ArticleJundishapur journal of microbiology2014
Shiga toxin-producing Escherichia coli isolated from lettuce samples in tehran, iran.
Article in Jundishapur journal of microbiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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16 citing papers in PubMed, 32 citations in OpenAlex.
- Prevalence, Antimicrobial Susceptibility, and Hygienic Practices of Escherichia coli O157:H7 in Raw Meat, Bahir Dar City, Ethiopia.Veterinary medicine and science · 2026Article
- Virulence and Antimicrobial Resistance Traits ofAntibiotics (Basel, Switzerland) · 2026Article
- Emergence of virulent ESBL-producing Escherichia coli in meat with human health implications and control using liposomal cinnamon, oregano, and clove within a One Health framework.Scientific reports · 2026Article
- Assessment of resistance profiles and virulence genes inAnnals of microbiology · 2026Article
- Antimicrobial and anti-virulent efficacies of melanin, and risk factors associated withFrontiers in cellular and infection microbiology · 2026Article
- Colistin- and cefotaxime-resistant Shiga toxin-producing Escherichia coli (STEC) in buffalo meat.Scientific reports · 2025Article
- Article
- Prevalence and antibiogram of shigatoxinproducingOpen veterinary journal · 2024Article
- Absence of Shiga toxin-producing Escherichia coli (STEC) in organic leafy greens from the metropolitan region of São Paulo, Brazil.Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] · 2023Article
- Cefotaxime-, Ciprofloxacin-, and Extensively Drug-ResistantFoods (Basel, Switzerland) · 2023Article
- Occurrence and D-Tryptophan Application for Controlling the Growth of Multidrug-Resistant Non-O157 Shiga Toxin-ProducingAnimals : an open access journal from MDPI · 2022Article
- Evaluation of the frequency ofIranian journal of microbiology · 2022Article
- Prevalence, Phylogroups and Antimicrobial Susceptibility ofAntibiotics (Basel, Switzerland) · 2021Article
- Molecular characterization ofItalian journal of food safety · 2019Article
- Virulence and extended-spectrum β-lactamase encoding genes inVeterinary world · 2017Article
- Detection, Virulence Gene Assessment and Antibiotic Resistance Pattern of O157 Enterohemorrhagic Escherichia coli in Tabriz, Iran.Jundishapur journal of microbiology · 2015Article
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Authors and funding
3 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundDuring the last decade, the prevalence of foodborne diseases due to contaminated food as well as the outbreaks of diseases due to Shiga toxin-producing Escherichia coli (STEC) strains has increased.
objectivesThe aim of this study was to evaluate the prevalence and antibiotic resistance pattern of STEC strains in lettuce samples. Since lettuce is used as a raw vegetable in salads, the rates of infections caused by this vegetable are high. MATERIALS AND
methodsA total of 100 samples collected from Tehran, Iran, were transported to the laboratory, homogenized by a stomacher in E. coli broth containing cefixime, and cultured on MacConkey agar medium. Their DNA was extracted by boiling method and polymerase chain reaction (PCR) was performed, using five primers targeting the stx1, stx2, fliCh7, rbfO157, and eaeA genes. Susceptibility testing against ampicillin, imipenem, cephalosporin, tetracycline, aminoglycosides, chloramphenicol and quinolones was performed using disk diffusion method.
resultsEight samples were positive for presence of STEC strains, three contained stx1, five contained stx2, and one sample was positive for presence of both rbfO157 and fliCh7. They were susceptible to all the antibiotics except for ampicillin and tetracycline.
conclusionsThis study indicated the contamination of lettuce by STEC strains and its possible role as the source of infection. Resistance to both tetracycline and ampicillin may be considered as an emergency alarm for a multidrug resistance of STEC strains.
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