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Braz J Med Biol Res ; 48(2): 174-7, 2015 Feb.
Article in English | MEDLINE | ID: mdl-25466163

ABSTRACT

We report the microbiological characterization of four New Delhi metallo-ß-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.


Subject(s)
Bacterial Proteins/genetics , Enterobacteriaceae/metabolism , Methyltransferases/genetics , beta-Lactam Resistance/genetics , beta-Lactamases/genetics , Anti-Bacterial Agents/pharmacology , Brazil , Carbapenems/pharmacology , Conjugation, Genetic , Disk Diffusion Antimicrobial Tests , Enterobacteriaceae/drug effects , Enterobacteriaceae/isolation & purification , Microbial Sensitivity Tests
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