ArticleThe Onderstepoort journal of veterinary research2015
Virulence gene profiles of avian pathogenic Escherichia coli isolated from chickens with colibacillosis in Bulawayo, Zimbabwe.
Article in The Onderstepoort journal of veterinary research, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 32 citations in OpenAlex.
- Distribution and Co-Occurrence of Selected Virulence-Associated Genes inPathogens (Basel, Switzerland) · 2026Article
- Phenotypic and Molecular Study of Multidrug-ResistantAntibiotics (Basel, Switzerland) · 2025Article
- 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
- Molecular detection of avian pathogenicHeliyon · 2024Article
- Avian PathogenicPathogens (Basel, Switzerland) · 2021Review
- Antimicrobial resistance and virulence genes in the Escherichia coli isolates obtained from ostrich.Tropical animal health and production · 2020Article
- Phylogenetic group determination and plasmid virulence gene profiles of colistin-resistantVeterinary world · 2020Article
- Incidence, Pathotyping, and Antibiotic Susceptibility of Avian PathogenicPathogens (Basel, Switzerland) · 2020Article
- Bacteriophage activity against and characterisation of avian pathogenic Escherichia coli isolated from colibacillosis cases in Uganda.PloS one · 2020Article
- Article
- Virulence-associated genes and antimicrobial resistance among avian pathogenic Escherichia coli from colibacillosis affected broilers in Pakistan.Tropical animal health and production · 2019Article
- Molecular characterization and antibiotic resistance patterns of avian fecalVeterinary world · 2018Article
- Virulence traits of avian pathogenic (APEC) and fecal (AFEC) E. coli isolated from broiler chickens in Algeria.Tropical animal health and production · 2018Article
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2 authors at 1 institution in 1 country.
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Abstract
Colibacillosis, a disease caused by avian pathogenic Escherichia coli (APEC), is one of the main causes of economic losses in the poultry industry worldwide. This study was carried out in order to determine the APEC-associated virulence genes contained by E. coli isolates causing colibacillosis in chickens. A total of 45 E. coli isolates were obtained from the diagnostics and research branch of the Central Veterinary Laboratories, Bulawayo, Zimbabwe. These isolates were obtained from chickens with confirmed cases of colibacillosis after postmortem examination. The presence of the iutA, hlyF, ompT, frz, sitD, fimH, kpsM, sitA, sopB, uvrY, pstB and vat genes were investigated by multiplex polymerase chain reaction (PCR) assay. Of the 45 isolates, 93% were positive for the presence of at least one virulence gene. The three most prevalent virulence genes were iutA (80%), fimH (33.3%) and hlyF (24.4%). The kpsM, pstB and ompT genes had the lowest prevalence, having been detected in only 2.2% of the isolates. All 12 virulence genes studied were detected in the 45 APEC isolates. Virulence gene profiles were constructed for each APEC isolate from the multiplex data. The APEC isolates were profiled as 62.2% fitting profile A, 31.1% profile B and 6.7% profile C. None of the isolates had more than seven virulence genes. Virulence profiles of Zimbabwean APEC isolates are different from those previously reported. Zimbabwean APEC isolates appear to be less pathogenic and may rely on environmental factors and stress in hosts to establish infection.
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