Curtin University Homepage
  • Library
  • Help
    • Admin

    espace - Curtin’s institutional repository

    JavaScript is disabled for your browser. Some features of this site may not work without it.
    View Item 
    • espace Home
    • espace
    • Curtin Research Publications
    • View Item
    • espace Home
    • espace
    • Curtin Research Publications
    • View Item

    Investigating the role of polyols in Cladosporium fulvum during growth under hyperosmotic stress and in planta

    Access Status
    Fulltext not available
    Authors
    Clark, A.
    Blissett, K.
    Oliver, Richard
    Date
    2003
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    CLARK AJ, BLISSETT KJ & OLIVER RP (2003) Investigating the role of polyols in Cladosporium fulvum during growth under hyperosmotic stress and in planta. Planta 216 614-619
    DOI
    10.1007/s00425-002-0833-2
    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/20.500.11937/20491
    Collection
    • Curtin Research Publications
    Abstract

    The role of the large amounts of polyols accumulated by the fungal tomato pathogen, Cladosporium fulvum (syn. Fulvia fulva, Cooke) both in planta and in axenic cultures has been examined. Arabinitol and glycerol accumulated in response to hyper-osmotic stress in vitro. Mannitol levels were lower in osmo-stressed mycelium. 13C NMR spectroscopy indicated that carbon flow from glucose to mannitol was redirected to arabinitol and glycerol in hyper-osmotic conditions. Infected tomato (Lycopersicon esculentum Mill.) plants contained all three polyols whereas glycerol was the only polyol present in uninfected plants, suggesting that the mannitol and arabinitol were of fungal origin. Substantially higher levels of arabinitol and glycerol were present in infected plants that were subjected to a restricted watering regime compared to fully watered plants. The results suggest that a primary role of fungal arabinitol and glycerol, but not mannitol, is osmoregulation and that water acquisition is an important aspect of pathogenicity.

    Related items

    Showing items related by title, author, creator and subject.

    • A metabolomic approach to dissecting osmotic stress in the wheat pathogen Stagonospora nodorum
      Lowe, R.; Lord, M.; Rybak, K.; Trengove, R.; Oliver, Richard; Solomon, P. (2008)
      A non-targeted metabolomics approach was used to identify significant changes in metabolism upon exposure of the wheat pathogen Stagonospora nodorum to 0.5 M NaCl. The polyol arabitol, and to a lesser extent glycerol, was ...
    • Mannitol is required for asexual sporulation in the wheat pathogen Stagonospora nodorum (glume blotch)
      Solomon, P.; Waters, Ormonde; Joergens, C.; Lowe, R.; Rechberger, J.; Trengove, R.; Oliver, Richard (2006)
      The physiological role of the mannitol cycle in the wheat pathogen Stagonospora nodorum (glume blotch) has been investigated by reverse genetics and metabolite profiling. A putative mannitol 2-dehydrogenase gene (Mdh1) ...
    • Mannitol is required for asexual sporulation in the wheat pathogen Stagonospora nodorum (glume blotch)
      Solomon, P.; Waters, O.; Jorgens, C.; Lowe, R.; Rechberger, J.; Trengove, R.; Oliver, Richard (2006)
      The physiological role of the mannitol cycle in the wheat pathogen Stagonospora nodorum (glume blotch) has been investigated by reverse genetics and metabolite profiling. A putative mannitol 2-dehydrogenase gene (Mdh1) ...
    Advanced search

    Browse

    Communities & CollectionsIssue DateAuthorTitleSubjectDocument TypeThis CollectionIssue DateAuthorTitleSubjectDocument Type

    My Account

    Admin

    Statistics

    Most Popular ItemsStatistics by CountryMost Popular Authors

    Follow Curtin

    • 
    • 
    • 
    • 
    • 

    CRICOS Provider Code: 00301JABN: 99 143 842 569TEQSA: PRV12158

    Copyright | Disclaimer | Privacy statement | Accessibility

    Curtin would like to pay respect to the Aboriginal and Torres Strait Islander members of our community by acknowledging the traditional owners of the land on which the Perth campus is located, the Whadjuk people of the Nyungar Nation; and on our Kalgoorlie campus, the Wongutha people of the North-Eastern Goldfields.