Metabolism and Signal Transduction of H2O2 in Plants under Abiotic Stresses

doi:10.3969/j.issn.1008-0864.2010.02.08

›› 2010, Vol. 12 ›› Issue (2): 38-43.DOI: 10.3969/j.issn.1008-0864.2010.02.08

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Metabolism and Signal Transduction of H₂O₂ in Plants under Abiotic Stresses

PAN Xiao-wu1, LI Yong-chao2, LI Xiao-xiang2, HUANG Rong-feng3

(1.Longping Branch, Graduate School, Central South University, Changsha 410125|2.Rice Research Institute of Hunan, Changsha 410125|3.Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China)

Received:2010-01-28 Revised:2010-03-16 Online:2010-04-15 Published:2010-03-30

非生物胁迫条件下植物H₂O₂的代谢及信号转导

潘孝武1,黎用朝2,李小湘2,黄荣峰3

(1.中南大学研究生院隆平分院, 长沙 410125|2.湖南省水稻研究所, 长沙 410125|3.中国农业科学院生物技术研究所, 北京 100081)

通讯作者: 黎用朝,研究员,从事水稻遗传育种研究。Tel:0731-84692719; E-mail:yongchao_l@hotmail.com
作者简介:潘孝武,硕士研究生,主要从事植物生理和分子生物学方面的研究。Tel:010-82106401|E-mail:pxw137@163.com.cn。
基金资助:
国家转基因生物新品种培育重大专项(2009ZX08001-009B); 国家自然科学基金项目(30730060)资助。

Abstract

Abstract:

Hydrogen peroxide (H₂O₂) is a pleiotropic molecule, playing key roles in regulating plant response to various abiotic stresses. As a signal molecule, H2O2 is involved in controlling the expression of stress-related genes and physiological processes via different signal transduction pathways in a certain range of concentration. Excess concentration of H2O2 will cause the degradation of cell components and cell death. Thus, it is necessary to maintain the balance between production and scavenging of H2O2. This paper reviews the generation, scavenging and roles of H2O2 in plant abiotic stress response.

Key words: abiotic stresses, hydrogen peroxide metabolism, signal transduction

摘要：

H2O2是一种多效性分子,在植物应对非生物胁迫过程中起着重要作用。在一定的浓度范围内,H2O2作为信号分子通过参与多种信号转导途径调节相关的基因表达以及生理代谢过程,但是H2O2的过度积累会引起细胞组分的降解,导致细胞死亡。因此,维持植物体内H2O2的动态平衡十分必要。综述了非生物胁迫条件下H2O2在植物中的产生、降解及在信号传导中的作用。

关键词: 非生物胁迫;过氧化氢代谢;信号转导

CLC Number:

Q946.92

PAN Xiao-wu1, LI Yong-chao2, LI Xiao-xiang2, HUANG Rong-feng3. Metabolism and Signal Transduction of H₂O₂ in Plants under Abiotic Stresses[J]. , 2010, 12(2): 38-43.

潘孝武1,黎用朝2,李小湘2,黄荣峰3. 非生物胁迫条件下植物H₂O₂的代谢及信号转导[J]. , 2010, 12(2): 38-43.

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Metabolism and Signal Transduction of H₂O₂ in Plants under Abiotic Stresses

非生物胁迫条件下植物H₂O₂的代谢及信号转导

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