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Activating plant immunity: the hidden dance of intracellular Ca2+ stores

文献类型: 外文期刊

作者: Wang, Qi 1 ; Cang, Xiaoyan 2 ; Yan, Haiqiao 1 ; Zhang, Zilu 1 ; Li, Wei 1 ; He, Jinyu 1 ; Zhang, Meixiang 3 ; Lou, Laiqing 1 ; Wang, Ran 4 ; Chang, Ming 1 ;

作者机构: 1.Nanjing Agr Univ, Coll Life Sci, Key Lab Soybean Dis & Pest Control, Key Lab Plant Immun,Minist Agr & Rural Affairs, Nanjing 210095, Peoples R China

2.Jiangsu Acad Agr Sci, Inst Plant Protect, Jiangsu Key Lab Food Qual & Safety, State Key Lab Cultivat Base,Minist Sci & Technol, Nanjing 210014, Peoples R China

3.Shaanxi Normal Univ, Coll Life Sci, Xian 710119, Peoples R China

4.Henan Agr Univ, Coll Life Sci, Zhengzhou 450046, Peoples R China

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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