Porphyromonas gingivalis: Local and Systemic Virulence.
The asaccharolytic anaerobe Porphyromonas gingivalis is a contextually virulent keystone pathogen in the onset and progression of periodontal diseases. P. gingivalis is equipped with an array of virulence factors that promote oral colonization and adaptation to the prevailing heme and oxygen levels in the periodontal e...