FAR-RED ELONGATED HYPOCOTYL3 and FAR-RED IMPAIRED RESPONSE1 Transcription Factors Integrate Light and Abscisic Acid Signaling in Arabidopsis

doi:10.1104/pp.113.224386

IB-CAS > 中科院光生物学重点实验室

	FAR-RED ELONGATED HYPOCOTYL3 and FAR-RED IMPAIRED RESPONSE1 Transcription Factors Integrate Light and Abscisic Acid Signaling in Arabidopsis
	Tang, Weijiang ; Ji, Qiang 1; Huang, Yongping 2; Jiang, Zhimin 1; Bao, Manzhu 2; Wang, Haiyang 3; Lin, Rongcheng4
	2013
发表期刊	PLANT PHYSIOLOGY
ISSN	0032-0889
卷号	163 期号:2 页码:857-866
摘要	Light and the phytohormone abscisic acid (ABA) regulate overlapping processes in plants, such as seed germination and seedling development. However, the molecular mechanism underlying the interaction between light and ABA signaling is largely unknown. Here, we show that FAR-RED ELONGATED HYPOCOTYL3 (FHY3) and FAR-RED IMPAIRED RESPONSE1 (FAR1), two key positive transcription factors in the phytochrome A pathway, directly bind to the promoter of ABA-Insensitive5 and activate its expression in Arabidopsis (Arabidopsis thaliana). Disruption of FHY3 and/or FAR1 reduces the sensitivity to ABA-mediated inhibition of seed germination, seedling development, and primary root growth. The seed germination of the fhy3 mutant is also less sensitive to salt and osmotic stress than that of the wild type. Constitutive expression of ABA-Insensitive5 restores the seed germination response of fhy3. Furthermore, the expression of several ABA-responsive genes is decreased in the fhy3 and/or far1 mutants during seed imbibition. Consistently, FHY3 and FAR1 transcripts are up-regulated by ABA and abiotic stresses. Moreover, the fhy3 and far1 mutants have wider stomata, lose water faster, and are more sensitive to drought than the wild type. These findings demonstrate that FHY3 and FAR1 are positive regulators of ABA signaling and provide insight into the integration of light and ABA signaling, a process that may allow plants to better adapt to environmental stresses.
学科领域	Plant Sciences
DOI	10.1104/pp.113.224386
收录类别	SCI
语种	英语
WOS关键词	NEGATIVE REGULATOR ; SEED-GERMINATION ; GENE-EXPRESSION ; PHYTOCHROME ; PROTEIN ; FHY3 ; BINDING ; STRESS ; PIL5 ; ABI3
WOS研究方向	Science Citation Index Expanded (SCI-EXPANDED)
WOS记录号	WOS:000325554100036
出版者	OXFORD UNIV PRESS INC
文献子类	Article
出版地	CARY
EISSN	1532-2548
资助机构	National Natural Science Foundation of China(National Natural Science Foundation of China (NSFC)) ; Chinese Academy of Sciences(Chinese Academy of Sciences)
作者邮箱	Lin, Rongcheng/I-8105-2014
作品OA属性	Green Accepted
引用统计	被引频次：98[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/2S10CLM1/27900
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.Huazhong Agr Univ, Coll Hort & Forestry Sci, Wuhan 430070, Peoples R China 4.Chinese Acad Agr Sci, Biotechnol Res Inst, Beijing 100081, Peoples R China 5.Natl Ctr Plant Gene Res, Beijing 100093, Peoples R China
推荐引用方式 GB/T 7714	Tang, Weijiang,Ji, Qiang,Huang, Yongping,et al. FAR-RED ELONGATED HYPOCOTYL3 and FAR-RED IMPAIRED RESPONSE1 Transcription Factors Integrate Light and Abscisic Acid Signaling in Arabidopsis[J]. PLANT PHYSIOLOGY,2013,163(2):857-866.
APA	Tang, Weijiang.,Ji, Qiang.,Huang, Yongping.,Jiang, Zhimin.,Bao, Manzhu.,...&Lin, Rongcheng.(2013).FAR-RED ELONGATED HYPOCOTYL3 and FAR-RED IMPAIRED RESPONSE1 Transcription Factors Integrate Light and Abscisic Acid Signaling in Arabidopsis.PLANT PHYSIOLOGY,163(2),857-866.
MLA	Tang, Weijiang,et al."FAR-RED ELONGATED HYPOCOTYL3 and FAR-RED IMPAIRED RESPONSE1 Transcription Factors Integrate Light and Abscisic Acid Signaling in Arabidopsis".PLANT PHYSIOLOGY 163.2(2013):857-866.

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