Helicobacter fennelliae

**Semantic type:** Bacterium

**Definition:** A species of microaerophilic, Gram negative, helical rod shaped bacteria assigned to the phylum Proteobacteria. This species is motile by a single polar flagellum, catalase positive, and hydrolyzes indoxyl acetate and arylsulfatase but not hippurate. H. fennelliae is part of the normal flora of human and animal intestines and is an opportunistic pathogen in immunocompromised patients.

**Synonyms:** - Campylobacter fennelliae - Campylobacter fennelliae - HELICOBACTER FENNELLIAE