Direct transcriptional control of the Arabidopsis immune receptor FLS2 by the ethylene-dependent transcription factors EIN3 and EIL1

被引：176

作者：

Boutrot, Freddy ^{[1
]}

Segonzac, Cecile ^{[1
]}

Chang, Katherine N. ^{[2
]}

Qiao, Hong ^{[2
]}

Ecker, Joseph R. ^{[2
]}

Zipfel, Cyril ^{[1
]}

Rathjen, John P. ^{[1
]}

机构：

[1] Sainsbury Lab, Norwich NR4 7UH, Norfolk, England

[2] Salk Inst Biol Studies, Plant Biol Lab, La Jolla, CA 92093 USA

来源：

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA | 2010年 / 107卷 / 32期

基金：

美国国家科学基金会; 英国生物技术与生命科学研究理事会;

关键词：

innate immunity; receptor kinase; PLANT INNATE IMMUNITY; F-BOX PROTEINS; PSEUDOMONAS-SYRINGAE; BACTERIAL FLAGELLIN; DISEASE RESISTANCE; THALIANA; KINASE; PERCEPTION; RESPONSES; ETHYLENE-INSENSITIVE3;

D O I：

10.1073/pnas.1003347107

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

In plant innate immunity, the leucine-rich repeat receptor kinase FLS2 recognizes the bacterial pathogen-associated molecular pattern (PAMP) flagellin. The molecular mechanisms underlying PAMP perception are not fully understood. Here, we reveal that the gaseous phytohormone ethylene is an integral part of PAMP-triggered immunity. Plants mutated in the key ethylene-signaling protein EIN2 are impaired in all FLS2-mediated responses, correlating with reduced FLS2 transcription and protein accumulation. The EIN3 and EIN3-like transcription factors, which depend on EIN2 activity for their accumulation, directly control FLS2 expression. Our results reveal a direct role for ethylene in regulation of an innate immune receptor.

引用

收藏

页码：14502 / 14507

页数：6

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