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Type: Artigo de periódico
Title: A procedure for characterizing glucans synthesized by purified enzymes of cariogenic Streptococcus mutans
Author: Aires, CP
Koo, H
Sassaki, GL
Iacomini, M
Cury, JA
Abstract: Extracellular polysaccharide is a virulence factor of the most cariogenic bacteria, Streptococcus mutans. We describe a procedure for chemical analysis of this polysaccharide of S. mutans, using a well-known glucan synthesized by purified enzymes of cariogenic streptococci. Soluble and insoluble glucan from glucosyltransferase D and B respectively, were prepared and analyzed by nuclear magnetic resonance spectroscopy and methylation. Soluble alpha-glucan contained 60% of (1 -> 6)-linkages and 17% of branching while insoluble alpha-glucan was composed of 57% of (1 -> 3)- and 28% of (1 -> 6)-linkages with 8% branching. The described procedure could be important focusing future studies on in vivo biofilm. (C) 2010 Published by Elsevier B.V.
Subject: Streptococcus mutans
Chemical structure
Country: Holanda
Editor: Elsevier Science Bv
Rights: fechado
Identifier DOI: 10.1016/j.ijbiomac.2010.01.018
Date Issue: 2010
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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