Article
EGY3 mediates chloroplastic ROS homeostasis and promotes retrograde signaling in response to salt stress in Arabidopsis.
Cell reports - 13 Jul 2021
Zhuang Yong, Wei Ming, Ling Chengcheng, Liu Yangxuan, Amin Abdul Karim, Li Penghui, Li Pengwei, Hu Xufan, Bao Huaxu, Huo Heqiang, Smalle Jan, Wang Songhu
Abstract excerpt
The chloroplast is the main organelle for stress-induced production of reactive oxygen species (ROS). However, how chloroplastic ROS homeostasis is maintained under salt stress is largely unknown. We show that EGY3, a gene encoding a chloroplast-localized protein, is induced by salt and oxidative stresses. The loss of EGY3 function causes stress hypersensitivity while EGY3 overexpression increases the tolerance...
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