Article
GUN4 Affects the Circadian Clock and Seedlings Adaptation to Changing Light Conditions.
International journal of molecular sciences - 24 Dec 2021
Li Tao, Wu Rui, Liu Zhixin, Wang Jiajing, Guo Chenxi, Zhou Yaping, Bawa George, Sun Xuwu
Abstract excerpt
The chloroplast is a key organelle for photosynthesis and perceiving environmental information. GENOME UNCOUPLED 4 (GUN4) has been shown to be required for the regulation of both chlorophyll synthesis, reactive oxygen species (ROS) homeostasis and plastid retrograde signaling. In this study, we found that growth of the gun4 mutant was significantly improved under medium strong light (200 μmol photons m-2s-1)...
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