ArticleFrontiers in cellular and infection microbiology2015
Genetic characterization of Shiga toxin-producing Escherichia coli O26:H11 strains isolated from animal, food, and clinical samples.
Article in Frontiers in cellular and infection microbiology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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Who cites it
22 citing papers in PubMed, 39 citations in OpenAlex.
- Antimicrobial resistance in Escherichia coli isolates from dairy farms (Santa Fe province, Argentina).Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] · 2025Article
- The Invisible Threat of Antibiotic Resistance in Food.Antibiotics (Basel, Switzerland) · 2025Review
- Molecular and in silico analyses for detection of Shiga toxin-producing Escherichia coli (STEC) and highly pathogenic enterohemorrhagic Escherichia coli (EHEC) using genetic markers located on plasmid, O Island 57 and O Island 71.BMC veterinary research · 2024Article
- Shiga Toxin-ProducingMicroorganisms · 2024Article
- Prevalence, Molecular Characterization, and Antimicrobial Resistance Profiles of Shiga Toxin-ProducingFoods (Basel, Switzerland) · 2024Article
- Occurrence of multiple drug-resistant Shiga toxigenicJournal of food science and technology · 2022Article
- Genotyping Based on CRISPR Loci Diversity and Pathogenic Potential of DiarrheagenicFrontiers in microbiology · 2022Article
- Genetic and antimicrobial resistance profiles of non-O157 Shiga toxin-producing Escherichia coli from different sources in Egypt.BMC microbiology · 2021Article
- Virulence Factors of Enteric PathogenicInternational journal of molecular sciences · 2021Review
- Genomic Epidemiology of Shiga Toxin-ProducingAnimals : an open access journal from MDPI · 2021Article
- Antibiotic Resistance in Shiga ToxigenicAntibiotics (Basel, Switzerland) · 2021Article
- Prevalence, antimicrobial resistance, and genotyping of Shiga toxin-producing Escherichia coli in foods of cattle origin, diarrheic cattle, and diarrheic humans in Egypt.Gut pathogens · 2021Article
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- Phenotypic and Genotypic Antimicrobial Resistance in Non-O157 Shiga Toxin-ProducingFrontiers in veterinary science · 2020Article
- Phylogenetic context of Shiga toxin-producingMicrobial genomics · 2019Article
- Rapid and Simple UniversalApplied and environmental microbiology · 2019Article
- Recent Advances in Shiga Toxin-ProducingMicroorganisms · 2018Review
- Comparative genomics reveals differences in mobile virulence genes of Escherichia coli O103 pathotypes of bovine fecal origin.PloS one · 2018Article
- Population structure of Escherichia coli O26 : H11 with recent and repeated stx2 acquisition in multiple lineages.Microbial genomics · 2017Article
Corrections and comments
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Authors and funding
12 authors at 5 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The Shiga-toxin producing Escherichia coli (STEC) may cause serious illness in human. Here we analyze O26:H11 strains known to be among the most reported STEC strains causing human infections. Genetic characterization of strains isolated from animal, food, and clinical specimens in Argentina showed that most carried either stx 1a or stx 2a subtypes. Interestingly, stx 2a-positive O26:H11 rarely isolated from cattle in other countries showed to be an important proportion of O26:H11 strains circulating in cattle and food in our region. Seventeen percent of the isolates harbored more than one gene associated with antimicrobial resistance. In addition to stx, all strains contained the virulence genes eae-β, tir, efa, iha, espB, cif, espA, espF, espJ, nleA, nleB, nleC, and iss; and all except one contained ehxA, espP, and cba genes. On the other hand, toxB and espI genes were exclusively observed in stx 2-positive isolates, whereas katP was only found in stx 1a-positive isolates. Our results show that O26:H11 STEC strains circulating in Argentina, including those isolated from humans, cattle, and meat products, present a high pathogenic potential, and evidence that cattle can be a reservoir of O26:H11 strains harboring stx 2a.
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