Genotypic characterization of fluoroquinolone-resistant Escherichia coli isolates from edible offal

Se Hyun Son, Kwang Won Seo, Yeong Bin Kim, Eun Bi Noh, Keun Woo Lee, Tae Ho Oh, Seung Joon Kim, Jae Chan Song, Tae Wan Kim, Young Ju Lee

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1 Scopus citations

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.

Original languageEnglish
Pages (from-to)173-177
Number of pages5
JournalKorean Journal of Veterinary Research
Volume60
Issue number3
DOIs
StatePublished - 2020

Keywords

  • Edible offal
  • Escherichia coli
  • Fluoroquinolones
  • Molecular typing
  • Quinolone resistance-determining region

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