ArticlePloS one2017
Pandemic extra-intestinal pathogenic Escherichia coli (ExPEC) clonal group O6-B2-ST73 as a cause of avian colibacillosis in Brazil.
Article in PloS one, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.
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32 citing papers in PubMed, 68 citations in OpenAlex.
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- Antimicrobial susceptibility and genetic profiles of Escherichia coli isolated from poultry hatcheries in the state of Rio Grande do Sul, Brazil.Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] · 2025Article
- Biofilm Formation and Antibiotic Resistance Genes of Escherichia coli From Poultry Farms and Clinical Samples.Veterinary medicine and science · 2025Article
- Extraintestinal Escherichia coli from camel carcasses: Phylogroups, serotypes, and markers of virulence.PloS one · 2025Article
- Public health concern of antimicrobial resistance and virulence determinants in E. coli isolates from oysters in Egypt.Scientific reports · 2024Article
- Unveiling the traits of antibiotic resistance and virulence in Escherichia coli obtained from poultry waste.Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] · 2024Article
- Extended-Spectrum Beta-Lactamase- and Plasmidic AmpC-ProducingMicroorganisms · 2024Article
- Diversity of antimicrobial-resistant bacteria isolated from Australian chicken and pork meat.Frontiers in microbiology · 2024Article
- Characterization of avian pathogenic Escherichia coli isolates based on biofilm formation, ESBL production, virulence-associated genes, and phylogenetic groups.Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] · 2023Article
- Description of extraintestinal pathogenicIranian journal of microbiology · 2023Article
- Assessing the Load, Virulence and Antibiotic-Resistant Traits of ESBL/AmpcAntibiotics (Basel, Switzerland) · 2022Article
- Characterization and antimicrobial susceptibility of biofilm-producing Avian Pathogenic Escherichia coli from broiler chickens and their environment in India.Veterinary research communications · 2022Article
- Assessment of listing and categorisation of animal diseases within the framework of the Animal Health Law (Regulation (EU) No 2016/429): antimicrobial-resistantEFSA journal. European Food Safety Authority · 2022Article
- WHO Critical Priority Escherichia coli as One Health Challenge for a Post-Pandemic Scenario: Genomic Surveillance and Analysis of Current Trends in Brazil.Microbiology spectrum · 2022Article
- Piperacillin/tazobactam-resistant, cephalosporin-susceptibleMicrobial genomics · 2022Article
- Molecular and phenotypic characterization of avian pathogenic Escherichia coli isolated from commercial broilers and native chickens.Poultry science · 2022Article
- Study on antibiotic resistance and phylogenetic comparison of avian-pathogenicVeterinary research forum : an international quarterly journal · 2022Article
- Antibacterial, antibiofilm, and anti-adhesion activities of Piper betle leaf extract against Avian pathogenic Escherichia coli.Archives of microbiology · 2021Article
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7 authors at 2 institutions in 1 country.
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Abstract
Extra-intestinal pathogenic Escherichia coli (ExPEC) represent an emerging pathogen, with pandemic strains increasingly involved in cases of urinary tract infections (UTIs), bacteremia, and meningitis. In addition to affecting humans, the avian pathotype of ExPEC, avian pathogenic E. coli (APEC), causes severe economic losses to the poultry industry. Several studies have revealed overlapping characteristics between APEC and human ExPEC, leading to the hypothesis of a zoonotic potential of poultry strains. However, the description of certain important pandemic clones, such as Sequence Type 73 (ST73), has not been reported in food sources. We characterized 27 temporally matched APEC strains from diverse poultry farms in Brazil belonging to the O6 serogroup because this serogroup is frequently described as a causal factor in UTI and septicemia in humans in Brazil and worldwide. The isolates were genotypically characterized by identifying ExPEC virulence factors, phylogenetically tested by phylogrouping and multilocus sequence type (MLST) analysis, and compared to determine their similarity employing the pulsed field gel electrophoresis (PFGE) technique. The strains harbored a large number of virulence determinants that are commonly described in uropathogenic E. coli (UPEC) and sepsis associated E. coli (SEPEC) strains and, to a lesser extent in neonatal meningitis associated E. coli (NMEC), such as pap (85%), sfa (100%), usp (100%), cnf1 (22%), kpsMTII (66%), hlyA (52%), and ibeA (4%). These isolates also yielded a low prevalence of some genes that are frequently described in APEC, such as iss (37%), tsh, ompT, and hlyF (8% each), and cvi/cva (0%). All strains were classified as part of the B2 phylogroup and sequence type 73 (ST73), with a cluster of 25 strains showing a clonal profile by PFGE. These results further suggest the zoonotic potential of some APEC clonal lineages and their possible role in the epidemiology of human ExPEC, in addition to providing the first description of the O6-B2-ST73 clonal group in poultry.
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