Citrobacter youngae

**Semantic type:** Bacterium

**Definition:** A species of facultatively anaerobic, gram negative, rod shaped bacteria assigned to the phylum Proteobacteria. This species is motile by peritrichous flagella, indole negative, ornithine decarboxylase negative and produces acid from dulcitol but not melibiose. C. youngae is a commensal organism of the gastrointestinal tract and may cause nosocomial infections.

**Synonyms:** - CITROBACTER YOUNGAE