Porphyromonas gingivalis
Type: organism Aliases: P. gingivalis periodontal pathogen
Systems Analogy
Invasive pests nesting in peripheral water mains (the gums) and traveling upstream into the city's central water reservoir (the brain).
A gram-negative, anaerobic oral pathogen and keystone species in chronic periodontitis, linked to systemic inflammation and postmortem brain pathology.
Mentioned In
Scientific Sources & Verbatim Definitions
- Empirical StudyDominy SS, et al. Porphyromonas gingivalis in Alzheimer's disease brains: Evidence for disease causation and treatment with small-molecule inhibitors. Sci Adv. 2019;5(1):eaau3333. ↗
"Porphyromonas gingivalis is identified as a primary pathogen linking periodontitis to Alzheimer's pathology."