PMID: 1213996Nov 1, 1975Paper

Structural differences in fructans elaborated by streptococcus mutans and Strep. salivarius

Journal of Biochemistry
S EbisuA Misaki

Abstract

D-Fructans synthesized from sucrose by cell-free systems of strains of Streptococcus mutans and Strep. salivarius have been shown by methylation and enzymatic studies to have different glycosidic linkages. The cold water-insoluble D-fructans from Strep. mutans strain BHT and JC-1 have inulin-type structures consisting beta-(2 leads to 1)-D-fructofuranosidic linkages, with average repeating units of 8 and 27 sugar residues, respectively, whereas the water-soluble fructan from Strep. salivarius strain HHT has a levan-type branched structure consisting beta-(2 leads to 6)-D-fructofuranosidic linkages with an average repeating unit of 9 sugar residues. The solubility properties of these fructants are discussed on the basis of the structural differences.

Citations

Apr 12, 2000·Critical Reviews in Oral Biology and Medicine : an Official Publication of the American Association of Oral Biologists·M K Yeung
Mar 10, 2006·Microbiology and Molecular Biology Reviews : MMBR·Sacha A F T van HijumIneke G H van Geel-Schutten
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