Shigella sonnei

**Semantic type:** Bacterium

**Definition:** A species of facultatively anaerobic, Gram negative, rod shaped bacteria in the phylum Proteobacteria. This species is indole and citrate negative, ferments mannitol and ornithine and is beta-D-galactosidase positive. S. sonnei is found in the human gastrointestinal system and is pathogenic, being a causative agent of shigellosis.

**Synonyms:** - SHIGELLA SONNEI - Shigella Biogroup D