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Stress Biol

Title:		The circadian clock ticks in plant stress responses
Author(s):		Xu X; Yuan L; Xie Q;
Address:		"State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, Kaifeng, 475004, China. xiaodong.xu@henu.edu.cn. State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, Kaifeng, 475004, China. State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, Kaifeng, 475004, China. qiguang.xie@henu.edu.cn"
Journal Title:		Stress Biol
Year:		2022
Volume:		20220301
Issue:		1
Page Number:		15 -
DOI:		10.1007/s44154-022-00040-7
ISSN/ISBN:		2731-0450 (Electronic) 2731-0450 (Linking)
Abstract:		"The circadian clock, a time-keeping mechanism, drives nearly 24-h self-sustaining rhythms at the physiological, cellular, and molecular levels, keeping them synchronized with the cyclic changes of environmental signals. The plant clock is sensitive to external and internal stress signals that act as timing cues to influence the circadian rhythms through input pathways of the circadian clock system. In order to cope with environmental stresses, many core oscillators are involved in defense while maintaining daily growth in various ways. Recent studies have shown that a hierarchical multi-oscillator network orchestrates the defense through rhythmic accumulation of gene transcripts, alternative splicing of mRNA precursors, modification and turnover of proteins, subcellular localization, stimuli-induced phase separation, and long-distance transport of proteins. This review summarizes the essential role of circadian core oscillators in response to stresses in Arabidopsis thaliana and crops, including daily and seasonal abiotic stresses (low or high temperature, drought, high salinity, and nutrition deficiency) and biotic stresses (pathogens and herbivorous insects). By integrating time-keeping mechanisms, circadian rhythms and stress resistance, we provide a temporal perspective for scientists to better understand plant environmental adaptation and breed high-quality crop germplasm for agricultural production"
Keywords:		Circadian clock Drought Pathogen Salinity Temperature stress;
Notes:		"PubMed-not-MEDLINEXu, Xiaodong Yuan, Li Xie, Qiguang eng 32170275, U1904202, 31570285/National Natural Science Foundation of China/ 32170259, 31670285/National Natural Science Foundation of China/ 2021YFA1300402/National key research and development program/ Review Switzerland 2022/03/01 Stress Biol. 2022 Mar 1; 2(1):15. doi: 10.1007/s44154-022-00040-7"