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Zoo animals as reservoirs of gram-negative bacteria harboring integrons and antimicrobial resistance genes.

ABSTRACT: A total of 232 isolates of gram-negative bacteria were recovered from mammals, reptiles, and birds housed at Asa Zoological Park, Hiroshima prefecture, Japan. Forty-nine isolates (21.1%) showed multidrug resistance phenotypes and harbored at least one antimicrobial resistance gene. PCR and DNA sequencing identified class 1 and class 2 integrons and many beta-lactamase-encoding genes, in addition to a novel AmpC beta-lactamase gene, bla(CMY-26). Furthermore, the plasmid-mediated quinolone resistance genes qnr and aac(6')-Ib-cr were also identified.

SUBMITTER: Ahmed AM 

PROVIDER: S-EPMC2075039 | biostudies-literature | 2007 Oct

REPOSITORIES: biostudies-literature

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Zoo animals as reservoirs of gram-negative bacteria harboring integrons and antimicrobial resistance genes.

Ahmed Ashraf M AM   Motoi Yusuke Y   Sato Maiko M   Maruyama Akito A   Watanabe Hitoshi H   Fukumoto Yukio Y   Shimamoto Tadashi T  

Applied and environmental microbiology 20070824 20

A total of 232 isolates of gram-negative bacteria were recovered from mammals, reptiles, and birds housed at Asa Zoological Park, Hiroshima prefecture, Japan. Forty-nine isolates (21.1%) showed multidrug resistance phenotypes and harbored at least one antimicrobial resistance gene. PCR and DNA sequencing identified class 1 and class 2 integrons and many beta-lactamase-encoding genes, in addition to a novel AmpC beta-lactamase gene, bla(CMY-26). Furthermore, the plasmid-mediated quinolone resista  ...[more]

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