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Detection of partial virulence determinants and phenotypes in Enterococci / 中华检验医学杂志
Chinese Journal of Laboratory Medicine ; (12)2001.
Artículo en Chino | WPRIM | ID: wpr-584805
ABSTRACT
Objective To investigate the incidence of six virulence determinants and two phenotypes in clinical strains of Enterococci.Methods PCR and dot blot were used to detect the six virulence determinants in 145 clinical isolates. The two phenotypes , including ?-hemolysis and gelatin hydrolyze ,were performed on agar plate containing 7% rabbit blood and Todd-Hewitt agar plate supplemented with 3% gelatin, respectively.Results In E. faecalis and E. faecium ,the rates of detection of the six virulence determinants were gelE72.9% vs 30.6%,efaA79.2% vs 36.7%,cylA54.2% vs 34.7%,esp34.4% vs 36.7%,agg 18.8% vs 0, ace28.1% vs 0, respectively; the ? hemolysis was 45.8% vs 20.4%,the gelatin hydrolyze was 35.4% vs 16.3%.Conclusions E. faecalis possess more virulence determinants and phenotypes than E. faecium do. The virulence determinants are more common among the strains isolated from urine sample than those from among sputum . Most of the E. faecalis carry virulence determinants of gelE,efaA and cylA .

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Tipo de estudio: Estudio diagnóstico Idioma: Chino Revista: Chinese Journal of Laboratory Medicine Año: 2001 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Tipo de estudio: Estudio diagnóstico Idioma: Chino Revista: Chinese Journal of Laboratory Medicine Año: 2001 Tipo del documento: Artículo