Corynebacterium afermentans

**Semantic type:** Bacterium

**Definition:** A species of aerobic or facultatively anaerobic, Gram-positive, coryneform, pleomorphic bacilli assigned to the phylum Actinobacteria. This species is nonmotile, non-spore forming, catalase positive, oxidase, urease, indole and esculin negative, does not reduce nitrate, is non-fermenting, non-acid fast, and does not produce hydrogen sulfide; some subspecies are lipophilic and others non-lipophilic. C. afermentans is commensal, but can become pathogenic and has been associated with prosthetic valve endocarditis.

**Synonyms:** - CORYNEBACTERIUM AFERMENTANS - Corynebacterium ANF-1 - Corynebacterium ANF-1