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The rate of frequent co-existence of plasmid-mediated quinolone resistance (PMQR) and extended-spectrum β-lactamase (ESBL) genes in Escherichia coli isolates from retail raw chicken in South Korea : The rate of frequent co-existence of plasmid-mediated quinolone resistance (PMQR) and extended-spectrum beta-lactamase (ESBL) genes in Escherichia coli isolates from retail raw chicken in South Korea
Cited 1 time in
Web of Science
Cited 1 time in Scopus
- Authors
- Issue Date
- 2022-06
- Publisher
- 한국식품과학회
- Citation
- Food Science and Biotechnology, Vol.31 No.6, pp.739-743
- Abstract
- © 2022, The Korean Society of Food Science and Technology.Since plasmid-encoded antibiotic resistance facilitates the emergence of antibiotic-resistant bacteria, the increasing prevalence of Escherichia coli harboring plasmid-mediated quinolone resistance (PMQR) and extended-spectrum β-lactamase (ESBL) genes is a public health concern. The objective of this study is to investigate the co-existence of PMQR and ESBL genes in E. coli isolates from retail raw chicken in South Korea. Among 67 ESBL-producing E. coli isolates from 40 retail raw chicken, more than half of them carried PMQR genes, including qnrS, aac(6′)-Ib-cr, and oqxAB. The qnrS was predominantly (91.4%) detected in E. coli isolates carrying both PMQR and ESBL. The aac(6′)-Ib-cr was detected in seven ESBL-producing E. coli strains, and 85.7% of the aac(6′)-Ib-cr-positive strains also carried qnrS. Moreover, the strains co-harboring qnrS and aac(6′)-Ib-cr exhibited increased resistance to ciprofloxacin and kanamycin. These results demonstrate that PMQR genes are frequently detected in ESBL-producing E. coli isolates from retail raw chicken in South Korea.
- ISSN
- 1226-7708
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