Broad-spectrum mildew resistance in Arabidopsis thaliana mediated by RPW8

被引：370

作者：

Xiao, SY ^{[1
]}

Ellwood, S ^{[1
]}

Calis, O ^{[1
]}

Patrick, E ^{[1
]}

Li, TX ^{[1
]}

Coleman, M ^{[1
]}

Turner, JG ^{[1
]}

机构：

[1] Univ E Anglia, Sch Biol Sci, Norwich NR4 7TJ, Norfolk, England

来源：

SCIENCE | 2001年 / 291卷 / 5501期

关键词：

D O I：

10.1126/science.291.5501.118

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：

Plant disease resistance (R) genes control the recognition of specific pathogens and activate subsequent defense responses. We show that the Arabidopsis thaliana Locus RESISTANCE TO POWDERY MILDEW8 (RPW8) contains two naturally polymorphic, dominant R genes, RPW8.1 and RPW8.2, which individually control resistance to a broad range of powdery mildew pathogens. Although the predicted RPW8.1 and RPW8.2 proteins are different from the previously characterized R proteins, they induce Localized, salicylic acid-dependent defenses similar to those induced by R genes that control specific resistance. Apparently, broad-spectrum resistance mediated by RPW8 uses the same mechanisms as specific resistance.

引用

页码：118 / 120

页数：3

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