1887

Abstract

SUMMARY

Certain strains of and group-H streptococci have been shown to have similar physiological properties and serological specificities. Serological studies revealed that serotype-III shared a common antigen with the so-called “British” group-H streptococci, but not with the “American” group-H streptococci. Serotype-III antigen was extracted in cold 5% trichloroacetic acid from isolated cell walls of ATCC 10558, and purified chromatographically. The purified serotype-III antigen consisted of neutral and amino sugars and some phosphorus, and was negatively charged. Hapten inhibition of the quantitative precipitin reaction between serotype-III antigen and antiserum indicated the strong possibility of α-glucosidic linkages being an immunodeterminant of the antigen.

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1987-06-01
2022-05-28
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