期刊
PLANTS-BASEL
卷 11, 期 10, 页码 -出版社
MDPI
DOI: 10.3390/plants11101351
关键词
Ca2+; abiotic stress response; Ca2+ sensors; signal transduction; abiotic stress tolerance calcium; heat stress; cold stress
资金
- Natural Science Foundation of Zhejiang Province [LQ20C020003]
This review summarizes the roles and molecular mechanisms of cytosolic Ca2+ in response to abiotic stresses in plants, and focuses on the crosstalk between Ca2+ and other signaling molecules.
Plants have evolved many strategies for adaptation to extreme environments. Ca2+, acting as an important secondary messenger in plant cells, is a signaling molecule involved in plants' response and adaptation to external stress. In plant cells, almost all kinds of abiotic stresses are able to raise cytosolic Ca2+ levels, and the spatiotemporal distribution of this molecule in distant cells suggests that Ca2+ may be a universal signal regulating different kinds of abiotic stress. Ca2+ is used to sense and transduce various stress signals through its downstream calcium-binding proteins, thereby inducing a series of biochemical reactions to adapt to or resist various stresses. This review summarizes the roles and molecular mechanisms of cytosolic Ca2+ in response to abiotic stresses such as drought, high salinity, ultraviolet light, heavy metals, waterlogging, extreme temperature and wounding. Furthermore, we focused on the crosstalk between Ca2+ and other signaling molecules in plants suffering from extreme environmental stress.
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