Physical association of pattern-triggered immunity (PTI) and effector-triggered immunity (ETI) immune receptors in Arabidopsis

被引：90

作者：

Qi, Yiping ^{[1
]}

Tsuda, Kenichi ^{[1
]}

Glazebrook, Jane ^{[1
]}

Katagiri, Fumiaki ^{[1
]}

机构：

[1] Univ Minnesota, Microbial & Plant Genom Inst, Dept Plant Biol, St Paul, MN 55108 USA

来源：

MOLECULAR PLANT PATHOLOGY | 2011年 / 12卷 / 07期

基金：

美国国家科学基金会;

关键词：

PLASMA-MEMBRANE PROTEIN; DISEASE RESISTANCE; INNATE IMMUNITY; FLAGELLIN PERCEPTION; III EFFECTOR; KINASE; THALIANA; BACTERIAL; FLS2; RECOGNITION;

D O I：

10.1111/J.1364-3703.2010.00704.X

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Plants possess two distinct types of immune receptor. The first type, pattern recognition receptors (PRRs), recognizes microbe-associated molecular patterns (MAMPs) and initiates pattern-triggered immunity (PTI) on recognition. FLS2 is a PRR, which recognizes a part of bacterial flagellin. The second type, resistance (R) proteins, recognizes pathogen effectors and initiates effector-triggered immunity (ETI) on recognition. RPM1, RPS2 and RPS5 are R proteins. Here, we provide evidence that FLS2 is physically associated with all three R proteins. Our findings suggest that signalling interactions occur between PTI and ETI at very early stages and/or that FLS2 forms a PTI signalling complex, some components of which are guarded by R proteins.

引用

页码：702 / 708

页数：7

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