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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1111/nph.18442
|2 doi
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|a pubmed24n1151.xml
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|a (NLM)36028981
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|a DE-627
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|a eng
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|a Li, Wei
|e verfasserin
|4 aut
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|a A competition-attenuation mechanism modulates thermoresponsive growth at warm temperatures in plants
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 07.12.2022
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|a Date Revised 14.12.2022
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|a published: Print-Electronic
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|a CommentIn: New Phytol. 2023 Jan;237(1):9-11. - PMID 36367054
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|a Citation Status MEDLINE
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|a © 2022 The Authors. New Phytologist © 2022 New Phytologist Foundation.
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|a Global warming has profound impact on growth and development, and plants constantly adjust their internal circadian clock to cope with external environment. However, how clock-associated genes fine-tune thermoresponsive growth in plants is little understood. We found that loss-of-function mutation of REVEILLE5 (RVE5) reduces the expression of circadian gene EARLY FLOWERING 4 (ELF4) in Arabidopsis, and confers accelerated hypocotyl growth under warm-temperature conditions. Both RVE5 and CIRCADIAN CLOCK ASSOCIATED 1 (CCA1) accumulate at warm temperatures and bind to the same EE cis-element presented on ELF4 promoter, but the transcriptional repression activity of RVE5 is weaker than that of CCA1. The binding of CCA1 to ELF4 promoter is enhanced in the rve5-2 mutant at warm temperatures, and overexpression of ELF4 in the rve5-2 mutant background suppresses the rve5-2 mutant phenotype at warm temperatures. Therefore, the transcriptional repressor RVE5 finetunes ELF4 expression via competing at a cis-element with the stronger transcriptional repressor CCA1 at warm temperatures. Such a competition-attenuation mechanism provides a balancing system for modulating the level of ELF4 and thermoresponsive hypocotyl growth under warm-temperature conditions
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Arabidopsis thaliana
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|a RVE5
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|a hypocotyl growth
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| 650 |
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|a thermomorphogenesis
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|a warm temperature
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| 650 |
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|a Arabidopsis Proteins
|2 NLM
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| 700 |
1 |
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|a Tian, Ying-Ying
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Jin-Yu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yuan, Li
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Lin-Lin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Zhi-Ye
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xu, Xiaodong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Davis, Seth Jon
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Jian-Xiang
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 237(2023), 1 vom: 19. Jan., Seite 177-191
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:237
|g year:2023
|g number:1
|g day:19
|g month:01
|g pages:177-191
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|u http://dx.doi.org/10.1111/nph.18442
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