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植物激素ABA在水分胁迫下的功能及信号途径 被引量:24

Function and Signaling of Plant Hormone ABA under Water Stress
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摘要 植物根系感知外界水分胁迫刺激,诱导ABA生物合成。ABA既可诱导气孔关闭或抑制气孔开放,以降低植物的蒸腾失水,又可影响植物根系发育,以抵御水分胁迫。本文就植物激素ABA及其下游信号H2O2、NO以及Ca2+等在植物生长调节方面的研究进展进行概述,以构建水分胁迫下植物生长自我调控的可能模式。 Plant roots perceive water stress and induce the synthesis of abscisic acid (ABA). ABA not only could induce stomatal closure or inhibit stomatal opening to reduce transpiration, but also regulate the development of roots and increase drought tolerance. This paper focused on the functions of plant hormone ABA and its downstream signal intermediates (H2O2, NO and Ca2+) for establishing the basic model of its regulation of plant growth under water stress.
出处 《植物生理学报》 CAS CSCD 北大核心 2012年第1期11-18,共8页 Plant Physiology Journal
基金 国家自然科学基金(90817106)
关键词 水分胁迫 脱落酸 过氧化氢 一氧化氮 water stress abscisic acid hydrogen peroxide nitric oxide
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  • 1JIANG Jing1,2, AN Guoyong1, WANG Pengcheng1, WANG Pengtao1, HAN Jinfeng2, JIA Yanbin1 & SONG Chunpeng1 1. College of Life Sciences, Henan University, Kaifeng 475001, China,2. College of Agriculture Science, Henan Agriculture University, Zheng-zhou 450001, China Correspondence should be addressed to Song Chunpeng (e-mail: songcp @henu. edu.cn).MAP kinase specifically mediates the ABA-induced H_2O_2 generation in guard cells of Vicia faba L.[J].Chinese Science Bulletin,2003,48(18):1919-1926. 被引量:10
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