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Streptococcus is a genus of gram-positive coccus (pl.: cocci) or spherical bacteria that belongs to the family Streptococcaceae, within the order Lactobacillales (lactic acid bacteria), in the phylum Bacillota. Cell division in streptococci occurs along a single axis
Streptococcaceae are a family of Gram-positive bacteria, placed within the order Lactobacillales. Representative genera include Lactococcus, Lactovum, and Streptococcus. References
- Streptococcaceae
- Lactobacillales
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Streptococcus pyogenes is a species of Gram-positive, aerotolerant bacteria in the genus Streptococcus. These bacteria are extracellular, and made up of non-motile and non-sporing cocci (round cells) that tend to link in chains.
The Peptostreptococcaceae are a family of Gram-positive bacteria in the class Clostridia . Several members of the Peptostreptococcaceae are well known inhabitants of the digestive tract. Microbiome studies of animal feces have corroborated this.
- Peptostreptococcaceae, Ezaki 2010
- Eubacteriales
Streptococcus mitis is a mesophilic alpha-hemolytic species of Streptococcus that inhabits the oral cavity. It is coccus (spherical shaped), gram-positive, catalase negative, and facultative anaerobe. It was previously classified as Streptococcus mitior.
- S. mitis
- Streptococcaceae
Lactococcus is a genus of lactic acid bacteria that were formerly included in the genus Streptococcus Group N1. [2] . They are known as homofermenters meaning that they produce a single product, lactic acid in this case, as the major or only product of glucose fermentation.
Streptococcus anginosus is a species of Streptococcus. [1] This species, Streptococcus intermedius, and Streptococcus constellatus constitute the anginosus group, which is sometimes also referred to as the milleri group after the previously assumed but later refuted idea of a single species Streptococcus milleri.
