THE ASSESSMENT OF WATER SANITARY QUALITY AND THE PRESENCE OF DRUG-RESISTANT Escherichia coli STRAINS IN WATERS USED FOR RECREATION IN LESSER POLAND
Journal Title: Folia Pomeranae Universitatis Technologiae Stetinensis Agricultura Alimentaria Piscaria et Zootechnica - Year 2017, Vol 41, Issue 332
Abstract
The presence of multi-drug resistant bacteria is no longer only a clinical problem because increasingly, during the microbiological water and soil analysis, the antibiotic resistant bacteria are isolated, which can be a significant health hazard. The aim of this study was the assessment of water sanitary quality and the occurrence of drug resistant strains of Escherichia coli in 10 sampling points located on selected water reservoirs used for recreation on the Dunajec river and reservoirs in Kraków area and Kryspinów. Collected water samples were examined by the membrane filtration technique to assess the number of E. coli. Drug resistance was tested using the disc diffusion method as well as the ESBL assay according to KORLD and EUCAST standards. Based on the results, it was found that in two sampling points located on the Biały Dunajec river the population of E. coli exceeded standards intended for bathing. Resistant strains were isolated mainly in one bathing place - Kryspinów – Na Piaskach, but they were also present in the waters of the Dunajec river. Most often isolates were resistant only to one of the tested antibiotics, the multidrug resistant E. coli were no isolated. The tested strains were mainly resistant to ticarcillin, sulfamethoxazole/trimethoprim and tetracycline. All the tested strains were ESBL negative.
Authors and Affiliations
Maria J. CHMIEL, Paulina WÓJTOWICZ, Ewelina ŁOJAS
Keywords
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