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Epidemiology of Serratia marcescens Isolates by Transferable Resistance Gene Analysis
Journal of the Korean Society for Microbiology ; : 485-497, 1998.
Artigo em Coreano | WPRIM | ID: wpr-165055
ABSTRACT
Conjugative R plasmids derived from 74 clinical isolates of Serratia marcescens were epidemiologically analyzed for antimicrobial resistance, EcoRI restriction endonuclease analysis and Southern hybridization with DHFR, TEM and SHV probe. 1. Resistance frequency of isolates against various B-lactam antibiotics was changed by year. 2. Twenty (27%) resistant strains transferred 32 R plasmids to E. coli or Klebsiella by mixed culture. Most strains isolated from 1994 to 1996 transferred only trimethoprim resistance but most strains isolated from 1997 did resistances against gentamicin (Gm) and B-lactams including ampicillin (Ap), carbenicillin (Cb), cefazolin (Cz), cefaloridine (Cl), cefamandole (Cn). 3. Ten plasmids of GmApCbCzC1Cn or GmApCbCzC1 pattern and 3 plasmids of TcSuGmTbApCbCzC1 pattern respectively showed identical EcoRI restriction endonuclease digestion patterns and hybridized fragment patterns with TEM-1 probe by Southern hybridization. These results indicate that the epidemic plasmids carrying blamM gene were present in this hospital in 1997 and molecular genetic analysis of R plasmids can be used to discriminate S. marcescens isolates for epidemiologic studies.
Assuntos
Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Plasmídeos / Serratia / Serratia marcescens / Fatores R / Carbenicilina / Resistência a Trimetoprima / Gentamicinas / Enzimas de Restrição do DNA / Estudos Epidemiológicos / Cefamandol Tipo de estudo: Estudo observacional / Estudo de rastreamento Idioma: Coreano Revista: Journal of the Korean Society for Microbiology Ano de publicação: 1998 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Plasmídeos / Serratia / Serratia marcescens / Fatores R / Carbenicilina / Resistência a Trimetoprima / Gentamicinas / Enzimas de Restrição do DNA / Estudos Epidemiológicos / Cefamandol Tipo de estudo: Estudo observacional / Estudo de rastreamento Idioma: Coreano Revista: Journal of the Korean Society for Microbiology Ano de publicação: 1998 Tipo de documento: Artigo