Molecular epidemiology of SPM-1-producing Pseudomonas aeruginosa by rep-PCR in hospitals in Parana, Brazil.
Infect Genet Evol
; 49: 130-133, 2017 04.
Article
em En
| MEDLINE
| ID: mdl-27923770
BACKGROUND: Infections caused by multidrug resistant microorganisms are a global health problem, and Pseudomonas aeruginosa is an important nosocomial pathogen, easily disseminated in the hospital environment. The aim of this study was to determine SPM-1 in P. aeruginosa strains in 30 Brazilian hospitals and the genetic similarity of isolates. METHODS: We analyzed 161 isolates of carbapenem-resistant P. aeruginosa. Imipenem/EDTA and imipenem strip were used for phenotypic detection of MBL production; and real-time polymerase chain reaction (PCR) for genetic detection. Genetic similarity was determined by rep-PCR. RESULTS: We obtained 136/161 (84.5%) isolates with positive phenotypic result for metallo-ß-lactamase (MBL) and the blaSPM-1 gene was identified in 41 isolates. There was a predominant profile (>95% of genetic similarity) in 92.7% of isolates. This predominant profile was widely disseminated in Paraná state. CONCLUSION: SPM-1 is the main MBL identified in carbapenem-resistant P. aeruginosa in Southern Brazil. The genetic similarity among some isolates suggests a clonal expansion.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Filogenia
/
Pseudomonas aeruginosa
/
Infecções por Pseudomonas
/
Beta-Lactamases
/
Resistência beta-Lactâmica
/
Genótipo
Tipo de estudo:
Screening_studies
Limite:
Humans
País/Região como assunto:
America do sul
/
Brasil
Idioma:
En
Revista:
Infect Genet Evol
Assunto da revista:
BIOLOGIA
/
DOENCAS TRANSMISSIVEIS
/
GENETICA
Ano de publicação:
2017
Tipo de documento:
Article
País de afiliação:
Brasil
País de publicação:
Holanda