首页|A glycine-rich nuclear effector VdCE51 of Verticillium dahliae suppresses plant immune responses by inhibiting the accumulation of GhTRXH2

A glycine-rich nuclear effector VdCE51 of Verticillium dahliae suppresses plant immune responses by inhibiting the accumulation of GhTRXH2

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Verticillium dahliae is an important soil-borne fungal pathogen that causes great yield losses in many cash crops.Effectors of this fungus are known to regulate plant immunity but the mechanism much remains unclear.A glycine-rich nuclear effector,VdCE51,was able to suppress immune responses in tobacco against Botrytis cinerea and Sclerotinia sclerotiorum.This effector was a required factor for full virulence of V.dahliae,and its nuclear localization was a requisite for suppressing plant immunity.The thioredoxin GhTRXH2,identified as a positive regulator of plant immunity,was a host target of VdCE51.Our findings show a virulence regulating mechanism whereby the secreted nuclear effector VdCE51 interferes with the transcription of PR genes,and the SA signaling pathway by inhibiting the accumulation of GhTRXH2,thus suppressing plant immunity.

Verticillium dahliaePlant immunityEffectorThioredoxin

Chi Li、Yingqi Huang、Wenjing Shang、Jieyin Chen、Steven J.Klosterman、Krishna V.Subbarao、Jun Qin、Xiaoping Hu

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State Key Laboratory of Crop Stress Resistance and High-Efficiency Production,Key Laboratory of Plant Protection Resources and Pest Management of Ministry of Education,Key Laboratory of Integrated Pest Management on the Loess Plateau of Ministry of Agriculture and Rural Affairs,College of Plant Protection,Northwest A&F University,Yangling 712100,Shaanxi,China

State Key Laboratory for Biology of Plant Diseases and Insect Pests,Institute of Plant Protection,Chinese Academy of Agricultural Sciences,Beijing 100193,China

Western Agricultural Research Center,Chinese Academy of Agricultural Sciences,Changji 831100,Xinjiang,China

Agricultural Research Service,United States Department of Agriculture,Salinas,CA 93905,USA

Department of Plant Pathology,University of California,Davis,c/o United States Agricultural Research Station,Salinas,CA 93905,USA

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国家重点研发计划Natural Science Basic Research Program of Shannxi Province

2018YFE01125002024JC-YBMS-183

2024

10.1016/j.cj.2024.06.010

作物学报(英文版)

作物学报(英文版)

CSTPCD
ISSN：
年,卷(期)：2024.12(4)
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