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Serological Activity of Staphylococcal Polysaccharide

Department of Medicine, Medical College of Georgia, Augusta, Georgia
Department of Medical Microbiology and Public Health, Medical College of Georgia, Augusta, Georgia

ABSTRACT

The polysaccharide from cell walls of coagulase-positive staphylococci coated both latex particles and tanned red cells for agglutination by human sera and by specific staphylococcal antisera. Treatment with trypsin or autoclaving destroyed the capacity of polysaccharide to coat particles but did not affect precipitation of antibody. Periodic acid destroyed both properties. The teichoic acid portion of the staphylococcal polysaccharide displayed precipitin activity similar to polysaccharide, but it did not coat either latex particles or tanned red cells. Teichoic acid did, however, inhibit specific agglutination of polysaccharide-coated particles or cells.