ArticleThe journal of venomous animals and toxins including tropical diseases2014
Virulence factors and antibiotic resistance of Helicobacter pylori isolated from raw milk and unpasteurized dairy products in Iran.
Article in The journal of venomous animals and toxins including tropical diseases, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.
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Who cites it
25 citing papers in PubMed, 67 citations in OpenAlex.
- Assessment ofMicroorganisms · 2026Article
- On the Role of Food in the Transmission ofFoods (Basel, Switzerland) · 2025Review
- Detection ofOpen veterinary journal · 2025Article
- Review of foodborne helicobacteriosis.Italian journal of food safety · 2024Review
- Article
- Evaluation of a Specific Modulation Frequency Technique for DetectingArchives of Razi Institute · 2022Article
- Prevalence, Virulence Genes, Phylogenetic Analysis, and Antimicrobial Resistance Profile ofFoods (Basel, Switzerland) · 2022Article
- Isolation and identification ofItalian journal of food safety · 2022Article
- Zoonotic risks of pathogens from sheep and their milk borne transmission.Small ruminant research : the journal of the International Goat Association · 2020Article
- Phenotypic and Genotypic Assessment of Antibiotic Resistance and Genotyping ofInfection and drug resistance · 2020Article
- Article
- Review
- Prevalence, identification of virulence factors, O-serogroups and antibiotic resistance properties of Shiga-toxin producingAntimicrobial resistance and infection control · 2018Article
- Phenotypic analysis of antibiotic resistance and genotypic study of theAntimicrobial resistance and infection control · 2018Article
- Genotyping and antibiotic resistance properties ofInfection and drug resistance · 2018Article
- Article
- UropathogenicBioMed research international · 2017Article
- Role of food in environmental transmission ofCaspian journal of internal medicine · 2017Review
- Article
- Helicobacter pylori isolated from Iranian drinking water: vacA, cagA, iceA, oipA and babA2 genotype status and antimicrobial resistance properties.FEBS open bio · 2016Article
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundDespite the high importance of Helicobacter pylori, the origin and transmission of this bacterium has not been clearly determined. According to controversial theories and results of previous studies, animal source foods - especially milk - play an important role in the transmission of H. pylori to humans. The aim of the present study was to determine the distribution of vacA, cagA, iceA and oipA virulence factors in H. pylori strains isolated from milk and dairy products and study their antimicrobial resistance properties.
methodsA total of 520 raw milk and 400 traditional dairy product samples were cultured and tested. Those that were H. pylori-positive were analyzed for the presence of vacA, cagA, iceA and oipA virulence factors. Antimicrobial susceptibility testing was performed by the disk diffusion method.
resultsOne hundred and three out of 520 milk samples (19.8%) and 77 out of 400 dairy products samples (19.2%) were contaminated with H. pylori. The most frequently contaminated samples were ovine milk (35%) and traditional cheese (30%). Total prevalence of vacA, cagA, iceA and oipA factors were 75%, 76.6%, 41.6% and 25%, respectively. H. pylori strains of milk and dairy products harbored high levels of resistance to ampicillin (84.4%), tetracycline (76.6%), erythromycin (70.5%) and metronidazole (70%).
conclusionsHigh presence of antibiotic-resistant strains of H. pylori suggest that milk and dairy samples may be the sources of bacteria that can cause severe infection. Our findings should raise awareness about antibiotic resistance in H. pylori strains in Iran.
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