Abstract

ObjectivesThe aim of this study was to describe the emergence in Nepal of clinical isolates of Klebsiella pneumoniae harboring both blaNDM-5 and blaOXA-181/-232. MethodsSix clinical isolates of K. pneumoniae highly resistant to carbapenems and aminoglycosides were obtained from inpatients in Nepal. Their whole genomes were sequenced by a next generation sequencer. ResultsThe minimum inhibitory concentrations of meropenem, amikacin and ciprofloxacin were ≥128 μg/ml, >1024 μg/ml and ≥256 μg/ml, respectively. All six isolates co-harbored blaNDM-5, blaOXA-181 or -232 and rmtB. Of them, 1 also harbored rmtF. The blaNDM-5, blaOXA-232 and rmtB in all six isolates were located on plasmids. Of the six isolates tested, one isolate harbored two copies of blaOXA-181 and rmtF on the chromosome. ConclusionsThis is the first report of clinical isolates of K. pneumoniae co-harboring blaNDM-5, blaOXA-181 or -232 and rmtB in Nepal. These strains were highly carbapenem- and aminoglycoside-resistant, and belonged to ST147 or ST395. Of them, ST147 isolate harbored two copies of blaOXA-181 on the chromosome.

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