Streptococcus sanguinisRANK: Species
TAXONOMY: Terrabacteria group -> Firmicutes -> Bacilli -> Lactobacillales -> Streptococcaceae -> Streptococcus -> Streptococcus sanguinis
'Streptococcus sanguinis', formerly known as 'Streptococcus sanguis', is a Gram-positive facultative anaerobic10.1128/IAI.73.9.6064-6074.2005 coccus species of bacteria and a member of the Viridans Streptococcus group. 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. Synonyms : strain SK1 , strain SK1, NCTC 7863, LMG 14702, JCM 5708, DSM 20567, CIP 55.128, CCUG 35770, CCUG 17826, ATCC 10556. Identified as a constituent of the oral microbiome by Human Oral Microbiome Database.
This species has been identified as a resident in the human gastrointestinal tract based on the phylogenetic framework of its small subunit ribosomal RNA gene sequences.[PMC 4262072]