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Streptococcus thermophilus formerly known as Streptococcus salivarius subsp. thermophilus[2][1] is a gram-positive bacterium, and a fermentative facultative anaerobe, of the viridans group. [3] It tests negative for cytochrome, oxidase, and catalase, and positive for alpha-hemolytic activity. [3] It is non-motile and does not form endospores. [3]
Streptococcus dysgalactiae subsp. canis [20] is the predominant subspecies encountered. It is a particularly common GGS in humans, although it is typically found on animals. S. phocae is a GGS subspecies that has been found in marine mammals and marine fish species.
Streptococcus constellatus subsp. viborgensis Jensen et al., 2013. Streptococcus constellatus is a species of Streptococcus [2] bacteria that is part of the normal flora in the oral cavity, urogenital region, and intestinal tract. However, it can frequently cause purulent infections in other parts of the body. [3]
Streptococcus zooepidemicus. Streptococcus zooepidemicus is a Lancefield group C streptococcus that was first isolated in 1934 by P. R. Edwards, and named Animal pyogens A. [1] It is a mucosal commensal and opportunistic pathogen that infects several animals and humans, but most commonly isolated from the uterus of mares.
Streptococcus salivarius subsp. thermophilus Andrewes & Horder 1906. Streptococcus salivarius is a species of spherical, gram-positive, facultative anaerobic lactic acid bacteria [1] that is both catalase and oxidase negative. S. salivarius colonizes (usually in chains) the oral cavity and upper respiratory tract of humans just a few hours ...
Streptococcus dysgalactiae. Streptococcus dysgalactiae is a gram positive, beta-haemolytic, coccal bacterium belonging to the family Streptococcaceae. It is capable of infecting both humans and animals, but is most frequently encountered as a commensal of the alimentary tract, genital tract, or less commonly, as a part of the skin flora.
Streptococcus equinus Andrewes and Horder 1906. Streptococcus bovis is a group of strains of Gram-positive bacteria, originally described as a species, [5][6] that in humans is associated with urinary tract infections, endocarditis, sepsis, [7] and colorectal cancer. [8] S. bovis is commonly found in the alimentary tract of cattle, sheep, and ...
Vandamme et al. 1996. Streptococcus dysgalactiae subsp. equisimilis is a species of Streptococcus, initially described by Frost in 1936. [1] As a result of several DNA hybridization studies in 1983, the species was merged into Streptococcus dysgalactiae. [2] Subsequently, S. dysgalactiae was divided into the subspecies Streptococcus ...