Query: NC_012471:2058592 Streptococcus equi subsp. equi 4047, complete genome Lineage: Streptococcus equi; Streptococcus; Streptococcaceae; Lactobacillales; Firmicutes; Bacteria General Information: Streptococcus equi equi is an obligate parasitic bacterium and is the causative agent of a serious upper respiratory tract disease within members of the family Equidae (horses), called strangles. Strangles is a highly contagious disease of the nasopharynx and lymph nodes. The genome sequence of this organism will provide information into the production and regulation of virulence factors involved in this disease. Pathogenic in horses, goats and sheep. Streptococci are Gram-positive, nonmotile, nonsporeforming, catalase-negative cocci that occur in pairs or chains. Members of this genus vary widely in pathogenic potential. Most streptococci are facultative anaerobes, and some are obligate anaerobes.
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General Information: This strain was isolated from human dental plaque in 1980 and is virulent in a rat model. Indigenous oral bacteria that causes dental decay and possibly endocarditis. Most streptococci are facultative anaerobes, and some are obligate anaerobes. Serologic grouping is based on antigenic differences in cell wall carbohydrates, in cell wall pili-associated protein, and in the polysaccharide capsule in group B streptococci. This microbe is found associated with human oral bacterial communities and can colonize the dental surfaces, aiding other organisms in attachment. Progression of caries and periodontal disease are associated with this microbe as is endocarditis which can lead to death.