Acinetobacter baumannii sampled from cattle and pigs represent novel clones

Valeria Mateo-Estrada, Leila Vali, Ahmed Hamouda, Benjamin A. Evans, Santiago Castillo-Ramirez

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Acinetobacter baumannii is a very important human pathogen. Nonetheless, we know very little about nonhuman isolates of A. baumannii. Here, we determine the genomic identity of 15 Scottish cattle and pig isolates, as well as their antibiotic and virulence genetic determinants, and compare them with 148 genomes from the main human clinical international clones. Our results demonstrate that cattle and pig isolates represent novel clones well separated from the major international clones. Furthermore, these new clones showed fewer antibiotic resistance genes and may have fewer virulence genes than human clinical isolates.

Original languageEnglish
Article numbere01289-22
JournalMicrobiology Spectrum
Issue number4
Early online date29 Jun 2022
Publication statusPublished - 31 Aug 2022


  • Acinetobacter baumannii
  • One Health
  • animal isolates
  • antibiotic resistance
  • bacterial clones
  • genome epidemiology

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