Data/hora: 06/06/2024 06:36:52

Provedor de dados: | 65
País: | Brazil
Título: | Detection of resistance genes and evaluation of water quality at zoo lakes in Brazil
Autores: | Faria,Ana Carolina Silva de; Godoy,Isabela de; Sanches,Anderson Aparecido Amorim; Iglesias,Gabriela Accardi; Candido,Stefhano Luiz; Paz,Regina Célia Rodrigues da; Nakazato,Luciano; Dutra,Valéria.
Data: | 2016-05-01
Ano: | 2016
Palavras-chave: | Multidrug resistance; Zoo pollution; Aquatic environment; Enterobacteriaceae.
Resumo: | 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.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782016000500860
Editor: | Universidade Federal de Santa Maria
Relação: | 10.1590/0103-8478cr20150827
Formato: | text/html
Fonte: | Ciência Rural  v.46 n.5 2016
Fonte: | info:eu-repo/semantics/openAccess