Vlot A Corina, Dempsey D'Maris Amick, Klessig Daniel F
Max Planck Institute for Plant Breeding Research, 50829 Cologne, Germany.
Annu Rev Phytopathol. 2009;47:177-206. doi: 10.1146/annurev.phyto.050908.135202.
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.
200多年来，人们一直在研究植物激素水杨酸（SA）在人类医学中的用途。然而，它在植物中的广泛信号传导作用，特别是在抵御病原体方面的作用，直到过去20年才变得明显。本文综述了植物中的SA如何调节局部抗病机制，包括宿主细胞死亡和防御基因表达，以及系统获得性抗性（SAR）。遗传学研究揭示了SA介导的防御信号传导所需的蛋白质网络越来越复杂，并且这个过程被几个调节反馈环放大。本文还讨论了SA信号通路与其他植物激素和/或防御信号调节的信号通路之间的相互作用。
