Capsular polysaccharide serotyping scheme for Staphylococcus epidermidis.
AUTOR(ES)
Fattom, A
RESUMO
A scheme for the capsular typing of Staphylococcus epidermidis that is based on direct slide agglutination between proteinase-treated bacterial cells and specific antisera is described. Antisera were prepared from serum from rabbits immunized with two selected strains of encapsulated S. epidermidis isolated from bacteremic patients. Antisera were shown to be type specific and designated type 1 and type 2. Blood isolates of S. epidermidis from hospitals in different locations within the United States and Europe were serotyped, and it was found that over 90% of all strains were of type 1 or type 2. Type-specific antibodies mediated type-specific opsonophagocytosis and killing of S. epidermidis. The specificity was shown to be due to two distinct capsular polysaccharides. The data presented in this report may open a new window on the pathogenesis of S. epidermidis which could lead to the development of new vaccines and therapies.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=270647Documentos Relacionados
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