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    First touch: An immediate response to surface recognition in conidia of Blumeria graminis

    Access Status
    Fulltext not available
    Authors
    Nielsen, K.
    Nicholson, R.
    Carver, T.
    Kunoh, H.
    Oliver, Richard
    Date
    2000
    Type
    Journal Article
    
    Metadata
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    Citation
    NIELSEN KA, NICHOLSON RL, CARVER TLW, KUNOH H & OLIVER RP (2000): First touch: An immediate response to surface recognition in conidia of Blumeria graminis. Physiological and Molecular Plant Pathology. 56 63-70
    DOI
    10.1006/pmpp.1999.0241
    Faculty
    Department of Environmental & Agriculture
    School of Agriculture and Environment
    Faculty of Science and Engineering
    Remarks

    A copy of this item may be available from Professor Richard Oliver

    Email: Richard.oliver@curtin.edu.au

    URI
    http://hdl.handle.net/20.500.11937/31992
    Collection
    • Curtin Research Publications
    Abstract

    Conidia of the plant pathogen Blumeria graminis recognize and respond to features of certain substrata. Appropriate surfaces induce release of an extracellular proteinaceous matrix from the body of the conidium. Contact with a hydrophobic substratum elicits almost immediate release of the matrix at the contact interface. In this investigation we present, for the first time, evidence that recognition of the substratum by conidia can stimulate uptake of anionic, low-molecular-weight materials before germination. This facilitated transport could be a mechanism for recognition of the host and determination of the direction of growth of the emerging germ tube toward the host leaf surface.

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