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Klebsiella pneumoniae complex isolated from diseased companion animals reveals genomic diversity, multidrug resistance, and extended-spectrum β-lactamase-encoding genes

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de Paula, Carolina Lechinski ; Rissetti, Rafaela Mastrangelo ; Yamada, Amanda Yaeko ; Bertani, Amanda Maria de Jesus ; Sacchi, Claudio Tavares ; Campos, Karoline Rodrigues ; Portilho, Fabio Vinicius Ramos ; Paz, Patrik Junior de Lima ; Bello, Thais Spessotto ; Arabe Filho, Marcelo Fagali ; Panegossi, Leticia Colin ; Reznik, Alec Utida ; Ribeiro, Marcio Garcia ; Camargo, Carlos Henrique
Número total de Autores: 14
Tipo de documento: Artigo Científico
Fonte: Journal of Applied Microbiology; v. 136, n. 6, p. 6-pg., 2025-06-01.
Resumo

Aims To evaluate the antimicrobial susceptibility and clonal relatedness of Klebsiella pneumoniae isolates recovered from diseased companion animals at a Teaching Veterinary Hospital in Brazil.Methods and results A collection of 59 K. pneumoniae complex isolates originating from dogs and cats were subjected to antimicrobial susceptibility testing, multiple antimicrobial resistance (MAR) index determination, polymerase chain reaction for carbapenemase-encoding genes, and molecular typing by pulsed-field gel electrophoresis (PFGE). Nineteen isolates were subjected to whole-genome sequencing (WGS). MAR indices ranged from 0 to 0.73, 50 different PFGE restriction profiles were identified. No carbapenemase genes were detected. Seventeen different sequence types were identified among the 19 sequenced strains, and extended-spectrum beta-lactamase genes were detected in five of them.Conclusions Klebsiella pneumoniae isolates from companion animals revealed high genetic diversity, both in PFGE and multi-locus sequence typing analysis; conversely, they presented resistance genes commonly found in human clinical isolates. (AU)

Processo FAPESP: 17/50333-7 - Plano de desenvolvimento institucional em pesquisa do Instituto Adolfo Lutz (PDIp)
Beneficiário:Carlos Henrique Camargo
Modalidade de apoio: Auxílio à Pesquisa - Programa Modernização de Institutos Estaduais de Pesquisa
Processo FAPESP: 18/21192-9 - EMU concedido no processo 2017/50333-7: MALDI-TOF
Beneficiário:Carlos Henrique Camargo
Modalidade de apoio: Auxílio à Pesquisa - Programa Equipamentos Multiusuários
Processo FAPESP: 18/21193-5 - EMU concedido no processo 2017/50333-7: sequenciador genético de DNA
Beneficiário:Carlos Henrique Camargo
Modalidade de apoio: Auxílio à Pesquisa - Programa Equipamentos Multiusuários
Processo FAPESP: 15/19688-8 - E. coli, Klebsiella pneumoniae e Enterococcus spp: impacto dos fatores de virulência na mastite bovina e reflexos na saúde pública
Beneficiário:Helio Langoni
Modalidade de apoio: Auxílio à Pesquisa - Temático