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A clock regulatory module is required for salt tolerance and control of heading date in rice
Wang, Xiling1; He, Yuqing1; Wei, Hua1; Wang, Lei1
2021
发表期刊PLANT CELL AND ENVIRONMENT
ISSN0140-7791
卷号44期号:10页码:3283-3301
摘要The circadian clock plays multiple roles in plant stress responses and developmental transition phases. Nevertheless, the underlying molecular mechanisms and individual clock components that coordinately regulate important agronomic traits of rice such as salt tolerance and heading date remain to be elucidated. Here, we identify a rice ternary repressive protein complex composed of OsELF4a, OsELF3-1 and OsLUX, which was designated as OsEC1 in analogy to a similar complex in Arabidopsis. OsELF4a physically interacts with OsELF3-1 and OsELF3-2 in nucleus, whilst OsELF3-1 rather than OsELF3-2 strongly interacts with OsLUX, a Myb-domain containing transcriptional factor. Phenotypic analyses show a role for this complex in heading and salt tolerance. The loss-of-function mutants of OsEC1 exhibit lower survival rate under salt stress and late heading date. Transcriptomic profiling together with biochemical assays identified the GIGANTEA homologue OsGI as a direct transcriptional target of OsEC1. Notably, the osgi-101 mutant, generated by CRISPR/Cas9, is salt tolerant and exhibits early heading date in long day conditions. Together, our findings characterized a transcriptional module in rice composed by the OsEC1 repressing OsGI, which links the circadian clock with salt tolerance and control of heading date.
关键词OsELF4a OsGI salt stress
学科领域Plant Sciences
DOI10.1111/pce.14167
收录类别SCI
语种英语
WOS关键词EC NIGHTTIME REPRESSOR ; CIRCADIAN CLOCK ; TRANSCRIPTIONAL CIRCUITRY ; NATURAL VARIATION ; LEAF SENESCENCE ; ADAPTATION ; GIGANTEA ; ENCODES ; PROTEIN ; PLAYS
WOS研究方向Science Citation Index Expanded (SCI-EXPANDED)
WOS记录号WOS:000693911000001
出版者WILEY
文献子类Article
出版地HOBOKEN
EISSN1365-3040
资助机构National Natural Science Foundation of China [31770287] ; National Key Research and Development Program of China [2016YFD0100604] ; Strategic Priority Research Program of the Chinese Academy of Sciences [XDB27030206]
作者邮箱wanglei@ibcas.ac.cn
引用统计
被引频次:27[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/2S10CLM1/26426
专题中科院植物分子生理学重点实验室
作者单位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, Peoples R China
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GB/T 7714
Wang, Xiling,He, Yuqing,Wei, Hua,et al. A clock regulatory module is required for salt tolerance and control of heading date in rice[J]. PLANT CELL AND ENVIRONMENT,2021,44(10):3283-3301.
APA Wang, Xiling,He, Yuqing,Wei, Hua,&Wang, Lei.(2021).A clock regulatory module is required for salt tolerance and control of heading date in rice.PLANT CELL AND ENVIRONMENT,44(10),3283-3301.
MLA Wang, Xiling,et al."A clock regulatory module is required for salt tolerance and control of heading date in rice".PLANT CELL AND ENVIRONMENT 44.10(2021):3283-3301.
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