ArticleBiomedica : revista del Instituto Nacional de Salud2023
First report of the prevalence of Shiga toxinproducing Escherichia coli in ground beef in Quindío, Colombia.
Article in Biomedica : revista del Instituto Nacional de Salud, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Molecular detection of Shiga toxin-producingVeterinary world · 2025Article
- Prevalence of Shiga toxin-producing Escherichia Coli O157 in Moroccan food and antimicrobial resistance profiles of the strains isolated.World journal of microbiology & biotechnology · 2025Article
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3 authors.
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Abstract
introductionShiga toxin-producing Escherichia coli (STEC) is a foodborne pathogen associated with clinical cases of diarrhea in humans. Its main virulence factors are the Shiga toxins (Stx1 and Stx2). Cattle are the main reservoir of STEC, and many outbreaks in humans have been related to the consumption of undercooked ground beef contaminated with this pathogen.
objectiveTo determine the prevalence of STEC in ground beef commercialized in all the butcher shops of a township in the department of Quindío and to characterize the virulence genes of the strains found. MATERIALS AND
methodsThirty ground beef samples were taken in three different times; stx genes and other STEC virulence factors (eae, ehxA, saa) were detected by multiplex PCR.
resultsThe overall prevalence of STEC was 33.33 % (10/30 positive samples). We isolated eight non-O157 (LEE-negative) strains with four different genetic profiles: stx2 / stx2-ehxA-saa / stx1-stx2-ehxA-saa / stx1-saa.
conclusionThis is the first report on the prevalence of STEC in ground beef in a township in the department of Quindío.
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