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Functions and mechanisms of the CBL-CIPK signaling system in plant response to abiotic stress

文献类型： 外文期刊

作者： Li, Ruifen 1 ; Zhang, Junwen 1 ; Wei, Jianhua 1 ; Wang, Hongzhi 1 ; Wang, Yanzhen 1 ; Ma, Rongcai 1 ;

作者机构： 1.Beijing Acad Agr & Forestry Sci, Beijing Agrobiotechnol Res Ctr, Beijing 100097, Peoples R China

2.Capital Normal Univ, Life Sci Coll, Beijing 100037, Peoples R China

关键词： Calcium signal;CBL;CIPK;Signal transduction;Abiotic stress

期刊名称：PROGRESS IN NATURAL SCIENCE （ 影响因子：3.607； 五年影响因子：4.795 ）

ISSN： 1002-0071

年卷期： 2009 年 19 卷 6 期

页码：

收录情况： SCI

摘要： To cope with environmental stimuli, plants have evolved precise regulatory mechanisms to perceive, transduce and respond to abiotic stresses that can negatively affect growth and development. The CBL-CIPK signaling system is a newly emerging plant-specific and Ca(2+)-dependent network mediating abiotic stress tolerance. CBLs may sense a Ca(2+) signature triggered by abiotic stresses, and have specific interactions with novel CIPK-type kinases after binding Ca(2+). The CBL/CIPK complexes may post-translationally phosphorylate downstream target proteins to regulate abiotic stress tolerance in a cell or tissue-specific manner. In some cases transcription factors are induced to activate stress-responsive genes that control adaptation reactions. The CBL-CIPK signaling system exhibits specificity, diversity and complexity. Meanwhile, cross talk also exists in the CBL-CIPK signaling. To date, significant progress has been made in the role of the CBL-CIPK signaling system in responding to salt, low K(+) and to high pH, which will provide a fast and efficient method of molecular design breeding combined with the CBL/CIPK engineering of crop plants, for enhanced tolerance to abiotic stresses. However, more CBL/CIPK components remain to be identified, particularly from specific plants that grow in conditions with abiotic stress, and the specificity of their abiotic stress signaling will need to be dissected. (C) 2009 National Natural Science Foundation of China and Chinese Academy of Sciences. Published by Elsevier Limited and Science in China Press. All rights reserved.

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