Bacteroidetes

Bacteroidetes is a phylum of bacteria. 

All species in this phylum are Gram-negative. 

 

Classification

Domain : Prokaryota, Bacteria  

Kingdom : Bacteria  

Phylum : Bacteroidetes

Class : Bacteroidetes

Order : Bacteriodales 

 

Family: Bacteroidaceae 

• Bacteroides fragilis : Normal commensal in gut microbiome. Can cause opportunistic infections. It is the most common anaerobic pathogen. 

Family : Porphyromonadaceae

• Porphyromonas gingivalis : Periodontal disease (gum disease), Alzheimer's disease and rheumatoid arthritis