ArticleBioMed research international2014
Characterization of Shiga toxin-producing Escherichia coli isolated from ground beef collected in different socioeconomic strata markets in Buenos Aires, Argentina.
Article in BioMed research international, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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14 citing papers in PubMed.
- Prevalence, Antimicrobial Susceptibility, and Hygienic Practices of Escherichia coli O157:H7 in Raw Meat, Bahir Dar City, Ethiopia.Veterinary medicine and science · 2026Article
- Molecular detection of theOpen veterinary journal · 2026Article
- The Global Prevalence of Antibiotic Resistance and Shiga Toxin-ProducingAntibiotics (Basel, Switzerland) · 2025Review
- Detection and analysis of Shiga toxin producing and enteropathogenic Escherichia coli in cattle from Tierra del Fuego, Argentina.Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] · 2023Article
- Quantitative microbial risk assessment of haemolytic uremic syndrome associated with Argentinean kosher beef consumption in Israel.PloS one · 2023Article
- Occurrence and antimicrobial resistance pattern of E. coli O157:H7 isolated from foods of Bovine origin in Dessie and Kombolcha towns, Ethiopia.PLoS neglected tropical diseases · 2023Article
- Isolation, characterization, and antimicrobial susceptibility pattern ofFrontiers in veterinary science · 2022Article
- Antibiotic and Metal Resistance inAntibiotics (Basel, Switzerland) · 2020Article
- Quantitative risk assessment of haemolytic uremic syndrome associated with beef consumption in Argentina.PloS one · 2020Article
- Characterization of Shiga toxin-producing Escherichia coli in raw beef from informal and commercial abattoirs.PloS one · 2020Article
- Virulent gene profile and antibiotic susceptibility pattern of Shiga toxin-producing Escherichia coli (STEC) from cattle and camels in Maiduguri, North-Eastern Nigeria.Tropical animal health and production · 2018Article
- Prevalence, identification of virulence factors, O-serogroups and antibiotic resistance properties of Shiga-toxin producingAntimicrobial resistance and infection control · 2018Article
- Occurrence of virulent and antibiotic-resistant Shiga toxin-producingVeterinary world · 2017Article
- Article
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5 authors.
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Abstract
Consumption of raw/undercooked ground beef is the most common route of transmission of Shiga toxin-producing E. coli (STEC). The aim of the study was to determine the STEC contamination level of the ground beef samples collected in 36 markets of different socioeconomic strata in Buenos Aires, Argentina, and the characterization of the isolated strains. Ninety-one out of 252 (36.1%) samples were stx+. Fifty-seven STEC strains were recovered. Eleven STEC strains belonged to O157 serogroup, and 46 to non-O157 serogroups. Virulence markers of the 57 STEC were stx1, 5.3% (3/57); stx2, 86.0% (49/57); stx1/stx2, 8.8% (5/57); ehxA, 61.4% (35/57); eae, 26.3% (15/57); saa, 24.6% (14/57). Shiga toxin subtypes were stx2, 31.5% (17/54); stx2c-vhb, 24.1% (13/54); stx2c-vha, 20.4% (11/54); stx2/stx2c-vha, 14.8% (8/54); stx2/stx2c-vhb, 5.6% (3/54); stx2c-vha/vhb, 3.7% (2/54). Serotypes O178:H19 and O157:H7 were prevalent. Contamination rate of STEC in all strata was high, and the highest O157 contamination was observed at low strata at several sampling rounds. Persistence of STEC was not detected. Sixteen strains (28.1%) were resistant to ampicillin, streptomycin, amikacin, or tetracycline. The STEC contamination level of ground beef could vary according to the sociocultural characteristics of the population.
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