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Journal Articles Veterinary Sciences Year : 2023

The Impact of the Virulence of Pseudomonas aeruginosa Isolated from Dogs

Abstract

Pseudomonas aeruginosa is a pathogenic bacterium that can cause serious infections in both humans and animals, including dogs. Treatment of this bacterium is challenging because some strains have developed multi-drug resistance. This study aimed to evaluate the antimicrobial resistance patterns and biofilm production of clinical isolates of P. aeruginosa obtained from dogs. The study found that resistance to various β-lactam antimicrobials was widespread, with cefovecin and ceftiofur showing resistance in 74% and 59% of the isolates tested, respectively. Among the aminoglycosides, all strains showed susceptibility to amikacin and tobramycin, while gentamicin resistance was observed in 7% of the tested isolates. Furthermore, all isolates carried the oprD gene, which is essential in governing the entry of antibiotics into bacterial cells. The study also investigated the presence of virulence genes and found that all isolates carried exoS, exoA, exoT, exoY, aprA, algD, and plcH genes. This study compared P. aeruginosa resistance patterns worldwide, emphasizing regional understanding and responsible antibiotic use to prevent multi-drug resistance from emerging. In general, the results of this study emphasize the importance of the continued monitoring of antimicrobial resistance in veterinary medicine.
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hal-04097313 , version 1 (15-05-2023)

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Telma de Sousa, Andreia Garcês, Augusto Silva, Ricardo Lopes, Nuno Alegria, et al.. The Impact of the Virulence of Pseudomonas aeruginosa Isolated from Dogs. Veterinary Sciences, 2023, 10 (5), pp.343. ⟨10.3390/vetsci10050343⟩. ⟨hal-04097313⟩
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