文献类型： 外文期刊
作者： Lei, Yuqi 1 ; Ma, Qi 1 ; Zhang, Yihao 2 ; Li, Jilian 1 ; Ning, Xinzhu 1 ; Wang, Yichen 3 ; Ge, Xiaoyang 1 ; Zhao, Hang 2 ; Lin, Hai 1 ;
作者机构： 1.Xinjiang Acad Agr & Reclamat Sci, Cotton Res Inst, Shihezi, Peoples R China
2.Chinese Acad Agr, Inst Cotton Res, Natl Key Lab Cotton Biobreeding & Integrated Utili, Anyang, Peoples R China
3.Northeast Forestry Univ, Aulin Coll, Harbin, Peoples R China
4.Qufu Normal Univ, Coll Life Sci, Qufu, Peoples R China
关键词： phytochrome A; far-red light signaling; flowering time; shade avoidance; light signaling
期刊名称：FRONTIERS IN PLANT SCIENCE （ 影响因子：5.6； 五年影响因子：6.8 ）
ISSN： 1664-462X
年卷期： 2024 年 15 卷
页码：
收录情况： SCI
摘要： Plants lack behavioral responses to avoid dramatic environmental changes associated with the annual seasons. For survival, they have evolved complex sensory systems to sense fluctuations in light and optimize their architecture in response to changes in these cues. Phytochrome A (phyA) was initially identified as a photoreceptor that senses far-red light signals. It was then identified as playing a central role in promoting hypocotyl growth, fiber development, and flowering time in a variety of plants including Arabidopsis, rice, soybean and cotton. Under dark conditions, phyA is present in the cytoplasm in the physiologically inactive (Pr) form. Far-red light signals induce the transformation of Pr into the physiologically active (Pfr) form, after which Pfr-phyA is recognized by FAR-RED ELONGATED HYPOCOTYL 1 (FHY1) and FHY1-LIKE (FHL) and translocated to the nucleus, initiating a series of signaling cascades. The current review comprehensively summarizes recent advances in understanding the function of phyA in plants, including phyA-mediated shade avoidance and flowering time. Remaining issues and possible directions for future research on phyA are also discussed.
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