Bacteroides stercoris

Bacteroides stercoris is an anaerobic, Gram-negative, non-spore-forming rod-shaped bacterium. It is a typical component of the human microbiome, commonly found in the colon. It typically forms a beneficial relationship with the host when retained in the gut. Escape from this environment can cause significant pathology in many body sites. It is a member of the Bacteroides fragilis group, a group of closely related and most commonly isolated Bacteroidacaea in anaerobic infections. The group is named after Bacteroides fragilis, the most prevalent organism in the group.