ArticleFolia microbiologica2017
Characterization of virulence factors and phylogenetic group determination of Escherichia coli isolated from diarrheic and non-diarrheic calves from Brazil.
Article in Folia microbiologica, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed.
- Virulence profiling and biofilm-forming capacity of differentVeterinary and animal science · 2026Article
- Genomic Epidemiology of ESBL and Non-ESBL-ProducingAntibiotics (Basel, Switzerland) · 2026Article
- Study on drug resistance, biofilm formation, phylogenetic and virulence gene analysis of Escherichia coli from diarrheic lambs.BMC veterinary research · 2026Article
- Genomic epidemiology and plasmid characterization of antimicrobial resistance and virulence in cattleMicrobiology spectrum · 2026Article
- Antibiotic resistance profiling and phylotyping of human-diarrheagenic Escherichia coli pathotypes detected from diarrheic and non-diarrheic calves in Iran.Molecular biology reports · 2024Article
- Detection of theOpen veterinary journal · 2024Article
- High Biofilm-Forming Ability and Clonal Dissemination among Colistin-ResistantLife (Basel, Switzerland) · 2023Article
- Phenotypic and genotypic characterization of Shiga toxin-producingFrontiers in microbiology · 2023Article
- Shiga Toxin Subtypes, Serogroups, Phylogroups, RAPD Genotypic Diversity, and Select Virulence Markers of Shiga-ToxigenicMicroorganisms · 2022Article
- Fecal Shedding of Multidrug ResistantAntibiotics (Basel, Switzerland) · 2022Article
- Antimicrobial Susceptibility of EnterotoxigenicAnimals : an open access journal from MDPI · 2022Article
- Antimicrobial Resistance, Serologic and Molecular Characterization ofAntibiotics (Basel, Switzerland) · 2021Article
- Virulence Genes Profile and Antimicrobial Susceptibility of Community-Acquired Bacterial Urinary Tract Infections in a Brazilian Hospital.Current microbiology · 2021Article
- Article
- Shiga-Toxin ProducingMicroorganisms · 2019Review
- Distribution of pathogenicity island markers and virulence factors in new phylogenetic groups of uropathogenic Escherichia coli isolates.Folia microbiologica · 2018Article
- High carriage of adherent invasiveGut pathogens · 2018Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
This study aimed to detect virulence factors, pathovars, and phylogenetic groups of Escherichia coli strains obtained from feces of calves with and without diarrhea up to 70 days old and to determine the association between occurrence of diarrhea, phylogenetic groups, and pathovars. Phylo-typing analysis of the 336 E. coli strains isolated from calves with Clermont method showed that 21 (6.25 %) belong to phylogroup A, 228 (67.85 %) to phylogroup B1, 2 (0.6 %) to phylogroup B2, 5 (1.49 %) to phylogroup C, 57 (16.96 %) to phylogroup E, and 3 (0.9 %) to phylogroup F. Phylogroup D was not identified and 20 strains (5.95 %) were assigned as "unknown." The distribution of phylogenetic groups among pathovars showed that NTEC belong to phylogroups B1 (17) and C (4); EPEC to phylogroups B1 (6) and E (8); STEC to phylogroups A (5), B1 (56), B2 (2), C (1), and E (15); EHEC to phylogroups B1 (95) and E (5); and ETEC to phylogroups A (3), B1 (7), and E (10). The EAST-1 strains were phylogroups A (13), B1 (47), E (19), and F (3); E. coli strains of "unknown" phylogroups belonged to pathovars EPEC (1), EHEC (2), STEC (7), and EAST-1 strains (6). ETEC was associated with diarrhea (P = 0.002). Our study did not find association between the phylogenetic background and occurrence of diarrhea (P = 0.164) but did find some relationship in phylogenetic group and pathovar. The study showed that EHEC and STEC are classified as phylogroup B1, EAST-1 phylogroup A, ETEC, and EPEC phylogroup E.
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