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Detection of virulence genes and the phylogenetic groups of Escherichia coli isolated from dogs in Brazil Ciência Rural
Coura,Fernanda Morcatti; Diniz,Amanda Nadia; Oliveira Junior,Carlos Augusto; Lage,Andrey Pereira; Lobato,Francisco Carlos Faria; Heinemann,Marcos Bryan; Silva,Rodrigo Otávio Silveira.
ABSTRACT: This study identified the virulence genes, pathovars, and phylogenetic groups of Escherichia coli strains obtained from the feces of dogs with and without diarrhea. Virulence genes and phylogenetic group identification were studied using polymerase chain reaction. Thirty-seven E. coli isolates were positive for at least one virulence factor gene. Twenty-one (57.8%) of the positive isolates were isolated from diarrheal feces and sixteen (43.2%) were from the feces of non-diarrheic dogs. Enteropathogenic E. coli (EPEC) were the most frequently (62.2%) detected pathovar in dog feces and were mainly from phylogroup B1 and E. Necrotoxigenic E. coli were detected in 16.2% of the virulence-positive isolates and these contained the cytotoxic necrotizing...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Dogs; Escherichia coli; Pathovars; Phylogroups.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782018000200452
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