The salicylic acid loop in plant defense

被引：474

作者：

Shah, J

机构：

[1] Kansas State Univ, Div Biol, Manhattan, KS 66506 USA

[2] Kansas State Univ, Mol Cellular & Dev Biol Program, Manhattan, KS 66506 USA

来源：

CURRENT OPINION IN PLANT BIOLOGY | 2003年 / 6卷 / 04期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/S1369-5266(03)00058-X

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Salicylic acid is an important signal molecule in plant defense. In the past two years, significant progress has been made in understanding the mechanism of salicylic-acid biosynthesis and signaling in plants. A pathway similar to that found in some bacteria synthesizes salicylic acid from chorismate via isochorismate. Salicylic-acid signaling is mediated by at least two mechanisms, one requiring the NON-EXPRESSOR OF PR1 (NPR1) gene and a second that is independent of NPR1. Feedback loops involving salicylic acid modulate upstream signals. These feedback loops may provide a point for integrating developmental, environmental and other defense-associated signals, and thus fine-tune the defense responses of plants.

引用

收藏

页码：365 / 371

页数：7

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