Korean Journal of Veterinary Research (대한수의학회지)
- Volume 60 Issue 3
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- Pages.173-177
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- 2020
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- 2466-1384(pISSN)
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- 2466-1392(eISSN)
DOI QR Code
Genotypic characterization of fluoroquinolone-resistant Escherichia coli isolates from edible offal
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Son, Se Hyun
(College of Veterinary Medicine & Zoonoses Research Institute, Kyungpook National University) ;
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Seo, Kwang Won
(College of Veterinary Medicine & Zoonoses Research Institute, Kyungpook National University) ;
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Kim, Yeong Bin
(College of Veterinary Medicine & Zoonoses Research Institute, Kyungpook National University) ;
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Noh, Eun Bi
(College of Veterinary Medicine & Zoonoses Research Institute, Kyungpook National University) ;
- Lee, Keun-Woo (College of Veterinary Medicine & Zoonoses Research Institute, Kyungpook National University) ;
- Oh, Tae-Ho (College of Veterinary Medicine & Zoonoses Research Institute, Kyungpook National University) ;
- Kim, Seung-Joon (College of Veterinary Medicine & Zoonoses Research Institute, Kyungpook National University) ;
- Song, Jae-Chan (College of Veterinary Medicine & Zoonoses Research Institute, Kyungpook National University) ;
- Kim, Tae-Wan (College of Veterinary Medicine & Zoonoses Research Institute, Kyungpook National University) ;
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Lee, Young Ju
(College of Veterinary Medicine & Zoonoses Research Institute, Kyungpook National University)
- Received : 2020.04.09
- Accepted : 2020.07.10
- Published : 2020.09.30
Abstract
Edible offal is easily contaminated by Escherichia coli (E. coli) and fluoroquinolone (FQ)-resistant E. coli is considered a serious public health problem, thus, this study investigated the genetic characteristics of FQ-resistant E. coli from edible offal. A total of 22 FQ-resistant E. coli isolates were tested. A double mutation in each gyrA and parC led the highest MIC. Four (18.2%) isolates carried plasmid-mediated quinolone resistance genes. The fimH, eaeA, escV, astA, and iucC genes were confirmed. Seventeen isolates (77.3%) were positive for plasmid replicons. The isolates showed high genetic heterogeneity based on pulsed-field gel electrophoresis patterns.
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