Antibiotic Resistance in Staphylococci Isolated from Pigeons

Stefan Schwarz1, Christiane Werckenthin1

  • 1Institut für Kleintierforschung Celle/Merbitz, Bundesforschungsanstalt für Landwirtschaft Braunschweig-Völkenrode (FAL), Dörnbergstr. 25-27, 29223 Celle, Germany.

Veterinary Dermatology
|October 14, 2021
PubMed

Insights

Pigeon nasal flora analysis revealed Staphylococcus intermedius and S. lentus strains resistant to protein biosynthesis inhibiting antibiotics. These bacteria, with unique resistance gene locations, suggest pigeons may transmit S. intermedius to dogs.

Area of Science:

  • Veterinary Microbiology
  • Antimicrobial Resistance
  • Zoonotic Potential

Background:

  • The nasal microbiome of carrier pigeons can harbor potentially pathogenic bacteria.
  • Understanding the prevalence and characteristics of these bacteria is crucial for animal health and public health surveillance.

Purpose of the Study:

  • To investigate the nasal microbial flora of carrier pigeons for potentially pathogenic bacteria.
  • To characterize the antibiotic resistance patterns and resistance gene locations in isolated staphylococcal strains.

Main Methods:

  • Nasal swabs were collected from 45 carrier pigeons.
  • Bacterial isolates were identified and tested for antibiotic resistance.
  • Resistance genes were localized to plasmids or chromosomes.

Main Results:

  • Staphylococcus intermedius and S. lentus were frequently isolated.
  • Most isolates exhibited resistance to antibiotics inhibiting protein biosynthesis.
  • Resistance genes were plasmid-located in S. lentus and chromosomally located in S. intermedius.
  • S. intermedius from pigeons showed distinct resistance patterns and gene locations compared to other pathogenic staphylococci.

Conclusions:

  • Pigeons carry antibiotic-resistant S. intermedius and S. lentus.
  • The unique characteristics of S. intermedius in pigeons resemble those found in dogs.
  • Pigeons may serve as a potential source for the transmission of S. intermedius to dogs, highlighting a possible zoonotic link.

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