期刊
SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES
卷 44, 期 1, 页码 74-78出版社
INFORMA HEALTHCARE
DOI: 10.3109/00365548.2011.614276
关键词
Klebsiella pneumoniae; metallo-beta-lactamases; VIM-1; nosocomial infection; South Africa
资金
- Calgary Laboratory Services [73-6350]
- Merck
- Astra Zeneca
A study was designed to characterize a carbapenem-resistant Klebsiella pneumoniae (KPSA01) isolated from a patient in Gauteng, South Africa without recent travel outside South Africa. Molecular characterization was done using isoelectric focusing, polymerase chain reaction and sequencing for bla(VIM), bla(IMP), bla(NDM), bla(CTX-Ms), bla(OXAs), bla(TEMs), and bla(SHV), plasmid-mediated quinolone resistance determinants, multilocus sequencing typing, plasmid replicon typing, and addiction factors. KPSA01 produced VIM-1 and belonged to the newly described sequence type ST569. The plasmid that harboured bla(VIM) typed within the narrow host range IncF replicon group, contained the aadA1 gene cassette, and tested positive for the vagCD and ccdAB addiction systems. This is the first report of VIM-1-producing K. pneumoniae outside Europe. It is important that surveillance studies be undertaken in Africa to determine if VIM-1-producing K. pneumoniae are present in significant numbers.
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