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PMID:18402606
| Citation |
Duarte, S, Klein, MI, Aires, CP, Cury, JA, Bowen, WH and Koo, H (2008) Influences of starch and sucrose on Streptococcus mutans biofilms. Oral Microbiol. Immunol. 23:206-12 |
|---|---|
| Abstract |
The combination of starch and sucrose has been shown to be potentially more cariogenic than either alone. The aim of this study was to examine the influence of starch and sucrose, alone or in combinations, on formation, polysaccharide composition, gene expression, and acidogenicity of Streptococcus mutans biofilms. |
| Links |
PubMed Online version:10.1111/j.1399-302X.2007.00412.x |
| Keywords |
Acids/metabolism; Amylases/analysis; Bacterial Proteins/analysis; Biofilms/drug effects; Cariogenic Agents/pharmacology; Dextranase/analysis; Dietary Carbohydrates/pharmacology; Durapatite/chemistry; Fructose/pharmacology; Gene Expression Regulation, Bacterial/drug effects; Gene Expression Regulation, Enzymologic/drug effects; Glucose/pharmacology; Glucosyltransferases/analysis; Humans; Hydrogen-Ion Concentration; Polysaccharides, Bacterial/analysis; RNA, Messenger/analysis; Saliva; Starch/pharmacology; Streptococcus mutans/drug effects; Streptococcus mutans/physiology; Sucrose/pharmacology |
| edit table |
Significance
Annotations
| Gene product | Qualifier | GO Term | Evidence Code | with/from | Aspect | Extension | Notes | Status |
|---|---|---|---|---|---|---|---|---|
| GO:0005985: sucrose metabolic process |
ECO:0000314: |
P |
(Table 1)biofilms of S. mutans grown with starch in combination with sucrose exhibited biomass in production of the biofilm. |
complete | ||||
| GO:0005975: carbohydrate metabolic process |
ECO:0000314: |
P |
Figure 2. Amylase activity indicated by the amount of reducing sugars released into the medium during incubation of sHA in 1% starch. The amylase activities at 2, 4, and 6 h after salivary pellicle formation were not significantly different from each other. he presence of sucrose alone or in combinations resulted in biofilms displaying four to seven times more biomass, seven to 15 times more total protein, and 10 to 15 times more total EPS than starch or starch + glucose + fructose-grown biofilms (Table 1). |
complete | ||||
See also
References
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