ArticleIrish veterinary journal2025
Phylogenetic characterisation, virulence factors, and multi-drug resistance of Escherichia coli strains isolated from faeces of feral pigeons (Columba Livia forma urbana).
Article in Irish veterinary journal, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Distribution and Co-Occurrence of Selected Virulence-Associated Genes inPathogens (Basel, Switzerland) · 2026Article
- Antibiotic resistance ofOpen veterinary journal · 2026Article
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2 authors.
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Abstract
backgroundFeral pigeons are a synanthropic species commonly found in cities worldwide. They are known to carry zoonotic pathogens, including Escherichia coli, and have long raised concerns about environmental contamination and public health risks.
objectivesThe aim of the study was to phylogenetically classify, identify selected virulence genes and determine the phenotypic antimicrobial susceptibility profiles of E. coli isolated from pigeon faeces in urban agglomeration. METHODOLOGY: A total of 120 fresh faecal samples were collected from feral pigeons in urban areas. Groups of 4 samples from each location were tested in a total of 30 pools. A total of 97 faecal E. coli isolates were screened for enteropathogenic E. coli (EPEC) and Shiga toxin-producing E. coli (STEC) strain genes and thirteen selected virulence factors associated with pathogenic function and activity. Resistance patterns were determined by the Kirby-Bauer disk diffusion method for twenty antibiotics.
resultThe most common phylogenetic group was group D (70/97, 72.2%), followed by group A (15/97, 15.5%), B1 (7/97, 7.2%) and B2 (3/97, 3.1%). EPEC and STEC were found in 5.2% and 22.7% isolates, respectively. The obtained results showed katP, lpfA
conclusionsThe results of this study confirm that pigeons in the urban environment are carriers of potentially pathogenic strains of E. coli, including MDR strains. Twelve patterns of virulence genes were identified among E. coli strains, with a great predominance of the single gene stx
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