Streptococcus sanguis

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Streptococcus sanguis


It is a Gram-positive facultative coccus species of bacteria. S. sanguinis is a normal inhabitant of the healthy human mouth where it is particularly found in dental plaque, where it modifies the environment to make it less hospitable for other strains of Streptococcus that cause cavities, such as Streptococcus mutans.



Scientific classification
Kingdom Bacteria
Phylum Firmicutes
Class Bacilli
Order Lactobacillales
Family Streptococcaceae
Genus Streptococcus
Species S. sanguis
Binomial Streptococcus sanguis


Surface Characteristics

The type I antigen was a polysaccharide composed of glucose, rhamnose, and N-acetylglucosamine in a molar ratio of 1.4:2.5:1.0.







References

Wikipedia

Background on Streptococcus sanguinis