Ornamental fish as a source of plasmid-mediated quinolone resistance genes and antibiotic resistance plasmids
Language English Country Netherlands Media print-electronic
Document type Journal Article, Research Support, Non-U.S. Gov't
PubMed
24629900
DOI
10.1016/j.vetmic.2014.02.011
PII: S0378-1135(14)00088-1
Knihovny.cz E-resources
- Keywords
- Aeromonas, Ornamental fish, Plasmids, Quinolone resistance,
- MeSH
- Aeromonas genetics MeSH
- Anti-Bacterial Agents pharmacology MeSH
- Drug Resistance, Bacterial genetics MeSH
- Ciprofloxacin pharmacology MeSH
- DNA Primers genetics MeSH
- Gram-Negative Bacterial Infections genetics veterinary MeSH
- Carps microbiology MeSH
- Humans MeSH
- Microbial Sensitivity Tests veterinary MeSH
- Molecular Sequence Data MeSH
- Fish Diseases microbiology MeSH
- Plasmids genetics MeSH
- Polymerase Chain Reaction veterinary MeSH
- Base Sequence MeSH
- Sequence Analysis, DNA veterinary MeSH
- Blotting, Southern veterinary MeSH
- Aquaculture MeSH
- Animals MeSH
- Check Tag
- Humans MeSH
- Animals MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
- Geographicals
- Czech Republic MeSH
- Names of Substances
- Anti-Bacterial Agents MeSH
- Ciprofloxacin MeSH
- DNA Primers MeSH
Growing ornamental fish industry is associated with public health concerns including extensive antibiotic use accompanied by increasing antibiotic resistance. The aim of this study was to analyze Aeromonas isolates from imported tropical ornamental fish and coldwater koi carps bred in the Czech Republic to assess the potential risk of ornamental fish as a source of plasmid-mediated quinolone resistance genes (PMQR) and antibiotic resistance plasmids. A collection of Aeromonas spp. with reduced susceptibility to ciprofloxacin (MIC ≥ 0.05 mg/L) was selected for the detection of PMQR genes. Isolates harbouring PMQR genes were further analyzed for the additional antibiotic resistance, integron content, clonality, biofilm production and transferability of PMQR genes by conjugation and transformation. Comparative analysis of plasmids carrying PMQR genes was performed. Fifteen (19%, n=80) isolates from koi carps and 18 (24%, n=76) isolates from imported ornamental fish were positive for qnrS2, aac(6')-Ib-cr or qnrB17 genes. PMQR-positive isolates from imported ornamental fish showed higher MIC levels to quinolones, multiresistance and diverse content of antibiotic resistance genes and integrons compared to the isolates from the carps. Related IncU plasmids harbouring qnrS2 and aac(6')-Ib-cr genes were found in Aeromonas spp. from imported ornamental fish and koi carps from various geographical areas. Ornamental fish may represent a potential source of multiresistant bacteria and mobile genetic elements for the environment and for humans.
References provided by Crossref.org
Main bacterial species causing clinical disease in ornamental freshwater fish in Brazil
