The spread of carbapenem-resistant Klebsiella pneumoniae has become a significant problem for public health in recent years. In this study, we reported a New Delhi metallo-β-lactamase 1 (NDM-1)-producing K. pneumoniae strain KP14003 from a neonate in Beijing, China. Whole-genome sequencing was performed. The strain belonged to sequence type ST719. Coexistence of blaNDM-1 and blaSHV-12 was found on a self-transferable plasmid, which had a typical IncX3 backbone. The horizontal transfer of blaNDM-1 was associated with Tn125 followed by possible transposition events. Other class A extended-spectrum β-lactamase genes (blaSHV-27 and blaTEM-1) were also identified on chromosome or plasmid. The dissemination of NDM-1-producing K. pneumoniae causes great challenges to the treatment of clinical infections. Effective actions need to be taken to control the further spread of this pathogen.
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