Brazilian Journal of Medical and Biological Research (Dec 2014)

Unusual association of NDM-1 with KPC-2 and armA among Brazilian Enterobacteriaceae isolates

  • M.G. Quiles,
  • T.T. Rocchetti,
  • L.C. Fehlberg,
  • E.J.U. Kusano,
  • A. Chebabo,
  • R.M.G. Pereira,
  • A.C. Gales,
  • A.C.C. Pignatari

DOI
https://doi.org/10.1590/1414-431x20144154
Journal volume & issue
Vol. 48, no. 2
pp. 174 – 177

Abstract

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We report the microbiological characterization of four New Delhi metallo-β-lactamase-1 (blaNDM-1)-producing Enterobacteriaceae isolated in Rio de Janeiro, Brazil. blaNDM-1 was located on a conjugative plasmid and was associated with Klebsiella pneumoniae carbapenemase-2 (blaKPC-2) or aminoglycoside-resistance methylase (armA), a 16S rRNA methylase not previously reported in Brazil, in two distinct strains of Enterobacter cloacae. Our results suggested that the introduction of blaNDM-1 in Brazil has been accompanied by rapid spread, since our isolates showed no genetic relationship.

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