Relationship between calcium decoding elements and plant abiotic-stress resistance
文献类型: 外文期刊
第一作者: Song, Wei-Yi
作者: Song, Wei-Yi;Zhang, Zheng-Bin;Cao, Hong-Xing;Zhao, Hong-Bin;Fu, Zheng-Yan;Hu, Xiao-Jun;Shao, Hong-Bo;Shao, Hong-Bo;Guo, Xiu-Lin;Shao, Hong-Bo;Song, Wei-Yi;Cao, Hong-Xing;Zhao, Hong-Bin;Fu, Zheng-Yan;Hu, Xiao-Jun
作者机构:
关键词: calcium signals decoding elements;stomatal closure;water use efficiency (WUE);abiotic stress-resistance
期刊名称:INTERNATIONAL JOURNAL OF BIOLOGICAL SCIENCES ( 影响因子:6.58; 五年影响因子:6.478 )
ISSN: 1449-2288
年卷期: 2008 年 4 卷 2 期
页码:
收录情况: SCI
摘要: Serving as an important second messenger, calcium ion has unique properties and universal ability to transmit diverse signals that trigger primary physiological actions in cells in response to hormones, pathogens, light, gravity, and stress factors. Being a second messenger of paramount significance, calcium is required at almost all stages of plant growth and development, playing a fundamental role in regulating polar growth of cells and tissues and participating in plant adaptation to various stress factors. Many researches showed that calcium signals decoding elements are involved in ABA-induced stomatal closure and plant adaptation to drought, cold, salt and other abiotic stresses. Calcium channel proteins like AtTPC1 and TaTPC1 can regulate stomatal closure. Recently some new studies show that Ca2+ is dissolved in water in the apoplast and transported primarily from root to shoot through the transpiration stream. The oscillating amplitudes of [Ca2+](o) and [Ca2+](i) are controlled by soil Ca2+ concentrations and transpiration rates. Because leaf water use efficiency (WUE) is determined by stomatal closure and transpiration rate, so there may be a close relationship between Ca2+ transporters and stomatal closure as well as WUE, which needs to be studied. The selection of varieties with better drought resistance and high WUE plays an increasing role in bio-watersaving in arid and semi-arid areas on the globe. The current paper reviews the relationship between calcium signals decoding elements and plant drought resistance as well as other abiotic stresses for further study.
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