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  • Colonisation phenotype and colonisation potential differences in Campylobacter jejuni strains in chickens before and after passage in vivo

    Author(s)
    Ringoir, DD
    Korolik, V
    Griffith University Author(s)
    Korolik, Victoria
    Ringoir, Danielle D.
    Year published
    2003
    Metadata
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    Abstract
    Campylobacter jejuni strains isolated from chicken faeces and from humans suffering from gastroenteritis were used to determine the colonisation phenotypes and colonisation potential of these strains in chickens. Five different colonisation types were observed ranging from immediate and sustained colonisation to completely non-colonising. Phenotype one showed immediate colonisation with prolonged excretion of viable C. jejuni bacteria. Phenotype two showed delayed colonisation with prolonged excretion of viable C. jejuni bacteria. Phenotype three showed immediate colonisation and delayed clearing of viable C. jejuni bacteria. ...
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    Campylobacter jejuni strains isolated from chicken faeces and from humans suffering from gastroenteritis were used to determine the colonisation phenotypes and colonisation potential of these strains in chickens. Five different colonisation types were observed ranging from immediate and sustained colonisation to completely non-colonising. Phenotype one showed immediate colonisation with prolonged excretion of viable C. jejuni bacteria. Phenotype two showed delayed colonisation with prolonged excretion of viable C. jejuni bacteria. Phenotype three showed immediate colonisation and delayed clearing of viable C. jejuni bacteria. Phenotype four showed delayed colonisation and delayed clearing of viable C. jejuni bacteria. Strains of phenotype five could not colonise chickens. Inoculum levels to obtain maximum caecal colonisation for each phenotype for strains cultured in vitro and in vivo was also determined. Following passage in vivo through a chicken, the minimum inoculum required for sustained colonisation dropped approximately 1000-fold, however, the colonisation phenotype remained unchanged before and after a passage in vivo.
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    Journal Title
    Veterinary Microbiology
    Volume
    92
    DOI
    https://doi.org/10.1016/S0378-1135(02)00378-4
    Subject
    Microbiology
    Veterinary Sciences
    Publication URI
    http://hdl.handle.net/10072/6231
    Collection
    • Journal articles

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