Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/512
Type: Artigo
Title: Structural characterization of exopolysaccharides from biofilm of a cariogenic streptococci
Author: Aires, Carolina P.
Tenuta, Livia M.
Carbonero, Elaine R.
Sassaki, Guilherme L.
Iacomini, Marcello
Cury, Jaime A.
Abstract: Soluble (EPS-SOL), as well as insoluble extracellular polysaccharide (EPS-INSOL), extracted from biofilm of Streptococcus mutans, were analyzed by nuclear magnetic resonance spectroscopy, methylation analysis, and a controlled Smith degradation. EPS-SOL was a branched alpha-glucan containing a (1 -> 6)-and (1 -> 3)-linkages. EPS-INSOL was a branched alpha-glucan with similar linkages, but with a (1 -> 3)-linked main-chain partially substituted at O-6 with Glcp-(1 -> 6)-Glcp-side chains. Biofilm EPS had a distinct chemical structure compared with those synthesized by plankton cells or by purified enzymes from S. mutans, which could indicate different mechanisms for its degradation. (C) 2011 Published by Elsevier Ltd.
Soluble (EPS-SOL), as well as insoluble extracellular polysaccharide (EPS-INSOL), extracted from biofilm of Streptococcus mutans, were analyzed by nuclear magnetic resonance spectroscopy, methylation analysis, and a controlled Smith degradation. EPS-SOL was a branched alpha-glucan containing a (1 -> 6)-and (1 -> 3)-linkages. EPS-INSOL was a branched alpha-glucan with similar linkages, but with a (1 -> 3)-linked main-chain partially substituted at O-6 with Glcp-(1 -> 6)-Glcp-side chains. Biofilm EPS had a distinct chemical structure compared with those synthesized by plankton cells or by purified enzymes from S. mutans, which could indicate different mechanisms for its degradation
Subject: Streptococcus mutans
Biofilmes
Polissacarídeos
Country: Inglaterra
Editor: Pergamon Press
Citation: CARBOHYDRATE POLYMERS, v.84, n.4, p.1215-1220, 2011
Rights: fechado
Identifier DOI: 10.1016/j.carbpol.2010.12.076
Address: https://www.sciencedirect.com/science/article/pii/S0144861711000075?via%3Dihub
Date Issue: 2011
Appears in Collections:FOP - Artigos e Outros Documentos

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