Activating plant immunity: the hidden dance of intracellular Ca2+ stores
文献类型: 外文期刊
第一作者: Wang, Qi
作者: Wang, Qi;Yan, Haiqiao;Zhang, Zilu;Li, Wei;He, Jinyu;Lou, Laiqing;Chang, Ming;Cang, Xiaoyan;Zhang, Meixiang;Wang, Ran
作者机构:
关键词: Ca2+ signal; Ca2+ store; chloroplast; cytoskeleton; ER; mitochondrion; organelle; plant immunity
期刊名称:NEW PHYTOLOGIST ( 影响因子:9.4; 五年影响因子:10.5 )
ISSN: 0028-646X
年卷期: 2024 年 242 卷 6 期
页码:
收录情况: SCI
摘要: Calcium ion (Ca2+) serves as a versatile and conserved second messenger in orchestrating immune responses. In plants, plasma membrane-localized Ca2+-permeable channels can be activated to induce Ca2+ influx from extracellular space to cytosol upon pathogen infection. Notably, different immune elicitors can induce dynamic Ca2+ signatures in the cytosol. During pattern-triggered immunity, there is a rapid and transient increase in cytosolic Ca2+, whereas in effector-triggered immunity, the elevation of cytosolic Ca(2+ )is strong and sustained. Numerous Ca2+ sensors are localized in the cytosol or different intracellular organelles, which are responsible for detecting and converting Ca2+ signals. In fact, Ca2+ signaling coordinated by cytosol and subcellular compartments plays a crucial role in activating plant immune responses. However, the complete Ca2+ signaling network in plant cells is still largely ambiguous. This review offers a comprehensive insight into the collaborative role of intracellularCa(2+) stores in shaping the Ca2+ signaling network during plant immunity, and several intriguing questions for future research are highlighted.
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