Streptococcus mitis
Streptococcus mitis is a gram-positive commensal bacterium that forms part of the normal oral and upper respiratory microbiota in humans. It is closely related to Streptococcus pneumoniae and shares genomic features that have been studied to understand pathogen evolution; research documents instances of S. mitis causing opportunistic infections such as endocarditis and meningitis in immunocompromised individuals. It is not classified as a probiotic organism. The available indexed literature focuses on its taxonomy, phylogenetics, antimicrobial susceptibility, and its role as a commensal that can occasionally shift to pathogenic behavior; it is included here in a research and taxonomic context only. These are research topics, not findings; the papers do not establish that this strain treats or prevents any condition.
Where it's been studied Tags come from a conservative keyword scan of each paper's title, abstract, and summary. A tag is research coverage, not measured effect. How we classify this →
Share of this strain's 224 body-system-tagged papers that concern each system. Research coverage, not measured effect.
+4 more systems
Symptoms in the research A tag means the paper's text names the symptom or condition — research coverage, not evidence of benefit. How we classify this →
Share of this strain's 167 symptom-tagged papers that mention each symptom or condition. Research coverage, not evidence of benefit.
Research Study-type filters use AI-classified labels, audited but not guaranteed — check the paper itself before leaning on one. How we classify this →
367 papers reference this strain in the probiotic database.
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