Acidogenicity of dual-species biofilms of bifidobacteria and Streptococcus mutans
نویسندگان
چکیده
منابع مشابه
Stevioside Hydrate Effect on Growth, Acidogenicity and Adhesion of Streptococcus Mutans In Vitro
Background and aim: The present study examined the in vitro effect of pure glycoside Stevioside hydrate on pH, growth and biofilm formation of Streptococcus mutans. Method: S. mutans were supplemented with different concentrations of Stevioside hydrate. Bacterial growth, metabolism and effect on biofilm formation were examined. Results: The presence of Stevioside hydrate had no significant effe...
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Streptococcus mutans, with the ability of high-rate acid production and strong biofilm formation, is considered the predominant bacterial species in the pathogenesis of human dental caries. Natural products which may be bioactive against S. mutans have become a hot spot to researches to control dental caries. LongZhang Gargle, completely made from Chinese herbs, was investigated for its effects...
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Nanoparticle complexes were prepared from chitosans of various molecular weights (MW) and degrees of deacetylation (DD). The antimicrobial effect was assessed by the Live/Dead BacLight technique in conjunction with confocal scanning laser microscopy (CSLM) and image analysis. Nanocomplexes prepared from chitosans with high MW showed a low antimicrobial effect (20 to 25% of cells damaged), where...
متن کاملHolographic microrheology of polysaccharides from Streptococcus mutans biofilms
We use three-dimensional holographic particle tracking to perform microrheological measurements of model gelled media, including the polysaccharide pellicle of dental biofilms created by the common cariogenic oral pathogen Streptococcus mutans. Nanometerresolution video-rate holographic tracking of embedded colloidal spheres provides accurate measurements of the gels’ complex viscoelastic modul...
متن کاملNatural genetic transformation of Streptococcus mutans growing in biofilms.
Streptococcus mutans is a bacterium that has evolved to be dependent upon a biofilm "lifestyle" for survival and persistence in its natural ecosystem, dental plaque. We initiated this study to identify the genes involved in the development of genetic competence in S. mutans and to assay the natural genetic transformability of biofilm-grown cells. Using genomic analyses, we identified a quorum-s...
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ژورنال
عنوان ژورنال: Clinical Oral Investigations
سال: 2016
ISSN: 1432-6981,1436-3771
DOI: 10.1007/s00784-016-1958-1