Streptococcus sanguinis
(HMT-758)
Taxon Description:
Viridans type of streptococci has had taxonomic revisions [15]. Previously designated as strains of Streptococcus sanguis subsp. carlssonii. Will also see in the literature as Streptococcus sanguinis a proposed name change.
Disease Associations:
Generally associated with healthy oral microflora but has been associated with intact enamel in children with no caries [2]. However it has been suggested that it may play a role in caries production [3].Has also been associated with infective endocarditis and sinusitis. S. sanguis and other oral species have been linked to Behcet's disease a systemic disorder of recurrent acute inflammation including oral aphthous ulcers uveitis skin lesions and genital ulcers [4]
Prevalence and Source:
Viridans type of streptococci has had taxonomic revisions [15]. Previously designated as strains of Streptococcus sanguis subsp. carlssonii. Will also see in the literature as Streptococcus sanguinis a proposed name change.
Disease Associations:
Generally associated with healthy oral microflora but has been associated with intact enamel in children with no caries [2]. However it has been suggested that it may play a role in caries production [3].Has also been associated with infective endocarditis and sinusitis. S. sanguis and other oral species have been linked to Behcet's disease a systemic disorder of recurrent acute inflammation including oral aphthous ulcers uveitis skin lesions and genital ulcers [4]
Prevalence and Source:
Commonly found in the human oral cavity and throat. Has been isolated from blood and heart valves of patients with bacterial endocarditis. May be found occasionally in human feces
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References:
[1] Coykendall AL, Specht PA. DNA base sequence homologies among strains of Streptococcus sanguis. J Gen Microbiol. 1975 Nov;91(1):92-8
[2] Becker MR, Paster BJ, Leys EJ, Moeschberger ML, Kenyon SG, Galvin JL, Boches SK, Dewhirst FE, Griffen AL. Molecular analysis of bacterial species associated with childhood caries. J Clin Microbiol. 2002 Mar;40(3):1001-9
[3] Sansone C, Van Houte J, Joshipura K, Kent R, Margolis HC. The association of mutans streptococci and non-mutans streptococci capable of acidogenesis at a low pH with dental caries on enamel and root surfaces. J Dent Res. 1993 Feb;72(2):508-16
[4] Suzuki Kurokawa M, Suzuki N. Behcets disease. Clin Exp Med. 2004 Sep;4(1):10-20
[5] Kilian M, Mikkelsen L, Henrichsen J. Taxonomic study of viridans Streptococci: Description of Streptococcus gordonii sp. nov. and emended descriptions of S. sanguis (White and Niven 1946), S. oralis .... Int J Syst Bacteriol. 1989 Oct;39(4):471-84.
[6] Hardie RM. Genus Streptococcus. Bergey's Manual of Systematic Bacteriology 1986; Vol. 2, pp. 1043-1063.
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