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| Pseudo Response Regulators Regulate Photoperiodic Hypocotyl Growth by RepressingPIF4/5Transcription(1)([OPEN]) | |
Li, Na1; Zhang, Yuanyuan; He, Yuqing1; Wang, Yan1; Wang, Lei1
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| 2020 | |
| Source Publication | PLANT PHYSIOLOGY
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| ISSN | 0032-0889 |
| Volume | 183Issue:2Pages:686-699 |
| Abstract | The circadian clock measures and conveys daylength information to control rhythmic hypocotyl growth in photoperiodic conditions to achieve optimal fitness, but it operates through largely unknown mechanisms. Here, we show that Pseudo Response Regulators (PRRs) coordinate with the Evening Complex (EC), a transcriptional repressor complex within the clock core oscillator, to specifically regulate photoperiodic hypocotyl growth in Arabidopsis (Arabidopsis thaliana). Intriguingly, a distinct daylength could shift the expression phase and extend the expression duration of PRRs. Multiple lines of evidence have further demonstrated that PRRs directly bind the promoters ofPHYTOCHROME-INTERACTING FACTOR4(PIF4) andPIF5to repress their expression, hence PRRs act as transcriptional repressors of the positive growth regulatorsPIF4andPIF5. Importantly, mutation or truncation of the TIMING OF CAB EXPRESSION1 (TOC1) DNA binding domain, without compromising its physical interaction with PIFs, still caused long hypocotyl growth under short days, highlighting the essential role of the PRR-PIFtranscriptional module in photoperiodic hypocotyl growth. Finally, genetic analyses have demonstrated thatPIF4andPIF5are epistatic toPRRsin the regulation of photoperiodic hypocotyl growth. Collectively, we propose that, upon perceiving daylength information, PRRs cooperate with EC to directly repressPIF4andPIF5transcription together with their posttranslational regulation of PIF activities, thus forming a complex regulatory network to mediate circadian clock-regulated photoperiodic growth. Pseudo Response Regulator proteins and the Evening Complex transmit daylength information to regulate photoperiodic hypocotyl growth by directly repressing transcription of key growth regulators. |
| Subject Area | Plant Sciences |
| DOI | 10.1104/pp.19.01599 |
| Indexed By | SCI |
| Language | 英语 |
| WOS Keyword | ARABIDOPSIS CIRCADIAN CLOCK ; INDUCED LEAF SENESCENCE ; PLANT-GROWTH ; COINCIDENCE MECHANISM ; RED-LIGHT ; TOC1 ; PHOSPHORYLATION ; PROTEIN ; ELONGATION ; EXPRESSION |
| WOS Research Area | Plant Sciences |
| WOS ID | WOS:000541865100035 |
| Publisher | AMER SOC PLANT BIOLOGISTS |
| Subtype | Article |
| Publication Place | ROCKVILLE |
| EISSN | 1532-2548 |
| Funding Organization | Strategic Priority Research Program of the Chinese Academy of Sciences (CAS) [XDB27030206] ; National Natural Sciences Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31670290, 31570292] ; Youth Innovation Promotion Association CAS [2017110] |
| Corresponding Author Email | wanglei@ibcas.ac.cn |
| OA | hybrid, Green Published |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.ibcas.ac.cn/handle/2S10CLM1/21711 |
| Collection | 中科院植物分子生理学重点实验室 |
| Affiliation | 1.Chinese Acad Sci, CAS Ctr Excellence Mol Plant Sci, Inst Bot, Key Lab Plant Mol Physiol, Beijing 100093, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China |
| Recommended Citation GB/T 7714 | Li, Na,Zhang, Yuanyuan,He, Yuqing,et al. Pseudo Response Regulators Regulate Photoperiodic Hypocotyl Growth by RepressingPIF4/5Transcription(1)([OPEN])[J]. PLANT PHYSIOLOGY,2020,183(2):686-699. |
| APA | Li, Na,Zhang, Yuanyuan,He, Yuqing,Wang, Yan,&Wang, Lei.(2020).Pseudo Response Regulators Regulate Photoperiodic Hypocotyl Growth by RepressingPIF4/5Transcription(1)([OPEN]).PLANT PHYSIOLOGY,183(2),686-699. |
| MLA | Li, Na,et al."Pseudo Response Regulators Regulate Photoperiodic Hypocotyl Growth by RepressingPIF4/5Transcription(1)([OPEN])".PLANT PHYSIOLOGY 183.2(2020):686-699. |
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| Li-2020-Pseudo Respo（2347KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | View Application Full Text | |
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