Streptococcus mitis: Difference between revisions

Latest revision as of 13:22, 3 August 2022

A groups of gamma-hemolytic catalase-negative Gram-positive coccus within the genus Streptococcus
- Includes Streptococcus mitis and Streptococcus oralis
On Gram stain, often has an arrow-head shape and grows in pairs or short chains
Negative for acetoin production, arginine, esculin, and mannitol and are sorbitol fermentation negative
Closely related to Streptococcus pneumoniae

Generally low virulence
Invasive disease is much more common in immunocompromised patients, especially neutropenic patients and those undergoing chemotherapy
Can cause bacteremia, infective endocarditis, dental caries, eye infections, meningitis, and pneumonia

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 * Part of the normal flora of the [[Oropharyngeal flora|oropharynx]], [[Vaginal flora|female genital tract]], [[Gastrointestinal flora|gastrointestinal tract]], and [[Skin flora|skin]]
+=== Microbiology ===
+*A groups of [[Hemolysis::gamma-hemolytic]] catalase-[[Catalase::negative]] [[Stain::Gram-positive]] [[Shape::coccus]] within the genus [[Streptococcus]]
+**Includes [[Streptococcus mitis]] and [[Streptococcus oralis]]
+*On Gram stain, often has an arrow-head shape and grows in pairs or short chains
+*Negative for acetoin production, arginine, esculin, and mannitol and are sorbitol fermentation negative
+*Closely related to [[Streptococcus pneumoniae]]
+== Clinical Manifestations ==
 * Generally low virulence
+*Invasive disease is much more common in immunocompromised patients, especially neutropenic patients and those undergoing chemotherapy
+*Can cause [[bacteremia]], [[infective endocarditis]], [[dental caries]], eye infections, [[Bacterial meningitis|meningitis]], and [[pneumonia]]
 [[Category:Gram-positive cocci]]