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PIF1 and RVE1 form a transcriptional feedback loop to control light-mediated seed germination in Arabidopsis
Yang, Liwen; Jiang, Zhimin; Jing, Yanjun; Lin, Rongcheng1,2
2020
发表期刊JOURNAL OF INTEGRATIVE PLANT BIOLOGY
ISSN1672-9072
卷号62期号:9页码:1372-1384
摘要The phytochrome B (phyB) photoreceptor plays a major role that inputs light signals to regulate seed dormancy and germination. PHYTOCHROME-INTERACTING FACTOR1 (PIF1) is a key transcription factor repressing phyB-mediated seed germination, while REVEILLE1 (RVE1) factor functions as a curial regulator in controlling both seed dormancy and germination. However, the relationship between the PIF1- and RVE1-modulated signaling pathways remains mostly unknown. Here, we find that PIF1 physically interacts with RVE1. Genetic analysis indicates that RVE1 inhibition on seed germination requires PIF1; reciprocally, the repressive effect of PIF1 is partially dependent on RVE1. Strikingly, PIF1 and RVE1 directly bind to the promoter and activate the expression of each other. Furthermore, PIF1 and RVE1 coordinately regulate the transcription of many downstream genes involved in abscisic acid and gibberellin pathways. Moreover, PIF1 enhances the DNA-binding ability and transcriptional repression activity of RVE1 in regulating GIBBERELLIN 3-OXIDASE2, and RVE1 promotes PIF1's DNA-binding ability in modulating ABSCISIC ACID-INSENSITIVE3 expression. Thus, this study demonstrates that PIF1 and RVE1 form a transcriptional feedback loop that coordinately inhibits seed germination, providing a mechanistic understanding of how phyB-mediated light signal is transduced to the seeds.
关键词phytochrome seed germination transcription factor
学科领域Biochemistry & Molecular Biology ; Plant Sciences
DOI10.1111/jipb.12938
收录类别SCI
语种英语
WOS关键词PHYTOCHROME-INTERACTING FACTOR ; NEGATIVE REGULATOR ; HORMONAL-REGULATION ; PROTEIN ; PIL5 ; DORMANCY ; DEGRADATION ; REVEILLE1 ; GIBBERELLIN ; EXPRESSION
WOS研究方向Biochemistry & Molecular Biology ; Plant Sciences
WOS记录号WOS:000531822300001
出版者WILEY
文献子类Article
出版地HOBOKEN
EISSN1744-7909
资助机构National Key Research and Development Program of China [2016YFD0100405] ; Ministry of Agriculture of ChinaMinistry of Agriculture, China [2016ZX08009-003] ; Postdoctoral Science Foundation of ChinaChina Postdoctoral Science Foundation [2018M641520]
作者邮箱rclin@ibcas.ac.cn
作品OA属性Bronze
引用统计
被引频次:26[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ibcas.ac.cn/handle/2S10CLM1/21765
专题中科院光生物学重点实验室
作者单位1.Chinese Acad Sci, Inst Bot, Key Lab Photobiol, Beijing 100093, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Bot, CAS Ctr Excellence Mol Plant Sci, Beijing 100093, Peoples R China
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GB/T 7714
Yang, Liwen,Jiang, Zhimin,Jing, Yanjun,et al. PIF1 and RVE1 form a transcriptional feedback loop to control light-mediated seed germination in Arabidopsis[J]. JOURNAL OF INTEGRATIVE PLANT BIOLOGY,2020,62(9):1372-1384.
APA Yang, Liwen,Jiang, Zhimin,Jing, Yanjun,&Lin, Rongcheng.(2020).PIF1 and RVE1 form a transcriptional feedback loop to control light-mediated seed germination in Arabidopsis.JOURNAL OF INTEGRATIVE PLANT BIOLOGY,62(9),1372-1384.
MLA Yang, Liwen,et al."PIF1 and RVE1 form a transcriptional feedback loop to control light-mediated seed germination in Arabidopsis".JOURNAL OF INTEGRATIVE PLANT BIOLOGY 62.9(2020):1372-1384.
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