Salicylic Acid, a Multifaceted Hormone to Combat Disease

被引:1721
作者
Vlot, A. Corina [1 ,2 ,3 ]
Dempsey, D'Maris Amick [2 ]
Klessig, Daniel F. [2 ]
机构
[1] Max Planck Inst Plant Breeding Res, D-50829 Cologne, Germany
[2] Boyce Thompson Inst Plant Res, Ithaca, NY 14853 USA
[3] Helmholtz Ctr Munich, D-85764 Neuherberg, Germany
基金
美国国家科学基金会;
关键词
SA signaling; SA metabolism; systemic acquired resistance; hypersensitive response; hormonal cross talk; SYSTEMIC ACQUIRED-RESISTANCE; DEPENDENT DEFENSE RESPONSES; HYPERSENSITIVE CELL-DEATH; PLANT INNATE IMMUNITY; OF-FUNCTION MUTATION; PSEUDOMONAS-SYRINGAE; TRANSCRIPTION FACTOR; GENE-EXPRESSION; NITRIC-OXIDE; METHYL SALICYLATE;
D O I
10.1146/annurev.phyto.050908.135202
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
For more than 200 years, the plant hormone salicylic acid (SA) has been studied for its medicinal use in humans. However, its extensive signaling role in plants, particularly in defense against pathogens, has only become evident during the past 20 years. This review surveys how SA in plants regulates both local disease resistance mechanisms, including host cell death and defense gene expression, and systemic acquired resistance (SAR). Genetic studies reveal an increasingly complex network of proteins required for SA-mediated defense signaling, and this process is amplified by several regulatory feedback loops. The interaction between the SA signaling pathway and those regulated by other plant hormones and/or defense signals is also discussed.
引用
收藏
页码:177 / 206
页数:30
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