Abstract
Thirty of 33 epidemiologically unrelated extended-spectrum β-lactamase (ESBL)-producing Escherichia coli isolates from healthy poultry lacked the virulence genes commonly associated with human-pathogenic strains. The main zoonotic risk is associated with the broad host range of avian E. coli belonging to sequence type complex 10 and of IncN and IncI1 plasmids carrying bla(CTX-M) or bla(SHV).
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Animals
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Bacterial Typing Techniques
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Chickens / microbiology*
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Disease Reservoirs / microbiology
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Disease Reservoirs / veterinary
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Escherichia coli / classification
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Escherichia coli / genetics
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Escherichia coli / isolation & purification
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Escherichia coli / pathogenicity*
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Escherichia coli Infections / microbiology
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Escherichia coli Infections / veterinary*
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Feces / microbiology
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Genes, Bacterial
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Host Specificity*
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Humans
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Multilocus Sequence Typing
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Phenotype
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Poultry / microbiology*
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Virulence
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Virulence Factors / genetics
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Zoonoses / microbiology
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beta-Lactamases / biosynthesis
Substances
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Virulence Factors
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beta-Lactamases