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  • Title: Comparison of Campylobacter jejuni PFGE and Penner subtypes in human infections and in water samples from the Taieri River catchment of New Zealand.
    Author: Eyles RF, Brooks HJ, Townsend CR, Burtenshaw GA, Heng NC, Jack RW, Weinstein P.
    Journal: J Appl Microbiol; 2006 Jul; 101(1):18-25. PubMed ID: 16834587.
    Abstract:
    AIMS: To determine the degree of overlap in strain types of Campylobacter jejuni isolated from clinical cases and water samples from the Taieri catchment in the South Island of New Zealand. METHODS AND RESULTS: Thermophilic Campylobacter were collected from human cases of infection, the main stem of the Taieri River and streams within distinct land-use types over a 1-year period. Campylobacter jejuni (187 isolates) and Campylobacter lari (four isolates) were identified using a multiplex polymerase chain reaction protocol. Isolates were typed by the Penner method and pulsed-field gel electrophoresis (PFGE) utilizing two restriction endonucleases. Several serotypes and PFGE types occurred in both water samples and clinical cases when the restriction profiles for each enzyme were considered separately. However, when PFGE profiles and serotyping were combined, there was no overlap between Camp. jejuni types from water and clinical cases. CONCLUSIONS: The results of this study indicate that recreational water in the Taieri catchment is not a major source of campylobacteriosis in the Dunedin area. SIGNIFICANCE AND IMPACT OF THE STUDY: This study suggests the risk of acquiring campylobacteriosis from surface waters in the Taieri catchment is considerably lower than previously predicted and highlights the necessity of using two endonucleases in PFGE typing.
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