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. 1987 Dec;55(12):3006–3010. doi: 10.1128/iai.55.12.3006-3010.1987

Structural studies of the serotype-f polysaccharide antigen from Streptococcus mutans OMZ175.

R Linzer 1, M S Reddy 1, M J Levine 1
PMCID: PMC260020  PMID: 2824381

Abstract

The serotype f antigen of Streptococcus mutans has been described as a rhamnose-glucose polysaccharide associated with the bacterial cell wall. In this study, the structure of serotype f polysaccharide was examined by analyses of the methylated derivatives of the antigen and the periodate-oxidized antigen. Methylated derivatives were characterized with a gas chromatograph-mass spectrometer. The polysaccharide appeared to have a backbone of alternating 1,3- and 1,2,3-linked rhamnose units. Branching occurred at the 3-position of the 1,2,3-linked rhamnose. Side chains were composed of terminal alpha-linked glucose units. A small proportion of longer side chains containing 1,2- and 1,6-linked glucose units were noted in some preparations; however, these determinants were not reactive with serotype f antisera.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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