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J Chemother. 2006 Apr;18(2):151-6.

Pseudomonas aeruginosa epidemic strain carrying bla(SPM) metallo-beta-lactamase detected in Rio de Janeiro, Brazil.

Author information

1
Instituto de Microbiologia, Universidade Federal do Rio de Janeiro, Brazil.

Abstract

The present study was designed to characterize beta-lactamase genes and evaluate polymerase chain reaction (PCR) typing for multidrug-resistant Pseudomonas aeruginosa pulsed-field gel electrophoresis (PFGE) genotype A isolates from Rio de Janeiro, Brazil, collected between April 1999 and March 2000 and one additional isolate collected in June 2002. As reported previously, all of the genotype A isolates produced non-characterized metallo-beta-lactamase. These isolates (22) were screened for the bla(SPM) gene by PCR and dot-blotting. Isolates were typed by PCR fingerprinting with primers RAPD-1, 272, 208, 1290, ERIC-1 and ERIC-2. The bla(SPM) gene was detected in 18 (82%) of the 22 isolates. PCR fingerprinting gave results that correlated with PFGE, except with primer 1290. In Rio de Janeiro and other Brazilian states, nearly all SPM-producing P. aeruginosa isolates belong to a single PFGE type accounting for a large proportion of drug-resistant P. aeruginosa hospital infections. RAPD PCR fingerprinting may be a useful technique to screen for an epidemic multidrug-resistant strain in Brazil.

PMID:
16736883
DOI:
10.1179/joc.2006.18.2.151
[Indexed for MEDLINE]

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