Pandemic Clones of CTX-M-15 Producing Klebsiella pneumoniae ST15, ST147, and ST307 in Companion Parrots
2022
Yamê Miniero Davies | Marcos Paulo Vieira Cunha | Milena Dropa | Nilton Lincopan | Vasco Túlio Moura Gomes | Luisa Zanoli Moreno | Maria Inês Zanoli Sato | Andrea Micke Moreno | Terezinha Knöbl
Psittacine birds are commonly kept as companion birds and the maintenance of these birds in captivity may represent a zoonotic risk and contribute to the propagation of multidrug-resistant and β-lactamase extended-spectrum (ESBLs)-producing pathogens. This study aimed to identify and characterize strains of the Klebsiella pneumoniae complex isolated from diseased psittacine birds, determining virulence and resistance profiles. K. pneumoniae strains were isolated from 16 birds (16/46). All strains carried more than three virulence genes, with a high frequency of fimH and kpn (93.75%), uge (87.52%), and irp-2 (81.25%) genes. The antimicrobial susceptibility revealed that 3/16 strains were ESBL producers. Genomic analysis revealed that CTX-M-15-positive strains belonged to sequence types (STs) ST15, ST147, and ST307, characterized as international clones associated with outbreaks of healthcare-associated infections (HAIs) worldwide.
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