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Streptococcus is a genus of gram-positive or spherical bacteria that belongs to the family Streptococcaceae, within the order Lactobacillales (lactic acid bacteria), in the phylum Bacillota. [2] Cell division in streptococci occurs along a single axis , thus when growing they tend to form pairs or chains, which may appear bent or twisted.
Streptococcus Streptococcaceae are a family of Gram-positive bacteria , placed within the order Lactobacillales . [ 1 ] Representative genera include Lactococcus , Lactovum , and Streptococcus .
in 1905, Erwin F. Smith accepted 33 valid different names of bacterial genera and over 150 invalid names, [17] and Vuillemin, in a 1913 study, [18] concluded that all species of the Bacteria should fall into the genera Planococcus, Streptococcus, Klebsiella, Merista, Planomerista, Neisseria, Sarcina, Planosarcina, Metabacterium, Clostridium ...
The genus Streptococcus has around 129 species and 23 subspecies [16] that benefit many microbiomes on the human body. There are many species that show non-pathogenic characteristics; however, there are some, like S. pneumoniae, that exhibit pathogenic characteristics in the human body. [17] [11]
The temperature and pH of saliva makes it conducive for bacteria to survive in the oral cavity. Bacteria in the oral cavity include Streptococcus mutans, Porphyromonas gingivalis, and Staphylococcus. [15] S. mutans is the main component of the oral microbiota. [15] A healthy oral microbiome decreases oral infections and promotes a healthy gut ...
Bacteria of the genus Enterococcus, formerly known as group D streptococci, were classified as members of the genus Streptococcus until 1984 and are included in the original Lancefield grouping. [4] Many—but not all—species of streptococcus are beta-hemolytic .
This is a list of bacteria that are significant in medicine. ... Streptococcus. ... List of bacteria genera;
High G+C Gram-positive bacteria Bacillati "Bipolaricaulota" Hao et al. 2018 KB1 "Acetothermia" (OP1) "Fraserbacteria" (RIF31) Bacillati: Deinococcota: Weisburg, Giovannoni & Woes 2021 Bacillati "Margulisiibacteriota" corrig. Anantharaman et al. 2016 "Saganbacteria" Bacillati: Cyanobacteriota: Oren, Mares & Rippka 2022 Blue-green algae ...