ArticleTropical animal health and production2019
Virulence-associated genes and antimicrobial resistance among avian pathogenic Escherichia coli from colibacillosis affected broilers in Pakistan.
Article in Tropical animal health and production, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers, 1 of them a synthesis that pooled it.
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28 citing papers in PubMed, 1 synthesis or guideline pooled it, 76 citations in OpenAlex.
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- Fermented purple onion (Open veterinary journal · 2025Review
- A cross-sectional survey of poultry management systems, practices and antimicrobial use in relation to disease outbreak in Pakistan.BMC research notes · 2025Article
- Antimicrobial resistance, virulence gene profiles, and phylogenetic groups of Escherichia coli isolated from healthy broilers and broilers with colibacillosis in Thailand.BMC veterinary research · 2025Article
- Multidrug Resistance and Virulence Gene Profiles ofVeterinary medicine international · 2025Article
- Genomic characterization, antimicrobial resistance, and virulence profiling ofFrontiers in microbiology · 2025Article
- Antibiotic resistance dynamics of some common probioticVeterinary research forum : an international quarterly journal · 2025Article
- Molecular characterization of avian pathogenicVeterinary world · 2024Article
- Potential of ZnO nanoparticles for multi-drug resistant Escherichia coli having CRISPR-Cas from poultry market in Lahore.BMC microbiology · 2024Article
- FdeC expression regulates motility and adhesion of the avian pathogenic Escherichia coli strain IMT5155.Veterinary research · 2024Article
- Phenotypic and genotypic characterization of extended spectrum beta-lactamase producingOpen veterinary journal · 2024Article
- Co-Occurrence ofAntibiotics (Basel, Switzerland) · 2023Article
- Antimicrobial resistance pattern of avian pathogenicVeterinary world · 2023Article
- Mini-Review: Antibiotic-ResistantAntibiotics (Basel, Switzerland) · 2022Review
- Virulence Factors and Antimicrobial Resistance Profile ofAnimals : an open access journal from MDPI · 2022Article
- Isolation, Molecular Characterization, and Antibiotic Resistance of Avian PathogenicVeterinary sciences · 2022Article
- Phenotypic and Genotypic Screening of Colistin Resistance Associated with Emerging PathogenicVeterinary sciences · 2022Article
- Genetic Diversity ofBioMed research international · 2022Article
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4 authors at 1 institution in 1 country.
Funding
Abstract
Avian pathogenic Escherichia coli (APEC) causes colibacillosis that leads to high morbidity and mortality among poultry birds. To date, there is a lack of knowledge about virulence-associated genes (VAGs) and multidrug resistance of APEC isolates from Pakistan. In this study, we determined the VAGs and antibiotic resistance profiles of APEC isolates recovered from colibacillosis affected broilers in Faisalabad region of Pakistan. A total of 84 diseased and dead birds from different local broilers farms were collected and examined for the gross lesions of colibacillosis by conducting postmortem examination. Of these, APEC isolates were recovered from 75 (89.2%) birds. Antibiotic susceptibility tests against 11 antimicrobial agents showed the highest resistance against ampicillin (98.6%) followed by tetracycline (97.3%) and ciprofloxacin (72%). The presence of 11 virulence-associated genes (VAGs) was detected by multiplex polymerase chain reaction (PCR). Of the 75 APEC, 32 (42.6%) harbored > 5 VAGs. Most commonly found genes were increased serum survival (iss; 84%), iron transport (iutA; 74.6%), and colicin V (ColV; 60%). Twenty-two isolates (29.3%) were found to possess a combination of VAGs; iss, tsh, iroN, and iutA, in addition to other VAGs. To the best of our knowledge, this is the first report on the detection of virulence-associated genes and multidrug resistance among APEC isolates in Pakistan. In the future, the strains with the predominant set of VAGs can be used for colibacillosis diagnosis and as a potential vaccine candidate.
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