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The majority of Streptococcus anginosus strains produce acetoin from glucose, ferment lactose, trehalose, salicin, and sucrose, and hydrolyze esculin and arginine. Carbon dioxide can stimulate growth or is even required for growth in certain strains. Streptococcus anginosus may be beta-hemolytic or nonhemolytic. The small colonies often give ...
The group is named after a principal member species, Streptococcus anginosus. The older name Streptococcus milleri (as well as Streptococcus milleri group, SMG) is now pseudotaxonomic, as the idea that these streptococci constituted a single species was incorrect. The anginosus group streptococci are members of the viridans streptococci group. [1]
Streptococcus intermedius is an aerotolerant anaerobic commensal bacterium and a member of the Streptococcus anginosus group. The S. anginosus group, occasionally termed “ Streptococcus milleri group” (SMG) display hemolytic and serologic diversity, yet share core physiological traits.
Streptococcus anginosus in the gut was independently associated with 20% higher odds of stroke after controlling for vascular risk factors. Anaerostipes hadrus—a gut bacteria associated with ...
Streptococcus anginosus group 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 ]
In fact, the amount of streptococcus anginosus in the saliva and the gut was associated with both a higher risk of stroke and worse outcomes, including death and other major cardiovascular events ...
The system, created by Rebecca Lancefield, was historically used to organize the various members of the family Streptococcaceae, which includes the genera Lactococcus and Streptococcus, but now is largely superfluous due to explosive growth in the number of streptococcal species identified since the 1970s. [2]
Based on DNA homology and whole-cell polypeptide-pattern study findings supported by phenotypic characteristics, the DNA homology group of microaerobic streptococci that was formerly known as Streptococcus anginosus or Streptococcus milleri is now composed of three distinct species: S. anginosus, S. constellatus, and S. intermedius.