ArticleCurrent microbiology2020
Distribution of Locus of Adhesion and Autoaggregation and hes Gene in STEC Strains from Countries of Latin America.
Article in Current microbiology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 14 citations in OpenAlex.
- Evaluation of the Humoral Response after Immunization with a Chimeric Subunit Vaccine against Shiga Toxin-ProducingVaccines · 2024Article
- Transcription levels of hes and their involvement in the biofilm formation of Shiga toxin-producing Escherichia coli O91.Veterinary research communications · 2024Article
- Phenotypic and genotypic characterization of Shiga toxin-producingFrontiers in microbiology · 2023Article
- Genome engineering of Stx1-and Stx2-converting bacteriophages unveils the virulence of the dairy isolateFrontiers in microbiology · 2023Article
- Whole-genome sequencing analysis of Shiga toxin-producing Escherichia coli O22:H8 isolated from cattle prediction pathogenesis and colonization factors and position in STEC universe phylogeny.Journal of microbiology (Seoul, Korea) · 2022Article
- Comparative genomic and phenotypic analyses of the virulence potential in Shiga toxin-producingFrontiers in cellular and infection microbiology · 2022Article
- High prevalence and pathogenic potential of Shiga toxin-producingCurrent research in food science · 2022Article
- Genomic Epidemiology of Shiga Toxin-ProducingAnimals : an open access journal from MDPI · 2021Article
- Antimicrobial Usage Factors and Resistance Profiles of Shiga Toxin-ProducingFrontiers in veterinary science · 2020Article
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Authors and funding
9 authors at 3 institutions in 3 countries.
Funding
Abstract
Shiga toxin-producing Escherichia coli (STEC) are zoonotic food pathogens associated with foodborne diarrheal illness, hemorrhagic colitis, and complications such as hemolytic uremic syndrome (HUS). The ability to adhere to epithelial cells is an important virulence trait, and pathogenicity islands (PAIs) play an important role on it. Some STEC carrying a PAI named locus of enterocyte effacement (LEE-positive) have been frequently associated to HUS; however, STEC that do not carry LEE (LEE-negative) have also been associated with this outcome. The burden of disease caused by LEE-negative STEC has increased recently in several countries like Argentina, Chile, and Paraguay. A new PAI -the Locus of Adhesion and Autoagregation (LAA)-has been associated to severe disease in humans. In this study, we aimed to analyze the distribution of LAA and its possible predictor, the gene hes, in LEE-negative STEC strains isolated from Chile and Paraguay from different sources. The presence of the different LAA modules and hes were detected by PCR. LAA was found in 41.6% and 41.0% of strains isolated from Chile and Paraguay, respectively. Strains were isolated from diverse origins and belonged to several serogroups including O91, O103, and O113. The hes gene was detected in 50% of the isolates from Paraguay and Chile. Therefore, the detection of LAA and hes in STEC could complement current genetic evaluation schemes, allowing to classify LEE negative STEC strains as LAA-positive or LAA-negative STEC strains.
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