TempleBernierHintz2009

Reference

Temple, B., Bernier, L., Hintz, W.E. (2009) Characterisation of the polygalacturonase gene of the Dutch elm disease pathogen Ophiostoma novo-ulmi. New Zealand Journal of Forestry Science, 39(1):29-37. (Scopus )

Abstract

The fungal pathogens Ophiostoma ulmi (Buisman) Nannf. and O. novo-ulmi Brasier, the causal agents of Dutch elm disease, are responsible for decimation of elms in the Northern Hemisphere during the twentieth and twenty-first centuries. Pectinolytic enzymes, including polygalacturonase, have been implicated as virulence factors in the life history of many fungi. To determine the role of polygalacturonase in Dutch elm disease, we cloned and characterised the polygalacturonase gene from the highly aggressive O. novo-ulmi. This gene was similar to polygalacturonase genes of other fungi, and was present as a single copy in the genome. Genetic disruption of the gene was not lethal to the pathogen but led to a reduction of pectinolytic activity in vitro. It appears, therefore, that polygalacturonase has a limited role in fungal virulence and parasitic fitness in the life history of O. novo-ulmi. ©2009 New Zealand Forest Research Institute Limited, trading as Scion.

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@ARTICLE { TempleBernierHintz2009,
    AUTHOR = { Temple, B. and Bernier, L. and Hintz, W.E. },
    TITLE = { Characterisation of the polygalacturonase gene of the Dutch elm disease pathogen Ophiostoma novo-ulmi },
    JOURNAL = { New Zealand Journal of Forestry Science },
    YEAR = { 2009 },
    VOLUME = { 39 },
    PAGES = { 29-37 },
    NUMBER = { 1 },
    ABSTRACT = { The fungal pathogens Ophiostoma ulmi (Buisman) Nannf. and O. novo-ulmi Brasier, the causal agents of Dutch elm disease, are responsible for decimation of elms in the Northern Hemisphere during the twentieth and twenty-first centuries. Pectinolytic enzymes, including polygalacturonase, have been implicated as virulence factors in the life history of many fungi. To determine the role of polygalacturonase in Dutch elm disease, we cloned and characterised the polygalacturonase gene from the highly aggressive O. novo-ulmi. This gene was similar to polygalacturonase genes of other fungi, and was present as a single copy in the genome. Genetic disruption of the gene was not lethal to the pathogen but led to a reduction of pectinolytic activity in vitro. It appears, therefore, that polygalacturonase has a limited role in fungal virulence and parasitic fitness in the life history of O. novo-ulmi. ©2009 New Zealand Forest Research Institute Limited, trading as Scion. },
    COMMENT = { Export Date: 2 October 2009 Source: Scopus },
    ISSN = { 00480134 (ISSN) },
    KEYWORDS = { Cell wall degrading enzymes, Dutch elm disease, Parasitic fitness factor, Pectinase, Phytopathogen, Polygalacturonase, Virulence, Cell wall degrading enzymes, Dutch elm disease, Parasitic fitness factor, Pectinase, Phytopathogen, Polygalacturonase, Virulence, Atmospherics, Catalysts, Cell membranes, Enzymes, Fungi, Health, Pathogens, enzyme, fitness, fungal disease, genetic analysis, life history, Northern Hemisphere, pathogen, virulence, Fungi, Ophiostoma novo-ulmi, Ophiostoma ulmi, Ulmus },
    OWNER = { Luc },
    TIMESTAMP = { 2009.10.02 },
    URL = { http://www.scopus.com/inward/record.url?eid=2-s2.0-67650931266&partnerID=40 },
}

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