Signal transduction mediated by the plant UV-B photoreceptor UVR8

被引：100
作者：
Liang, Tong [1 ,2 ]
Yang, Yu [1 ,2 ]
Liu, Hongtao [1 ]
机构：
[1] Chinese Acad Sci, Inst Plant Physiol & Ecol SIPPE, CAS Ctr Excellence Mol Plant Sci, NKLPMG, Shanghai 200032, Peoples R China
[2] Univ Chinese Acad Sci, Shanghai 200032, Peoples R China
来源：
NEW PHYTOLOGIST | 2019年 / 221卷 / 03期
基金：
中国国家自然科学基金;
关键词：
BES1; BIM1; COP1; photomorphogenesis; UV-B; UVR8; WRKY36; GENE-EXPRESSION; INDUCED PHOTOMORPHOGENESIS; STRESS ACCLIMATION; TRANSCRIPTION; COP1; PERCEPTION; LIGHT; REGULATOR; EVENTS; GROWTH;
D O I：
10.1111/nph.15469
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Ultraviolet-B (UV-B) light is an intrinsic part of sunlight that has significant effects on plant development and acclimation responses. UVR8 (UV Resistance Locus 8) is the long sought-after UV-B photoreceptor that mediates UV-B light perception and signal transduction. UV-B irradiation induces the monomerization and nuclear accumulation of UVR8 in plant cells to activate the UV-B signaling pathway. The photoactivated UVR8 could transduce UV-B signal via multiple mechanisms to regulate transcription and plant growth. Here, we summarize current understanding of UVR8-mediated UV-B signal transduction pathways, including UVR8-COP1 (CONSTITUTIVELY PHOTOMORPHOGENIC 1) and UVR8-WRKY36 (WRKY DNA-BINDING PROTEIN 36), UVR8-BES1 (BRI1-EMS-SUPPRESSOR1) and BIM1 (BES1-INTERACTING MYC-LIKE 1).
引用
收藏
页码：1247 / 1252
页数：6
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