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    Broad-spectrum mildew resistance in Arabidopsis thaliana mediated by RPW8

    Access Status
    Fulltext not available
    Authors
    Xiao, Shunyuan
    Ellwood, Simon
    Calis, Ozer
    Patrick, Elaine
    Li, Tianxian
    Coleman, Mark
    Turner, John
    Date
    2001
    Type
    Journal Article
    
    Metadata
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    Citation
    Xiao, Shunyuan and Ellwood, Simon and Calis, Ozer and Patrick, Elaine and Li, Tianxian and Coleman, Mark and Turner, John. 2001. Broad-spectrum mildew resistance in Arabidopsis thaliana mediated by RPW8. Science 291 (5501): pp. 118-120.
    Source Title
    Science
    DOI
    10.1126/science.291.5501.118
    ISSN
    00368075
    URI
    http://hdl.handle.net/20.500.11937/20803
    Collection
    • Curtin Research Publications
    Abstract

    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, RPW8.1and 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.

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