Variation of type Antigens of Group-B Streptococci
Open Access
- 1 December 1980
- journal article
- research article
- Published by Springer Nature in Acta Veterinaria Scandinavica
- Vol. 21 (4) , 625-632
- https://doi.org/10.1186/bf03546850
Abstract
During the natural course of bovine mastitis caused by Group-B streptococci loss or gain of the Ibc-protein antigen was demonstrated on examination of isolates from subsequent samplings. Thus, “genuine” Ibc-stnains may arise from Ib, II Ibc, III Ibc and possibly from Ic-strains by loss of polysaccharide antigen or from non-typeable strains by acquisition of the Ibc-antigen. Variations were not provoked by ordinary laboratory procedures, but probably induced in vivo by specific antibodies.Keywords
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