---
_id: '8606'
abstract:
- lang: eng
text: The leaf is a crucial organ evolved with remarkable morphological diversity
to maximize plant photosynthesis. The leaf shape is a key trait that affects photosynthesis,
flowering rates, disease resistance, and yield. Although many genes regulating
leaf development have been identified in the past years, the precise regulatory
architecture underlying the generation of diverse leaf shapes remains to be elucidated.
We used cotton as a reference model to probe the genetic framework underlying
divergent leaf forms. Comparative transcriptome analysis revealed that the GhARF16‐1
and GhKNOX2‐1 genes might be potential regulators of leaf shape. We functionally
characterized the auxin‐responsive factor ARF16‐1 acting upstream of GhKNOX2‐1
to determine leaf morphology in cotton. The transcription of GhARF16‐1 was significantly
higher in lobed‐leaved cotton than in smooth‐leaved cotton. Furthermore, the overexpression
of GhARF16‐1 led to the upregulation of GhKNOX2‐1 and resulted in more and deeper
serrations in cotton leaves, similar to the leaf shape of cotton plants overexpressing
GhKNOX2‐1. We found that GhARF16‐1 specifically bound to the promoter of GhKNOX2‐1
to induce its expression. The heterologous expression of GhARF16‐1 and GhKNOX2‐1
in Arabidopsis led to lobed and curly leaves, and a genetic analysis revealed
that GhKNOX2‐1 is epistatic to GhARF16‐1 in Arabidopsis, suggesting that the GhARF16‐1
and GhKNOX2‐1 interaction paradigm also functions to regulate leaf shape in Arabidopsis.
To our knowledge, our results uncover a novel mechanism by which auxin, through
the key component ARF16‐1 and its downstream‐activated gene KNOX2‐1, determines
leaf morphology in eudicots.
acknowledgement: We are thankful to Professor Yuxian Zhu from Wuhan University for
his extremely valuable remarks and helpful comments on the manuscript. This work
was supported by the Shaanxi Natural Science Foundation (2019JQ‐062 and 2020JQ‐410),
Shaanxi Youth Entrusted Talents Program (20190205), China Postdoctoral Science Foundation
(2018M640947, 2020T130394), Shaanxi Postdoctoral Project (2018BSHYDZZ76), Natural
Science Basic Research Plan in Shaanxi Province of China (2018JZ3006), Fundamental
Research Funds for the Central Universities (GK201903064, GK201901004, GK202002005
and GK202001004), and State Key Laboratory of Cotton Biology Open Fund (CB2020A12).
article_processing_charge: No
article_type: original
author:
- first_name: P
full_name: He, P
last_name: He
- first_name: Yuzhou
full_name: Zhang, Yuzhou
id: 3B6137F2-F248-11E8-B48F-1D18A9856A87
last_name: Zhang
orcid: 0000-0003-2627-6956
- first_name: H
full_name: Li, H
last_name: Li
- first_name: X
full_name: Fu, X
last_name: Fu
- first_name: H
full_name: Shang, H
last_name: Shang
- first_name: C
full_name: Zou, C
last_name: Zou
- first_name: Jiří
full_name: Friml, Jiří
id: 4159519E-F248-11E8-B48F-1D18A9856A87
last_name: Friml
orcid: 0000-0002-8302-7596
- first_name: G
full_name: Xiao, G
last_name: Xiao
citation:
ama: He P, Zhang Y, Li H, et al. GhARF16-1 modulates leaf development by transcriptionally
regulating the GhKNOX2-1 gene in cotton. Plant Biotechnology Journal. 2021;19(3):548-562.
doi:10.1111/pbi.13484
apa: He, P., Zhang, Y., Li, H., Fu, X., Shang, H., Zou, C., … Xiao, G. (2021). GhARF16-1
modulates leaf development by transcriptionally regulating the GhKNOX2-1 gene
in cotton. Plant Biotechnology Journal. Wiley. https://doi.org/10.1111/pbi.13484
chicago: He, P, Yuzhou Zhang, H Li, X Fu, H Shang, C Zou, Jiří Friml, and G Xiao.
“GhARF16-1 Modulates Leaf Development by Transcriptionally Regulating the GhKNOX2-1
Gene in Cotton.” Plant Biotechnology Journal. Wiley, 2021. https://doi.org/10.1111/pbi.13484.
ieee: P. He et al., “GhARF16-1 modulates leaf development by transcriptionally
regulating the GhKNOX2-1 gene in cotton,” Plant Biotechnology Journal,
vol. 19, no. 3. Wiley, pp. 548–562, 2021.
ista: He P, Zhang Y, Li H, Fu X, Shang H, Zou C, Friml J, Xiao G. 2021. GhARF16-1
modulates leaf development by transcriptionally regulating the GhKNOX2-1 gene
in cotton. Plant Biotechnology Journal. 19(3), 548–562.
mla: He, P., et al. “GhARF16-1 Modulates Leaf Development by Transcriptionally Regulating
the GhKNOX2-1 Gene in Cotton.” Plant Biotechnology Journal, vol. 19, no.
3, Wiley, 2021, pp. 548–62, doi:10.1111/pbi.13484.
short: P. He, Y. Zhang, H. Li, X. Fu, H. Shang, C. Zou, J. Friml, G. Xiao, Plant
Biotechnology Journal 19 (2021) 548–562.
date_created: 2020-10-05T12:44:33Z
date_published: 2021-03-01T00:00:00Z
date_updated: 2023-08-04T11:03:10Z
day: '01'
ddc:
- '580'
department:
- _id: JiFr
doi: 10.1111/pbi.13484
external_id:
isi:
- '000577682300001'
pmid:
- '32981232'
file:
- access_level: open_access
checksum: 63845be37fb962586e0c7773f2355970
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creator: dernst
date_created: 2021-04-12T12:29:07Z
date_updated: 2021-04-12T12:29:07Z
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file_name: 2021_PlantBiotechJournal_He.pdf
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has_accepted_license: '1'
intvolume: ' 19'
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issue: '3'
language:
- iso: eng
license: https://creativecommons.org/licenses/by/4.0/
month: '03'
oa: 1
oa_version: Published Version
page: 548-562
pmid: 1
publication: Plant Biotechnology Journal
publication_identifier:
issn:
- 1467-7644
- 1467-7652
publication_status: published
publisher: Wiley
quality_controlled: '1'
scopus_import: '1'
status: public
title: GhARF16-1 modulates leaf development by transcriptionally regulating the GhKNOX2-1
gene in cotton
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: 19
year: '2021'
...