Abstract
The emergence and spread of antibiotic-resistant bacteria in the environment is a serious medical and environmental problem worldwide. An important reservoir of such bacteria are aquatic ecosystems, which are polluted by human waste, agricultural and industrial wastewater. Antibiotic-resistant bacteria are able to transfer their genes to other aquatic bacteria, which thus acquire new resistance genes. The aim of this study is to assess the antibiotic resistance of bacteria isolated from the rivers of the Kaluga region, which are most susceptible to the effects of urbanization and agriculture. Water samples were taken from the Oka, Yachenka, Kaluzhka, Ugra rivers. Most often, Escherichia coli, Pseudomonas aeruginosa, Staphylococcus aureus, Enterococcus faecalis, Enterobacter aerogenes, Bacillus subtilis, Clostridium perfringens, Klebsiella spp., Alcaligenes faecalis, Aeromonas spp. Were sown from water samples. Studies have shown that all isolated microorganisms have multi-resistance to one degree or another. But Escherichia coli, Pseudomonas aeruginosa, Enterococcus faecalis, and Alcaligenes faecalis had the greatest resistance to various antibiotics.
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