The Physiological Functionality of PGR5/PGRL1-Dependent Cyclic Electron Transport in Sustaining Photosynthesis

文献类型： 外文期刊

第一作者： Ma, Mingzhu

作者： Ma, Mingzhu;Liu, Yifei;Sun, Zhiyu;Liu, Xinyue;Zhang, Siwei;Han, Xiaori;Liu, Yifei;Liu, Yifei;Yong, Jean Wan Hong;Liu, Yifei;Bai, Chunming;Yang, Yunhong;Yong, Jean Wan Hong

作者机构：

关键词： photosynthesis; cyclic electron transport; proton gradient regulation 5; PRG5-like photosynthetic phenotype 1; photoinhibition

期刊名称：FRONTIERS IN PLANT SCIENCE （ 影响因子：5.754； 五年影响因子：6.612 ）

ISSN： 1664-462X

年卷期： 2021 年 12 卷

页码：

收录情况： SCI

摘要： The cyclic electron transport (CET), after the linear electron transport (LET), is another important electron transport pathway during the light reactions of photosynthesis. The proton gradient regulation 5 (PGR5)/PRG5-like photosynthetic phenotype 1 (PGRL1) and the NADH dehydrogenase-like complex pathways are linked to the CET. Recently, the regulation of CET around photosystem I (PSI) has been recognized as crucial for photosynthesis and plant growth. Here, we summarized the main biochemical processes of the PGR5/PGRL1-dependent CET pathway and its physiological significance in protecting the photosystem II and PSI, ATP/NADPH ratio maintenance, and regulating the transitions between LET and CET in order to optimize photosynthesis when encountering unfavorable conditions. A better understanding of the PGR5/PGRL1-mediated CET during photosynthesis might provide novel strategies for improving crop yield in a world facing more extreme weather events with multiple stresses affecting the plants.

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