Genetic Dissection of Verticillium Wilt Resistance Mediated by Tomato Ve1

被引：388

作者：

Fradin, Emilie F. ^{[1
,2
]}

Zhang, Zhao ^{[1
,3
]}

Ayala, Juan C. Juarez ^{[4
]}

Castroverde, Christian D. M. ^{[4
]}

Nazar, Ross N. ^{[4
]}

Robb, Jane ^{[4
]}

Liu, Chun-Ming ^{[3
]}

Thomma, Bart P. H. J. ^{[1
,2
]}

机构：

[1] Wageningen Univ, Phytopathol Lab, NL-6709 PD Wageningen, Netherlands

[2] Ctr BioSyst Genom, NL-6700 AB Wageningen, Netherlands

[3] Chinese Acad Sci, Ctr Signal Transduct & Metabol, Inst Bot, Beijing 100093, Peoples R China

[4] Univ Guelph, Dept Mol & Cellular Biol, Guelph, ON N1G 2W1, Canada

来源：

PLANT PHYSIOLOGY | 2009年 / 150卷 / 01期

基金：

加拿大自然科学与工程研究理事会;

关键词：

RECEPTOR-LIKE PROTEINS; PLANT-DISEASE RESISTANCE; CLADOSPORIUM-FULVUM; HYPERSENSITIVE RESPONSE; FUNCTIONAL-ANALYSIS; FUNGAL PATHOGEN; CELL-DEATH; CF-9; DEFENSE; DAHLIAE;

D O I：

10.1104/pp.109.136762

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Vascular wilt diseases caused by soil-borne pathogens are among the most devastating plant diseases worldwide. The Verticillium genus includes vascular wilt pathogens with a wide host range. Although V. longisporum infects various hosts belonging to the Cruciferaceae, V. dahliae and V. albo-atrum cause vascular wilt diseases in over 200 dicotyledonous species, including economically important crops. A locus responsible for resistance against race 1 strains of V. dahliae and V. albo-atrum has been cloned from tomato (Solanum lycopersicum) only. This locus, known as Ve, comprises two closely linked inversely oriented genes, Ve1 and Ve2, that encode cell surface receptor proteins of the extracellular leucine-rich repeat receptor-like protein class of disease resistance proteins. Here, we show that Ve1, but not Ve2, provides resistance in tomato against race 1 strains of V. dahliae and V. albo-atrum and not against race 2 strains. Using virus-induced gene silencing in tomato, the signaling cascade downstream of Ve1 is shown to require both EDS1 and NDR1. In addition, NRC1, ACIF, MEK2, and SERK3/BAK1 also act as positive regulators of Ve1 in tomato. In conclusion, Ve1-mediated resistance signaling only partially overlaps with signaling mediated by Cf proteins, type members of the receptor-like protein class of resistance proteins.

引用

页码：320 / 332

页数：13

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