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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 anginosus group streptococci are members of the viridans streptococci group. [1] They have been implicated as etiologic agents in a variety of serious purulent infections, but because of their heterogeneous characteristics, these organisms may be unrecognized or misidentified by clinical laboratorians. [ 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.
Streptococcus anginosus: General distribution Streptococcus mutans: Teeth: dental plaque Streptococcus oralis: Teeth: dental plaque Streptococcus pneumoniae: Nasopharynx Streptococcus sobrinus: Teeth: dental plaque Streptococcus viridans: Mouth, large intestine, small intestine (Ileon) Torulopsis glabrata: Mouth Treponema denticola: Mouth ...
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S. agalactiae, or group B streptococcus, GBS, causes pneumonia and meningitis in newborns and the elderly, with occasional systemic bacteremia. Importantly, Streptococcus agalactiae is the most common cause of meningitis in infants from one month to three months old.
After three months, there was an apparent change in the Cool Mint Listerine users' microbiomes, noting that they had more Streptococcus anginosus (S. anginosus) and Fusobacterium nucleatum (F ...
Strep A is a type of bacteria that causes strep throat, but it can also lead to more serious infections. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to ...