Article
Production and characterization of two Streptococcus suis capsular type 2 mutants.
Veterinary microbiology - 1 Jan 1992
Gottschalk M, Higgins R, Jacques M, Dubreuil D
Abstract excerpt
Two avirulent mutants of Streptococcus suis capsular type 2 (M2 and M42) were produced from a highly virulent strain. Mutant M2, obtained after serial subcultures of the parent strain in the presence of rabbit anti-capsular type 2 serum, no longer possessed the type-specific capsular antigen, as demonstrated by serotyping methods and immunoelectron microscopy. The Lancefield group D antigen could not be detected...
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