3C7F4840-F248-11E8-B48F-1D18A9856A87","full_name":"Pull, Christopher","orcid":"0000-0003-1122-3982","last_name":"Pull","first_name":"Christopher"},{"full_name":"Naiser, Filip","last_name":"Naiser","first_name":"Filip"},{"last_name":"Naderlinger","first_name":"Elisabeth","full_name":"Naderlinger, Elisabeth"},{"full_name":"Matas, Jiri","last_name":"Matas","first_name":"Jiri"},{"full_name":"Cremer, Sylvia","orcid":"0000-0002-2193-3868","last_name":"Cremer","first_name":"Sylvia","id":"2F64EC8C-F248-11E8-B48F-1D18A9856A87"}],"_id":"13061","license":"https://creativecommons.org/publicdomain/zero/1.0/","title":"Early queen infection shapes developmental dynamics and induces long-term disease protection in incipient ant colonies","month":"10","oa_version":"Published Version","article_processing_charge":"No","date_created":"2023-05-23T16:14:35Z","department":[{"_id":"SyCr"}],"project":[{"grant_number":"771402","name":"Epidemics in ant societies on a chip","call_identifier":"H2020","_id":"2649B4DE-B435-11E9-9278-68D0E5697425"}],"ec_funded":1,"publisher":"Dryad","date_published":"2021-10-29T00:00:00Z","type":"research_data_reference","date_updated":"2023-08-14T11:45:28Z","tmp":{"legal_code_url":"https://creativecommons.org/publicdomain/zero/1.0/legalcode","short":"CC0 (1.0)","name":"Creative Commons Public Domain Dedication (CC0 1.0)","image":"/images/cc_0.png"},"citation":{"ista":"Casillas Perez BE, Pull C, Naiser F, Naderlinger E, Matas J, Cremer S. 2021. Early queen infection shapes developmental dynamics and induces long-term disease protection in incipient ant colonies, Dryad, <a href=\"https://doi.org/10.5061/DRYAD.7PVMCVDTJ\">10.5061/DRYAD.7PVMCVDTJ</a>.","short":"B.E. Casillas Perez, C. Pull, F. Naiser, E. Naderlinger, J. Matas, S. Cremer, (2021).","mla":"Casillas Perez, Barbara E., et al. <i>Early Queen Infection Shapes Developmental Dynamics and Induces Long-Term Disease Protection in Incipient Ant Colonies</i>. Dryad, 2021, doi:<a href=\"https://doi.org/10.5061/DRYAD.7PVMCVDTJ\">10.5061/DRYAD.7PVMCVDTJ</a>.","chicago":"Casillas Perez, Barbara E, Christopher Pull, Filip Naiser, Elisabeth Naderlinger, Jiri Matas, and Sylvia Cremer. “Early Queen Infection Shapes Developmental Dynamics and Induces Long-Term Disease Protection in Incipient Ant Colonies.” Dryad, 2021. <a href=\"https://doi.org/10.5061/DRYAD.7PVMCVDTJ\">https://doi.org/10.5061/DRYAD.7PVMCVDTJ</a>.","ieee":"B. E. Casillas Perez, C. Pull, F. Naiser, E. Naderlinger, J. Matas, and S. Cremer, “Early queen infection shapes developmental dynamics and induces long-term disease protection in incipient ant colonies.” Dryad, 2021.","apa":"Casillas Perez, B. E., Pull, C., Naiser, F., Naderlinger, E., Matas, J., &#38; Cremer, S. (2021). Early queen infection shapes developmental dynamics and induces long-term disease protection in incipient ant colonies. Dryad. <a href=\"https://doi.org/10.5061/DRYAD.7PVMCVDTJ\">https://doi.org/10.5061/DRYAD.7PVMCVDTJ</a>","ama":"Casillas Perez BE, Pull C, Naiser F, Naderlinger E, Matas J, Cremer S. Early queen infection shapes developmental dynamics and induces long-term disease protection in incipient ant colonies. 2021. doi:<a href=\"https://doi.org/10.5061/DRYAD.7PVMCVDTJ\">10.5061/DRYAD.7PVMCVDTJ</a>"},"year":"2021","abstract":[{"lang":"eng","text":"Infections early in life can have enduring effects on an organism’s development and immunity. In this study, we show that this equally applies to developing “superorganisms” – incipient social insect colonies. When we exposed newly mated Lasius niger ant queens to a low pathogen dose, their colonies grew more slowly than controls before winter, but reached similar sizes afterwards. Independent of exposure, queen hibernation survival improved when the ratio of pupae to workers was small. Queens that reared fewer pupae before worker emergence exhibited lower pathogen levels, indicating that high brood rearing efforts interfere with the ability of the queen’s immune system to suppress pathogen proliferation. Early-life queen pathogen-exposure also improved the immunocompetence of her worker offspring, as demonstrated by challenging the workers to the same pathogen a year later. Transgenerational transfer of the queen’s pathogen experience to her workforce can hence durably reduce the disease susceptibility of the whole superorganism."}],"oa":1,"doi":"10.5061/DRYAD.7PVMCVDTJ","day":"29","ddc":["570"],"related_material":{"record":[{"id":"10284","relation":"used_in_publication","status":"public"}]},"status":"public","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","main_file_link":[{"open_access":"1","url":"https://doi.org/10.5061/dryad.7pvmcvdtj"}]},{"volume":9,"ddc":["570","580"],"day":"23","doi":"10.7554/eLife.52067","abstract":[{"lang":"eng","text":"In plants, clathrin mediated endocytosis (CME) represents the major route for cargo internalisation from the cell surface. It has been assumed to operate in an evolutionary conserved manner as in yeast and animals. Here we report characterisation of ultrastructure, dynamics and mechanisms of plant CME as allowed by our advancement in electron microscopy and quantitative live imaging techniques. Arabidopsis CME appears to follow the constant curvature model and the bona fide CME population generates vesicles of a predominantly hexagonal-basket type; larger and with faster kinetics than in other models. Contrary to the existing paradigm, actin is dispensable for CME events at the plasma membrane but plays a unique role in collecting endocytic vesicles, sorting of internalised cargos and directional endosome movement that itself actively promote CME events. Internalized vesicles display a strongly delayed and sequential uncoating. These unique features highlight the independent evolution of the plant CME mechanism during the autonomous rise of multicellularity in eukaryotes."}],"citation":{"short":"M. Narasimhan, A.J. Johnson, R. Prizak, W. Kaufmann, S. Tan, B.E. Casillas Perez, J. Friml, ELife 9 (2020).","mla":"Narasimhan, Madhumitha, et al. “Evolutionarily Unique Mechanistic Framework of Clathrin-Mediated Endocytosis in Plants.” <i>ELife</i>, vol. 9, e52067, eLife Sciences Publications, 2020, doi:<a href=\"https://doi.org/10.7554/eLife.52067\">10.7554/eLife.52067</a>.","ista":"Narasimhan M, Johnson AJ, Prizak R, Kaufmann W, Tan S, Casillas Perez BE, Friml J. 2020. Evolutionarily unique mechanistic framework of clathrin-mediated endocytosis in plants. eLife. 9, e52067.","apa":"Narasimhan, M., Johnson, A. J., Prizak, R., Kaufmann, W., Tan, S., Casillas Perez, B. E., &#38; Friml, J. (2020). Evolutionarily unique mechanistic framework of clathrin-mediated endocytosis in plants. <i>ELife</i>. eLife Sciences Publications. <a href=\"https://doi.org/10.7554/eLife.52067\">https://doi.org/10.7554/eLife.52067</a>","ama":"Narasimhan M, Johnson AJ, Prizak R, et al. Evolutionarily unique mechanistic framework of clathrin-mediated endocytosis in plants. <i>eLife</i>. 2020;9. doi:<a href=\"https://doi.org/10.7554/eLife.52067\">10.7554/eLife.52067</a>","ieee":"M. Narasimhan <i>et al.</i>, “Evolutionarily unique mechanistic framework of clathrin-mediated endocytosis in plants,” <i>eLife</i>, vol. 9. eLife Sciences Publications, 2020.","chicago":"Narasimhan, Madhumitha, Alexander J Johnson, Roshan Prizak, Walter Kaufmann, Shutang Tan, Barbara E Casillas Perez, and Jiří Friml. “Evolutionarily Unique Mechanistic Framework of Clathrin-Mediated Endocytosis in Plants.” <i>ELife</i>. eLife Sciences Publications, 2020. <a href=\"https://doi.org/10.7554/eLife.52067\">https://doi.org/10.7554/eLife.52067</a>."},"year":"2020","date_updated":"2023-08-18T06:33:07Z","external_id":{"pmid":["31971511"],"isi":["000514104100001"]},"isi":1,"publisher":"eLife Sciences Publications","article_type":"original","ec_funded":1,"quality_controlled":"1","file_date_updated":"2020-07-14T12:47:59Z","date_created":"2020-02-16T23:00:50Z","department":[{"_id":"JiFr"},{"_id":"GaTk"},{"_id":"EM-Fac"},{"_id":"SyCr"}],"article_processing_charge":"No","publication_status":"published","intvolume":"         9","title":"Evolutionarily unique mechanistic framework of clathrin-mediated endocytosis in plants","scopus_import":"1","_id":"7490","pmid":1,"author":[{"first_name":"Madhumitha","last_name":"Narasimhan","orcid":"0000-0002-8600-0671","full_name":"Narasimhan, Madhumitha","id":"44BF24D0-F248-11E8-B48F-1D18A9856A87"},{"last_name":"Johnson","first_name":"Alexander J","full_name":"Johnson, Alexander J","orcid":"0000-0002-2739-8843","id":"46A62C3A-F248-11E8-B48F-1D18A9856A87"},{"full_name":"Prizak, Roshan","first_name":"Roshan","last_name":"Prizak","id":"4456104E-F248-11E8-B48F-1D18A9856A87"},{"id":"3F99E422-F248-11E8-B48F-1D18A9856A87","full_name":"Kaufmann, Walter","orcid":"0000-0001-9735-5315","last_name":"Kaufmann","first_name":"Walter"},{"orcid":"0000-0002-0471-8285","full_name":"Tan, Shutang","first_name":"Shutang","last_name":"Tan","id":"2DE75584-F248-11E8-B48F-1D18A9856A87"},{"full_name":"Casillas Perez, Barbara E","first_name":"Barbara E","last_name":"Casillas Perez","id":"351ED2AA-F248-11E8-B48F-1D18A9856A87"},{"id":"4159519E-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0002-8302-7596","full_name":"Friml, Jiří","first_name":"Jiří","last_name":"Friml"}],"file":[{"date_created":"2020-02-18T07:21:16Z","file_size":7247468,"checksum":"2052daa4be5019534f3a42f200a09f32","date_updated":"2020-07-14T12:47:59Z","content_type":"application/pdf","file_name":"2020_eLife_Narasimhan.pdf","access_level":"open_access","relation":"main_file","file_id":"7494","creator":"dernst"}],"user_id":"4359f0d1-fa6c-11eb-b949-802e58b17ae8","status":"public","publication_identifier":{"eissn":["2050-084X"]},"oa":1,"tmp":{"legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","image":"/images/cc_by.png","name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)"},"type":"journal_article","date_published":"2020-01-23T00:00:00Z","language":[{"iso":"eng"}],"project":[{"call_identifier":"H2020","_id":"261099A6-B435-11E9-9278-68D0E5697425","grant_number":"742985","name":"Tracing Evolution of Auxin Transport and Polarity in Plants"},{"name":"Molecular mechanisms of endocytic cargo recognition in plants","grant_number":"I03630","call_identifier":"FWF","_id":"26538374-B435-11E9-9278-68D0E5697425"}],"oa_version":"Published Version","acknowledged_ssus":[{"_id":"LifeSc"},{"_id":"Bio"},{"_id":"EM-Fac"}],"article_number":"e52067","month":"01","has_accepted_license":"1","publication":"eLife"},{"month":"05","acknowledged_ssus":[{"_id":"Bio"},{"_id":"ScienComp"},{"_id":"M-Shop"},{"_id":"LifeSc"}],"oa_version":"Published Version","project":[{"name":"Epidemics in ant societies on a chip","grant_number":"771402","call_identifier":"H2020","_id":"2649B4DE-B435-11E9-9278-68D0E5697425"}],"has_accepted_license":"1","language":[{"iso":"eng"}],"keyword":["Social Immunity","Sanitary care","Social Insects","Organisational Immunity","Colony development","Multi-target tracking"],"supervisor":[{"orcid":"0000-0002-2193-3868","full_name":"Cremer, Sylvia M","first_name":"Sylvia M","last_name":"Cremer","id":"2F64EC8C-F248-11E8-B48F-1D18A9856A87"}],"oa":1,"publication_identifier":{"issn":["2663-337X"]},"date_published":"2019-05-07T00:00:00Z","type":"dissertation","status":"public","related_material":{"record":[{"relation":"part_of_dissertation","id":"1999","status":"public"}]},"user_id":"c635000d-4b10-11ee-a964-aac5a93f6ac1","file":[{"date_updated":"2021-02-11T11:17:15Z","content_type":"application/pdf","file_name":"tesisDoctoradoBC.pdf","date_created":"2019-05-13T09:16:20Z","embargo":"2020-05-08","checksum":"6daf2d2086111aa8fd3fbc919a3e2833","file_size":3895187,"file_id":"6438","creator":"casillas","access_level":"open_access","relation":"main_file"},{"date_updated":"2020-07-14T12:47:30Z","content_type":"application/zip","file_name":"tesisDoctoradoBC.zip","date_created":"2019-05-13T09:16:20Z","embargo_to":"open_access","file_size":7365118,"checksum":"3d221aaff7559a7060230a1ff610594f","file_id":"6439","creator":"casillas","relation":"source_file","access_level":"closed"}],"alternative_title":["ISTA Thesis"],"title":"Collective defenses of garden ants against a fungal pathogen","publication_status":"published","department":[{"_id":"SyCr"}],"article_processing_charge":"No","date_created":"2019-05-13T08:58:35Z","author":[{"full_name":"Casillas Perez, Barbara E","first_name":"Barbara E","last_name":"Casillas Perez","id":"351ED2AA-F248-11E8-B48F-1D18A9856A87"}],"_id":"6435","publisher":"Institute of Science and Technology Austria","file_date_updated":"2021-02-11T11:17:15Z","page":"183","ec_funded":1,"abstract":[{"text":"Social insect colonies tend to have numerous members which function together like a single organism in such harmony that the term ``super-organism'' is often used. In this analogy the reproductive caste is analogous to the primordial germ\r\ncells of a metazoan, while the sterile worker caste corresponds to somatic cells. The worker castes, like tissues, are\r\nin charge of all functions of a living being, besides reproduction. The establishment of new super-organismal units\r\n(i.e. new colonies) is accomplished by the co-dependent castes. The term oftentimes goes beyond a metaphor. We invoke it when we speak about the metabolic rate, thermoregulation, nutrient regulation and gas exchange of a social insect colony. Furthermore, we assert that the super-organism has an immune system, and benefits from ``social immunity''.\r\n\r\nSocial immunity was first summoned by evolutionary biologists to resolve the apparent discrepancy between the expected high frequency of disease outbreak amongst numerous, closely related tightly-interacting hosts, living in stable and microbially-rich environments, against the exceptionally scarce epidemic accounts in natural populations. Social\r\nimmunity comprises a multi-layer assembly of behaviours which have evolved to effectively keep the pathogenic enemies of a colony at bay. The field of social immunity has drawn interest, as it becomes increasingly urgent to stop\r\nthe collapse of pollinator species and curb the growth of invasive pests. In the past decade, several mechanisms of\r\nsocial immune responses have been dissected, but many more questions remain open.\r\n\r\nI present my work in two experimental chapters. In the first, I use invasive garden ants (*Lasius neglectus*) to study how pathogen load and its distribution among nestmates affect the grooming response of the group. Any given group of ants will carry out the same total grooming work, but will direct their grooming effort towards individuals\r\ncarrying a relatively higher spore load. Contrary to expectation, the highest risk of transmission does not stem from grooming highly contaminated ants, but instead, we suggest that the grooming response likely minimizes spore loss to the environment, reducing contamination from inadvertent pickup from the substrate.\r\n\r\nThe second is a comparative developmental approach. I follow black garden ant queens (*Lasius niger*) and their colonies from mating flight, through hibernation for a year. Colonies which grow fast from the start, have a lower chance of survival through hibernation, and those which survive grow at a lower pace later. This is true for colonies of naive\r\nand challenged queens. Early pathogen exposure of the queens changes colony dynamics in an unexpected way: colonies from exposed queens are more likely to grow slowly and recover in numbers only after they survive hibernation.\r\n\r\nIn addition to the two experimental chapters, this thesis includes a co-authored published review on organisational\r\nimmunity, where we enlist the experimental evidence and theoretical framework on which this hypothesis is built,\r\nidentify the caveats and underline how the field is ripe to overcome them. In a final chapter, I describe my part in\r\ntwo collaborative efforts, one to develop an image-based tracker, and the second to develop a classifier for ant\r\nbehaviour.","lang":"eng"}],"doi":"10.15479/AT:ISTA:6435","degree_awarded":"PhD","day":"07","date_updated":"2023-09-07T12:57:04Z","citation":{"mla":"Casillas Perez, Barbara E. <i>Collective Defenses of Garden Ants against a Fungal Pathogen</i>. Institute of Science and Technology Austria, 2019, doi:<a href=\"https://doi.org/10.15479/AT:ISTA:6435\">10.15479/AT:ISTA:6435</a>.","short":"B.E. Casillas Perez, Collective Defenses of Garden Ants against a Fungal Pathogen, Institute of Science and Technology Austria, 2019.","ista":"Casillas Perez BE. 2019. Collective defenses of garden ants against a fungal pathogen. Institute of Science and Technology Austria.","apa":"Casillas Perez, B. E. (2019). <i>Collective defenses of garden ants against a fungal pathogen</i>. Institute of Science and Technology Austria. <a href=\"https://doi.org/10.15479/AT:ISTA:6435\">https://doi.org/10.15479/AT:ISTA:6435</a>","ama":"Casillas Perez BE. Collective defenses of garden ants against a fungal pathogen. 2019. doi:<a href=\"https://doi.org/10.15479/AT:ISTA:6435\">10.15479/AT:ISTA:6435</a>","ieee":"B. E. Casillas Perez, “Collective defenses of garden ants against a fungal pathogen,” Institute of Science and Technology Austria, 2019.","chicago":"Casillas Perez, Barbara E. “Collective Defenses of Garden Ants against a Fungal Pathogen.” Institute of Science and Technology Austria, 2019. <a href=\"https://doi.org/10.15479/AT:ISTA:6435\">https://doi.org/10.15479/AT:ISTA:6435</a>."},"year":"2019","ddc":["570","006","578","592"]},{"author":[{"last_name":"Liutkeviciute","first_name":"Zita","full_name":"Liutkeviciute, Zita"},{"full_name":"Gil Mansilla, Esther","first_name":"Esther","last_name":"Gil Mansilla"},{"full_name":"Eder, Thomas","last_name":"Eder","first_name":"Thomas"},{"last_name":"Casillas Perez","first_name":"Barbara E","full_name":"Casillas Perez, Barbara E","id":"351ED2AA-F248-11E8-B48F-1D18A9856A87"},{"last_name":"Giulia Di Giglio","first_name":"Maria","full_name":"Giulia Di Giglio, Maria"},{"last_name":"Muratspahić","first_name":"Edin","full_name":"Muratspahić, Edin"},{"first_name":"Florian","last_name":"Grebien","full_name":"Grebien, Florian"},{"first_name":"Thomas","last_name":"Rattei","full_name":"Rattei, Thomas"},{"full_name":"Muttenthaler, Markus","last_name":"Muttenthaler","first_name":"Markus"},{"id":"2F64EC8C-F248-11E8-B48F-1D18A9856A87","last_name":"Cremer","first_name":"Sylvia","full_name":"Cremer, Sylvia","orcid":"0000-0002-2193-3868"},{"first_name":"Christian","last_name":"Gruber","full_name":"Gruber, Christian"}],"issue":"12","_id":"194","pmid":1,"scopus_import":"1","title":"Oxytocin-like signaling in ants influences metabolic gene expression and locomotor activity","intvolume":"        32","publication_status":"published","department":[{"_id":"SyCr"}],"article_processing_charge":"No","date_created":"2018-12-11T11:45:08Z","page":"6808-6821","quality_controlled":"1","article_type":"original","publisher":"FASEB","isi":1,"external_id":{"pmid":["29939785"],"isi":["000449359700035"]},"date_updated":"2023-09-13T09:37:32Z","citation":{"ieee":"Z. Liutkeviciute <i>et al.</i>, “Oxytocin-like signaling in ants influences metabolic gene expression and locomotor activity,” <i>The FASEB Journal</i>, vol. 32, no. 12. FASEB, pp. 6808–6821, 2018.","chicago":"Liutkeviciute, Zita, Esther Gil Mansilla, Thomas Eder, Barbara E Casillas Perez, Maria Giulia Di Giglio, Edin Muratspahić, Florian Grebien, et al. “Oxytocin-like Signaling in Ants Influences Metabolic Gene Expression and Locomotor Activity.” <i>The FASEB Journal</i>. FASEB, 2018. <a href=\"https://doi.org/10.1096/fj.201800443\">https://doi.org/10.1096/fj.201800443</a>.","apa":"Liutkeviciute, Z., Gil Mansilla, E., Eder, T., Casillas Perez, B. E., Giulia Di Giglio, M., Muratspahić, E., … Gruber, C. (2018). Oxytocin-like signaling in ants influences metabolic gene expression and locomotor activity. <i>The FASEB Journal</i>. FASEB. <a href=\"https://doi.org/10.1096/fj.201800443\">https://doi.org/10.1096/fj.201800443</a>","ama":"Liutkeviciute Z, Gil Mansilla E, Eder T, et al. Oxytocin-like signaling in ants influences metabolic gene expression and locomotor activity. <i>The FASEB Journal</i>. 2018;32(12):6808-6821. doi:<a href=\"https://doi.org/10.1096/fj.201800443\">10.1096/fj.201800443</a>","ista":"Liutkeviciute Z, Gil Mansilla E, Eder T, Casillas Perez BE, Giulia Di Giglio M, Muratspahić E, Grebien F, Rattei T, Muttenthaler M, Cremer S, Gruber C. 2018. Oxytocin-like signaling in ants influences metabolic gene expression and locomotor activity. The FASEB Journal. 32(12), 6808–6821.","short":"Z. Liutkeviciute, E. Gil Mansilla, T. Eder, B.E. Casillas Perez, M. Giulia Di Giglio, E. Muratspahić, F. Grebien, T. Rattei, M. Muttenthaler, S. Cremer, C. Gruber, The FASEB Journal 32 (2018) 6808–6821.","mla":"Liutkeviciute, Zita, et al. “Oxytocin-like Signaling in Ants Influences Metabolic Gene Expression and Locomotor Activity.” <i>The FASEB Journal</i>, vol. 32, no. 12, FASEB, 2018, pp. 6808–21, doi:<a href=\"https://doi.org/10.1096/fj.201800443\">10.1096/fj.201800443</a>."},"year":"2018","abstract":[{"text":"Ants are emerging model systems to study cellular signaling because distinct castes possess different physiologic phenotypes within the same colony. Here we studied the functionality of inotocin signaling, an insect ortholog of mammalian oxytocin (OT), which was recently discovered in ants. In Lasius ants, we determined that specialization within the colony, seasonal factors, and physiologic conditions down-regulated the expression of the OT-like signaling system. Given this natural variation, we interrogated its function using RNAi knockdowns. Next-generation RNA sequencing of OT-like precursor knock-down ants highlighted its role in the regulation of genes involved in metabolism. Knock-down ants exhibited higher walking activity and increased self-grooming in the brood chamber. We propose that OT-like signaling in ants is important for regulating metabolic processes and locomotion.","lang":"eng"}],"doi":"10.1096/fj.201800443","day":"29","volume":32,"publication":"The FASEB Journal","month":"11","oa_version":"Published Version","project":[{"name":"Individual function and social role of oxytocin-like neuropeptides in ants","_id":"25E3D34E-B435-11E9-9278-68D0E5697425"}],"language":[{"iso":"eng"}],"date_published":"2018-11-29T00:00:00Z","type":"journal_article","oa":1,"publist_id":"7721","publication_identifier":{"issn":["08926638"]},"status":"public","user_id":"c635000d-4b10-11ee-a964-aac5a93f6ac1","main_file_link":[{"url":" https://doi.org/10.1096/fj.201800443","open_access":"1"}]},{"status":"public","related_material":{"record":[{"relation":"dissertation_contains","id":"6383"},{"id":"6435","relation":"dissertation_contains","status":"public"}]},"user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","date_published":"2014-11-01T00:00:00Z","type":"journal_article","publist_id":"5080","language":[{"iso":"eng"}],"publication":"Current Opinion in Insect Science","oa_version":"None","project":[{"_id":"25DC711C-B435-11E9-9278-68D0E5697425","call_identifier":"FP7","name":"Social Vaccination in Ant Colonies: from Individual Mechanisms to Society Effects","grant_number":"243071"}],"month":"11","volume":5,"date_updated":"2024-03-25T23:30:04Z","citation":{"ista":"Stroeymeyt N, Casillas Perez BE, Cremer S. 2014. Organisational immunity in social insects. Current Opinion in Insect Science. 5(1), 1–15.","mla":"Stroeymeyt, Nathalie, et al. “Organisational Immunity in Social Insects.” <i>Current Opinion in Insect Science</i>, vol. 5, no. 1, Elsevier, 2014, pp. 1–15, doi:<a href=\"https://doi.org/10.1016/j.cois.2014.09.001\">10.1016/j.cois.2014.09.001</a>.","short":"N. Stroeymeyt, B.E. Casillas Perez, S. Cremer, Current Opinion in Insect Science 5 (2014) 1–15.","chicago":"Stroeymeyt, Nathalie, Barbara E Casillas Perez, and Sylvia Cremer. “Organisational Immunity in Social Insects.” <i>Current Opinion in Insect Science</i>. Elsevier, 2014. <a href=\"https://doi.org/10.1016/j.cois.2014.09.001\">https://doi.org/10.1016/j.cois.2014.09.001</a>.","ieee":"N. Stroeymeyt, B. E. Casillas Perez, and S. Cremer, “Organisational immunity in social insects,” <i>Current Opinion in Insect Science</i>, vol. 5, no. 1. Elsevier, pp. 1–15, 2014.","apa":"Stroeymeyt, N., Casillas Perez, B. E., &#38; Cremer, S. (2014). Organisational immunity in social insects. <i>Current Opinion in Insect Science</i>. Elsevier. <a href=\"https://doi.org/10.1016/j.cois.2014.09.001\">https://doi.org/10.1016/j.cois.2014.09.001</a>","ama":"Stroeymeyt N, Casillas Perez BE, Cremer S. Organisational immunity in social insects. <i>Current Opinion in Insect Science</i>. 2014;5(1):1-15. doi:<a href=\"https://doi.org/10.1016/j.cois.2014.09.001\">10.1016/j.cois.2014.09.001</a>"},"year":"2014","doi":"10.1016/j.cois.2014.09.001","day":"01","abstract":[{"lang":"eng","text":"Selection for disease control is believed to have contributed to shape the organisation of insect societies — leading to interaction patterns that mitigate disease transmission risk within colonies, conferring them ‘organisational immunity’. Recent studies combining epidemiological models with social network analysis have identified general properties of interaction networks that may hinder propagation of infection within groups. These can be prophylactic and/or induced upon pathogen exposure. Here we review empirical evidence for these two types of organisational immunity in social insects and describe the individual-level behaviours that underlie it. We highlight areas requiring further investigation, and emphasise the need for tighter links between theory and empirical research and between individual-level and collective-level analyses."}],"page":"1 - 15","quality_controlled":"1","ec_funded":1,"publisher":"Elsevier","_id":"1999","scopus_import":1,"author":[{"full_name":"Stroeymeyt, Nathalie","first_name":"Nathalie","last_name":"Stroeymeyt"},{"full_name":"Casillas Perez, Barbara E","last_name":"Casillas Perez","first_name":"Barbara E","id":"351ED2AA-F248-11E8-B48F-1D18A9856A87"},{"id":"2F64EC8C-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0002-2193-3868","full_name":"Cremer, Sylvia","first_name":"Sylvia","last_name":"Cremer"}],"issue":"1","publication_status":"published","date_created":"2018-12-11T11:55:08Z","department":[{"_id":"SyCr"}],"title":"Organisational immunity in social insects","intvolume":"         5"}]