title: Demonstration of alpha and beta components of group B streptococcal protein antigen c in serum-soft agar.
abstract: Among 85 group B streptococcal cultures with protein type antigen c 56 cultures demonstrated a diffuse type of colony morphology in plain soft agar. The addition of monospecific antibodies against the protein antigen c components c alpha and c beta converted specifically the colony morphology from diffuse to compact. According to this results the serum-soft agar technique could also be used to further characterize individual cultures of group B streptococci with protein antigen c.
authors: Institut für Bakteriologie und Immunologie, Justus-Liebig-Universität Giessen, FRG.
authors: I W
authors: IW
authors: Wibawan
authors: C
authors: C
authors: Lämmler
mesh_terms: D000818:Animals; D000942:Antigens, Bacterial / Q000032:analysis / Q000276:immunology*; D003470:Culture Media; D006801:Humans; D013292:Streptococcus agalactiae / Q000254:growth & development / Q000276:immunology*
chemical_list: D000942:Antigens, Bacterial; D003470:Culture Media