Porphyromonas gingivalis belongs to the phylum Bacteroidota and is a nonmotile, Gram-negative, rod-shaped, anaerobic, pathogenic bacterium. It forms black colonies on blood agar.

While human subgingival plaque harbors more than 500 bacterial species, considerable research has shown that Porphyromonas gingivalis, a Gram-negative anaerobic bacterium, is the major etiologic …

Jun 18, 2025 · This review will explore the pathogenic mechanisms employed by P. gingivalis, including immune evasion, dissemination, and molecular mimicry, and evaluate the clinical and …

Porphyromonas gingivalis is a Gram-negative anaerobic bacterium that colonizes dental plaque biofilms in the human oral cavity and plays a key role in the initiation and progression of chronic periodontitis [1].

Jul 26, 2025 · P. gingivalis is a Gram-negative, anaerobic bacterium, thriving in oxygen-free environments like deep gum pockets. It is a prominent contributor to chronic periodontitis, a severe …

Jun 4, 2025 · Porphyromonas gingivalis, a main causative agent of PD, is a non-motile, asaccharolytic, Gram-negative bacterium identified in subgingival, supragingival, and tongue sites in patients.

Mar 14, 2024 · Porphyromonas gingivalis, a Gram-negative anaerobic bacterium commonly found in human subgingival plaque, is a major etiologic agent for periodontitis and has been associated with …

Aug 30, 2024 · What Is P. gingivalis? Porphyromonas gingivalis, or P. gingivalis, is a species of bacteria that is closely associated with gum disease. It is classified as a gram-negative, anaerobic bacteria …

Feb 9, 2016 · While human subgingival plaque harbors more than 500 bacterial species, considerable research has shown that Porphyromonas gingivalis, a Gram-negative anaerobic bacterium, is the …

Porphyromonas gingivalis is a Gram-negative oral anaerobe that is involved in the pathogenesis of periodontitis and is a member of more than 500 bacterial species that live in the oral cavity.