Abstract
A successful outcome of a post-surgical wound infection management by a carbapenem-resistant Klebsiella pneumoniae is described in a dog. Four multidrug-resistant and carbapenem-resistant Escherichia coli strains belonging to ST410 (n = 1) and ST648 (n = 3) were isolated from faecal samples and nasal swabs of this dog at admission to a veterinary hospital in the United Kingdom, and one month after discharge. Whole-genome sequencing analysis suggests dissemination of a 46,161-bp IncX3 blaNDM-5-carrying plasmid among E. coli strains from the different lineages. In this study, the E. coli ST648 strains were virtually identical to each other (5 SNPs difference) indicating dissemination and persistence of this clone over time and across different anatomical sites in the same dog maybe due to the prolonged antimicrobial therapy. The carbapenemase carrying plasmid also showed homology with other publicly available plasmid sequences from Asian countries. These results suggests that plasmids may be a major vehicle in mediating the dissemination of carbapenem-resistance. Further studies investigating the selection and flow of plasmids carrying important resistance genes amongst companion animals are needed as it may further contaminate other environments posing a threat to public health.
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