Detection of virulence genes associated with diarrheagenic pathotypes in Escherichia coli isolates from local beverages and ice samples in Ouagadougou
Paper Details
Detection of virulence genes associated with diarrheagenic pathotypes in Escherichia coli isolates from local beverages and ice samples in Ouagadougou
Abstract
Escherichia coli is one of the foodborne pathogens responsible for diarrhea with approximately 2 million deaths per year. The objective of this study was to determine the virulence genes of diarrheal E. coli isolated from local beverages and ice blocks. One hundred and twenty-one Escherichia coli strains isolated from local beverages and ice blocks were examined for virulence genes associated with diarrheagenic pathotypes. Twenty-one (17.3%) of the 121 E. coli strains carried the virulence genes. Nineteen (5.2%) of the isolates harbored the eae gene. The eae gene present in the EPEC was found in 6 strains isolated from “gnamakoudjii“, 6 strains isolated from “zoom-koom“, 6 strains isolated from ice blocks and 1 strain isolated from “bissap“. Shiga toxin genes, the stx2 gene present in STEC was observed in 2 strains isolated from “zoom-koom” and food ice, respectively. The stx1 and estla genes present in STEC-ETEC were detected only in one strain of E. coli isolated from “zoom-koom“. E. coli produces some virulence factors, which may be involved in human disease, constituting a public health concern.
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G. Bsadjo Tchamba, H. Bawa Ibrahim, N. Barro (2022), Detection of virulence genes associated with diarrheagenic pathotypes in Escherichia coli isolates from local beverages and ice samples in Ouagadougou; IJB, V21, N1, July, P192-199
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