期刊
ENVIRONMENTAL MICROBIOLOGY
卷 20, 期 4, 页码 1350-1361出版社
WILEY
DOI: 10.1111/1462-2920.14030
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资金
- Canberra Hospital Private Practice Trust Fund
To investigate the factors determining the clonal composition of Escherichia coli in poultry meat samples, 306 samples were collected from 16 shops, representing three supermarket chains and an independent butchery located in each of the four town centers of Canberra, Australia, during the summer, autumn and winter. A total of 3415 E. coli isolates were recovered and assigned to a phylogenetic group using the Clermont quadruplex PCR method, fingerprinted using repetitive element palindromic (REP) PCR and screened for their antimicrobial susceptibility profiles. The probability of detecting E. coli and the number of fingerprint types detected per sample, as well as the phylogroup membership of the isolates and their antimicrobial sensitivity profiles varied, with one or more of retailer, store, meat type, season and husbandry. The results of this study demonstrate that poultry meat products are likely to be contaminated with a genetically diverse community of E. coli and suggest that factors relating to the nature of the meat product and distribution chain are determinants of the observed diversity.
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