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KMID : 0545120140240030386
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Journal of Microbiology and Biotechnology
2014 Volume.24 No. 3 p.386 ~ p.393
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Characterization of Veterinary Hospital-Associated Isolates of Enterococcus Species in Korea
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Chung Yeon-Soo
Kwon Ka-Hee
Shin Sook
Kim Jae-Hong
Park Yong-Ho
Yoon Jang-Won
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Abstract
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Possible cross-transmission of hospital-associated enterococci between human patients, medical staff, and hospital environments has been extensively studied. However, limited information is available for veterinary hospital-associated Enterococcus isolates. This study investigated the possibility of cross-transmission of antibiotic-resistant enterococci between dog patients, their owners, veterinary staff, and hospital environments. Swab samples (n =46 5) were obtained from five veterinary hospitals in Seoul, Korea, during 2011. Forty-three Enterococcus strains were isolated, representing seven enterococcal species. E. faecalis and E. faecium were the most dominant species (16 isolates each, 37.2%). Although slight differences in the antibiotic resistance profiles were observed between the phenotypic and the genotypic data, our antibiogram analysis demonstrated high prevalence of the multiple drug-resistant (MDR) isolates of E. faecalis (10/16 isolates, 62.5%) and E. faecium (12/16 isolates, 75.0%). Pulsed-field gel electrophoretic comparison of the MDR isolates revealed three different clonal sets of E. faecalis and a single set of E. faecium, which were isolated from different sample groups or dog patients at the same or two separate veterinary hospitals. These results imply a strong possibility of cross-transmission of the antibiotic-resistant enterococcal species between animal patients, owners, veterinary staff, and hospital environments.
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KEYWORD
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Antibiotic resistance, Enterococci, Veterinary hospitals, Genetic relatedness, Cross-transmission
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