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脱落酸调节植物抵御水分胁迫的机制研究 被引量:7

Regulation of abscisic acid on plant resistance to water stress
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摘要 干旱、盐渍、低温等均可导致植物可利用水分的亏缺,表现为水分胁迫。植物感受到水分胁迫,诱导脱落酸(abscisic acid,ABA)生物合成。ABA可通过促使气孔关闭或抑制气孔开放,使作物尽可能地降低蒸腾失水,以抵御水分胁迫。该文就植物激素ABA及其下游信号过氧化氢(hydrogenperoxide,H2O2)、一氧化氮(nitric oxide,NO)以及Ca2+等在植物气孔运动调节方面的研究进展进行概述,以构建水分胁迫下ABA调节植物气孔运动的可能模式。 Drought,salinity,low temperature could lead to water stress in plant growth.Plant perceives water stress and induces the synthesis of abscisic acid(ABA).ABA could induce stomatal closure or inhibit stomatal opening to reduce transpiration.This paper focuses on the function of plant hormone ABA and its downstream signal intermediating(H2O2,NO and Ca2+) in stomotal movement of plant to establish the basic model of regulation of ABA on stomotal movement under water stress.
出处 《生命科学》 CSCD 北大核心 2011年第1期115-120,共6页 Chinese Bulletin of Life Sciences
基金 国家自然科学基金项目(30871300) 河南大学自然科学基金项目(2009YBZR039)
关键词 脱落酸 气孔运动 水分胁迫 abscisic acid stomotal movement water stress
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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
  • 2吕东,张骁,江静,安国勇,张玲瑞,宋纯鹏.NO可能作为H_2O_2的下游信号介导ABA诱导的蚕豆气孔关闭[J].植物生理与分子生物学学报,2005,31(1):62-70. 被引量:43
  • 3刘新,张蜀秋,娄成后.Ca^(2+)参与NO对蚕豆气孔运动的调控[J].植物生理与分子生物学学报,2003,29(4):342-346. 被引量:21
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