Bacteroides eggerthii

**Semantic type:** Bacterium

**Definition:** A species of obligately anaerobic, Gram-negative, rod shaped bacteria assigned to the phylum Bacteroidetes. This species is nonmotile, indole and esculin positive, forms pleomorphic rods in PYG broth, requires vitamin B12 to produce propionate from succinate, and hemin stimulates growth and produces succinate and acetate. B. eggerthii is commensal and part of the normal flora of the human gastrointestinal tract, but may become pathogenic in other body regions.

**Synonyms:** - BACTEROIDES EGGERTHII