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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Aires, Carolina P. Sassaki, Guilherme L. Santana-Filho, Arquimedes P. Spadaro, Augusto C. C. Cury, Jaime A. |
| Description | Country affiliation: Brazil Author Affiliation: Aires CP ( Department of Physics and Chemistry, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Avenida do Café s/n, Ribeirão Preto, SP 14040-903, Brazil.); Sassaki GL ( Department of Biochemistry and Molecular Biology, Federal University of Paraná, P.O. Box 19046, Curitiba, PR 81531-980, Brazil. Electronic address: sassaki@ufpr.br.); Santana-Filho AP ( Department of Biochemistry and Molecular Biology, Federal University of Paraná, P.O. Box 19046, Curitiba, PR 81531-980, Brazil.); Spadaro AC ( Department of Physics and Chemistry, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Avenida do Café s/n, Ribeirão Preto, SP 14040-903, Brazil.); Cury JA ( Department of Physiological Sciences, Piracicaba Dental School, University of Campinas, Avenida Limeira 901, Piracicaba, SP 13414-903, Brazil.) |
| Abstract | Baccharis dracunculifolia is a native plant from Brazil with antimicrobial activity. The purpose of this study was to investigate whether a B. dracunculifolia-based mouthrinse (Bd) changes the structure of insoluble exopolysaccharides (IEPS) in Streptococcus mutans UA159 cariogenic biofilm. Biofilms were grown on glass slides and treated with Bd, its vehicle (VC), chlorhexidine digluconate (CHX), or saline solution (NaCl). Among the treatments, only CHX significantly reduced the biofilm biomass and bacterial viability (p<0.05). Gas chromatography-mass spectrometry and nuclear magnetic resonance analyses revealed that IEPS from the four biofilm samples were - glucans containing different proportions of (1â6) and (1â3) glycosidic linkages. The structural differences among the four IEPS were compared by principal component analysis (PCA). PCA analysis indicated that IEPS from VC- and NaCl-treated biofilms were structurally similar to each other. Compared with the control, IEPS from Bd- and CHX-treated biofilms were structurally different and had distinct chemical profiles. In summary, the fact that Bd changed the IEPS chemical composition indicates that this mouthrinse may affect the cariogenic properties of the S. mutans biofilm formed. |
| File Format | HTM / HTML |
| ISSN | 01418130 |
| Volume Number | 84 |
| e-ISSN | 18790003 |
| Journal | International Journal of Biological Macromolecules |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2016-03-01 |
| Publisher Place | Netherlands |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Biochemistry Baccharis Chemistry Biofilms Drug Effects Mouthwashes Pharmacology Polysaccharides, Bacterial Streptococcus Mutans Anti-bacterial Agents Magnetic Resonance Spectroscopy Microbial Viability Monosaccharides Plant Extracts Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Structural Biology Molecular Biology Biochemistry |
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