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    Characterization of Shiga Toxigenic Escherichia coli O157 and Non-O157 Isolates from Ruminant Feces in Malaysia

    236079_236079.pdf (1.169Mb)
    Access Status
    Open access
    Authors
    Perera, A.
    Clarke, C.
    Dykes, Gary
    Fegan, N.
    Date
    2015
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Perera, A. and Clarke, C. and Dykes, G. and Fegan, N. 2015. Characterization of Shiga Toxigenic Escherichia coli O157 and Non-O157 Isolates from Ruminant Feces in Malaysia. BioMed Research International. 2015: Article ID 382403.
    Source Title
    BioMed Research International
    DOI
    10.1155/2015/382403
    ISSN
    2314-6133
    School
    School of Public Health
    Remarks

    This open access article is distributed under the Creative Commons license http://creativecommons.org/licenses/by/3.0/

    URI
    http://hdl.handle.net/20.500.11937/20917
    Collection
    • Curtin Research Publications
    Abstract

    Shiga toxigenic Escherichia coli (STEC) O157 and several other serogroups of non-O157 STEC are causative agents of severe disease in humans world-wide. The present study was conducted to characterize STEC O157 and non-O157 serogroups O26, O103, O111, O121, O45, and O145 in ruminants in Malaysia. A total of 136 ruminant feces samples were collected from 6 different farms in Peninsular Malaysia. Immunomagnetic beads were used to isolate E. coli O157 and non-O157 serogroups, while PCR was used for the detection and subtyping of STEC isolates. STEC O157:H7 was isolated from 6 (4%) feces samples and all isolates obtained carried stx2c,  eaeA-γ1, and ehxA. Non-O157 STEC was isolated from 2 (1.5%) feces samples with one isolate carrying stx1a, stx2a, stx2c, and ehxA and the other carrying stx1a alone. The presence of STEC O157 and non-O157 in a small percentage of ruminants in this study together with their virulence characteristics suggests that they may have limited impact on public health.

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