detection of resistance genes and evaluation of water quality at zoo lakes in brazil
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ID: 135194
2016
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Abstract
ABSTRACT: The investigation of the presence of antibiotic-resistance genes in aquatic environments is important to identify possible reservoirs of resistant microorganisms that could be a threat to human and animal health. The aims of this study were to analyze the presence of genes conferring resistance to antimicrobials in the aquatic environment and to assess the quality of water in zoo lakes. Results showed a pattern of genes conferring resistance to multiple antibiotics and turbidity, which was expected to be due to the presence of contaminants. The most frequent genes were sul I and sul II (sulfonamides), which were present in all the lakes, followed by genes encoding β-lactamases such as blaPSE I (77.8%) and ampC (66.7%). However, tet(K), tet(M), and ermC genes were not detected. There was a positive correlation between the number of Enterobacteriaceae and resistance genes. In conclusion, the source of contamination of all lakes was probably the neighboring urban sewage or wastewater that increased the frequency of the total coliforms and resistance genes, which in turn posed a threat to the conservation of the animal life inhabiting the zoo.
| Reference Key |
faria2016cinciadetection
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| Authors | ;Ana Carolina Silva de Faria;Isabela de Godoy;Anderson Aparecido Amorim Sanches;Gabriela Accardi Iglesias;Stefhano Luiz Candido;Regina Célia Rodrigues da Paz;Luciano Nakazato;Valéria Dutra |
| Journal | Trials |
| Year | 2016 |
| DOI |
10.1590/0103-8478cr20150827
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| URL | |
| Keywords | Keywords not found |
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