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Potential pathogenicity and antibiotic resistance of aquatic Vibrio isolates from freshwater in Slovakia
J. Valáriková, J. Korcová, J. Ziburová, J. Rosinský, A. Čížová, S. Bieliková, M. Sojka, P. Farkaš,
Language English Country United States
Document type Journal Article
Grant support
ITMS 26240120031
Centre of Excellence for Glycomics, Research & Development Operational Programme ERDF
2/0093/17
VEGA Ministry of Education, Science, Research and Sport of the Slovak Republic
- MeSH
- Anti-Bacterial Agents pharmacology MeSH
- Drug Resistance, Bacterial * MeSH
- Bacterial Proteins genetics MeSH
- Water Microbiology * MeSH
- Fresh Water microbiology MeSH
- Vibrio drug effects genetics pathogenicity MeSH
- Publication type
- Journal Article MeSH
- Geographicals
- Slovakia MeSH
This study aimed to evaluate the potential pathogenicity and antibiotic resistance of 31 environmental Vibrio isolates obtained from surface water in southern and eastern Slovakia. Isolates were identified as Vibrio cholerae non-O1/non-O139 and Vibrio metschnikovii by biochemical tests, MALDI biotyping, and 16S RNA gene sequencing. Analysis of the susceptibility to 13 antibacterial agents showed susceptibility of all isolates to ciprofloxacin, trimethoprim/sulfamethoxazole, chloramphenicol, gentamicin, imipenem, tetracyclin, and doxycycline. We recorded high rates of resistance to β-lactams and streptomycin. Investigation of antibiotic resistance showed five different antibiotic profiles with resistance to antibacterials from three classes, but no multidrug resistance was observed. The investigation of the pathogenic potential of V. cholerae isolates showed that neither the cholera toxin coding gene ctxA nor the genes zot (zonula occludens toxin), ace (accessory cholera toxin), and tcpA (toxin-coregulated pilus) were present in any of 31 isolated samples. Gene ompU (outer membrane protein) was confirmed in 80% and central regulatory protein-coding gene toxR in 71% of V. cholerae isolates, respectively. A high prevalence of the hemolysin coding gene hlyA in all V. cholerae was observed. The data point toward the importance of systematic monitoring and comparative studies of potentially pathogenic vibrios in European countries.
References provided by Crossref.org
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