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Comparative Study
. 1994;43(1):97-101.

The toxicity of antigens extracted from strains of Bacteroides vulgatus from different origins to chicken embryos

G S Rouyan  1 , F Meisel-Mikołajczyk, W Rumin
Affiliations
  • PMID: 7526620
Comparative Study

The toxicity of antigens extracted from strains of Bacteroides vulgatus from different origins to chicken embryos

G S Rouyan et al. Acta Microbiol Pol. 1994.

Abstract

The toxicity of purified lipopolysaccharides (LPS) and capsular polysaccharides (CPS) extracted from 3 strains of Bacteroides vulgatus to 11 day old chicken embryos was examined. The three B. vulgatus strains were isolated from different sources. The CELD50 (chicken embryos lethal dose 50%) of these preparations was determined. All antigens were shown to be lethal to chick embryos. The toxicity of LPS of the strains isolated from clinical sources was higher than that of the capsular antigens. The LPS and CPS of one strain isolated from normal gut-flora was less toxic than other antigens.

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