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Salicylic Acid: Biosynthesis and Signaling
Annual Review of Plant Biology ( IF 21.3 ) Pub Date : 2021-06-18 , DOI: 10.1146/annurev-arplant-081320-092855
Yujun Peng 1 , Jianfei Yang 1, 2 , Xin Li 1, 3 , Yuelin Zhang 1
Affiliation  

Salicylic acid (SA) is an essential plant defense hormone that promotes immunity against biotrophic and semibiotrophic pathogens. It plays crucial roles in basal defense and the amplification of local immune responses, as well as the establishment of systemic acquired resistance. During the past three decades, immense progress has been made in understanding the biosynthesis, homeostasis, perception, and functions of SA. This review summarizes the current knowledge regarding SA in plant immunity and other biological processes. We highlight recent breakthroughs that substantially advanced our understanding of how SA is biosynthesized from isochorismate, how it is perceived, and how SA receptors regulate different aspects of plant immunity. Some key questions in SA biosynthesis and signaling, such as how SA is produced via another intermediate, benzoic acid, and how SA affects the activities of its receptors in the transcriptional regulation of defense genes, remain to be addressed.

中文翻译:


水杨酸:生物合成和信号传导

水杨酸 (SA) 是一种必需的植物防御激素,可促进对生物营养和半生物营养病原体的免疫力。它在基础防御和局部免疫反应的放大以及系统性获得性抵抗力的建立中起着至关重要的作用。在过去的三年中,在理解 SA 的生物合成、稳态、感知和功能方面取得了巨大进展。本综述总结了目前关于植物免疫和其他生物过程中 SA 的知识。我们强调了最近的突破,这些突破大大提高了我们对 SA 如何从异分支酸生物合成、如何感知以及 SA 受体如何调节植物免疫的不同方面的理解。SA生物合成和信号传导中的一些关键问题,例如SA如何通过另一种中间体产生,

更新日期:2021-06-19
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