ArticleCurrent microbiology2015
Transfer of tetracycline resistance genes with aggregation substance in food-borne Enterococcus faecalis.
Article in Current microbiology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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16 citing papers in PubMed, 46 citations in OpenAlex.
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- Antimicrobial resistance monitoring of commensal Enterococcus faecalis in broiler breeders.Poultry science · 2020Article
- Antimicrobial Resistance, Virulence Genes, and Biofilm Formation Capacity AmongFrontiers in microbiology · 2020Article
- Antimicrobial Resistance, Virulence Determinants, and Biofilm Formation ofFrontiers in microbiology · 2019Article
- Long-Term Colonization Dynamics of Enterococcus faecalis in Implanted Devices in Research Macaques.Applied and environmental microbiology · 2018Article
- Interspecies transfer of vancomycin, erythromycin and tetracycline resistance among Enterococcus species recovered from agrarian sources.BMC microbiology · 2017Article
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2 authors at 1 institution in 1 country.
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Abstract
Enterococcus faecalis has the ability to conjugate with the aid of aggregation substance (AS) and inducible sex pheromones to exchange genetic elements in food matrix. To evaluate the food safety condition and the transferable factor, 250 tetracycline-resistant food-borne E. faecalis were collected in Korea. Among the isolates, a majority of tetracycline-resistant isolates (49.6 %) harbored both the tet(M) and tet(L) genes together, followed by tet(M) (19.6 %), and tet(L) (6.8 %) alone. Also, we found the combination of tet(L)/tet(M)/tet(O) or tet(M)/tet(O). We identified two tet(S) genes including the isolate carrying tet(M) + tet(S) genes. Additionally, most E. faecalis were positive for cpd and ccf (both 96.8 %) followed by cob (57.2 %). Through mating experiments, we confirmed E. faecalis possessing the Int-Tn gene and/or any AS gene successfully transferred tet genes to JH2-2 E. faecalis, whereas neither E. faecalis carrying AS genes nor the Int-Tn gene showed the conjugation. Pulsed-field gel electrophoresis results supported a distinct pattern, implying transfer of genetic information. Our study revealed a high occurrence of tetracycline resistance genes in E. faecalis from various foods. The widespread dissemination of tetracycline resistance genes would be promoted to transfer tetracycline resistance genes by pheromone-mediated conjugation systems.
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