植物钙感受器及其介导的逆境信号途径

doi:10.3724/SP.J.1005.2013.00875

遗传 ›› 2013, Vol. 35 ›› Issue (7): 875-884.doi: 10.3724/SP.J.1005.2013.00875

植物钙感受器及其介导的逆境信号途径

郑仲仲¹, 沈金秋¹, 潘伟槐², 潘建伟¹

1. 浙江师范大学化学与生命科学学院, 金华 321004 2. 绍兴文理学院生命科学学院, 绍兴 312000

收稿日期:2012-12-19 修回日期:2013-03-15 出版日期:2013-07-20 发布日期:2013-07-25
通讯作者: 潘建伟 E-mail:jwpan@zjnu.cn
基金资助:
国家自然科学基金项目(编号：31171520, 30970255和31000741)和浙江省自然科学基金项目(编号：R3100175和Y3100207)资助

Calcium sensors and their stress signaling pathways in plants

ZHENG Zhong-Zhong¹, SHEN Jin-Qiu¹, PAN Wei-Huai², PAN Jian-Wei¹

1. College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, China 2. College of Life Sciences, Shaoxing College of Sciences and Arts, Shaoxing 312000, China

Received:2012-12-19 Revised:2013-03-15 Online:2013-07-20 Published:2013-07-25

摘要/Abstract

摘要： 钙信号是植物生长发育和逆境响应的重要调控因子, 是植物生理与逆境生物学研究领域中的热点之一。当植物细胞受到外界逆境刺激时, 其胞内会产生具有时空特异性的Ca2+信号变化, 这种变化首先被胞内钙感受器所感知并解码, 再由钙感受器互作蛋白将信号传递到下游, 从而激活下游早期响应基因的表达或相关离子通道的活性, 最终产生特异性逆境响应。植物细胞通过感知胞内钙信号的变化如何识别来自外界不同性质或不同强度的刺激, 是近几年植物生物学家所关注的科学问题。文章主要总结了近几年在植物钙感受器研究领域中的最新进展, 包括钙依赖蛋白激酶(CDPKs)、钙调素(CaMs)、类钙调素蛋白(CMLs)、类钙调磷酸酶B蛋白(CBLs)及其互作蛋白激酶(CIPKs)等的结构、功能及其介导的逆境信号途径, 并提供新的见解和展望。

关键词: 钙信号, 钙感受器, 信号转导途径, 植物

Abstract: Calcium (Ca2+) signals are a core regulator of plant growth and development and responses to environmental cues and thus highlighted in plant physiological and stress biology. External stimuli trigger specifically intracellular spatial and temporal [Ca2+]cyt variations in plant cells. This [Ca2+]cyt variations will be sensed and decoded by calcium sensors and, in turn, calcium sensor interacting proteins transmit resulting signals to the downstream effectors to activate the expression of early response genes or promote ion channel activities, finally leading to specific stress responses. How the plant cell distinguishes different types or intensity of external stimuli through sensing intracellular spatial and temporal variations of Ca2+ signals is a scientific issue recently highlighted by plant biologists. This review summarized recent advances in the research field of plant calcium sensors, including the structural characteristics, functional roles, and stress signaling path-ways of calcium-dependent protein kinases (CDPKs), calmodulins (CaMs), calmodulin-like proteins (CMLs), and cal-cineurin B-like proteins (CBLs) and their interacting kinases (CIPKs), and moreover provided new insights and perspectives.

Key words: calcium signaling, calcium sensors, signaling pathways, plants

郑仲仲沈金秋潘伟槐潘建伟. 植物钙感受器及其介导的逆境信号途径[J]. 遗传, 2013, 35(7): 875-884.

ZHENG Zhong-Zhong SHEN Jin-Qiu PAN Wei-Huai PAN Jian-Wei. Calcium sensors and their stress signaling pathways in plants[J]. HEREDITAS, 2013, 35(7): 875-884.

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植物钙感受器及其介导的逆境信号途径

Calcium sensors and their stress signaling pathways in plants

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