Bacteroides_melaninogenicus
Prevotella melaninogenica
Species of bacterium
Prevotella melaninogenica is a species of bacterium in the normal microbiota of the upper respiratory tract. It is an important human pathogen in various anaerobic infections, often mixed with other aerobic and anaerobic bacteria.[2] P. melaninogenica is an anaerobic, Gram-negative rod, named for its black colonies, and black pigment.
Prevotella melaninogenica is associated with hypertension together with Campylobacter rectus and Veillonella parvula.[3]