Hydrogen peroxide and nitric oxide as signalling molecules in plants

被引：943
作者：
Neill, SJ
Desikan, R
Clarke, A
Hurst, RD
Hancock, JT
机构：
[1] Univ W England, Fac Sci Appl, Ctr Res Plant Sci, Bristol BS16 1QY, Avon, England
[2] Univ W England, Fac Sci Appl, Biomed Res Ctr, Bristol BS16 1QY, Avon, England
来源：
JOURNAL OF EXPERIMENTAL BOTANY | 2002年 / 53卷 / 372期
关键词：
abiotic and biotic stress; hydrogen peroxide; nitric oxide; signalling molecule;
D O I：
10.1093/jexbot/53.372.1237
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
It is now clear that hydrogen peroxide (H2O2) and nitric oxide (NO) function as signalling molecules in plants. A wide range of abiotic and biotic stresses results in H2O2 generation, from a variety of sources. H2O2 is removed from cells via a number of antioxidant mechanisms, both enzymatic and non-enzymatic. Both biotic and abiotic stresses can induce NO synthesis, but the biosynthetic origins of NO in plants have not yet been resolved. Cellular responses to H2O2 and NO are complex, with considerable cross-talk between responses to several stimuli. In this review the potential roles of H2O2 and NO during various stresses and the signalling pathways they activate are discussed. Key signalling components that might provide targets for enhancing crop production are also identified.
引用
收藏
页码：1237 / 1247
页数：11
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