NCIt 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.;
Alternative definition : CDISC: Any bacterial organism that can be assigned to the species Citrobacter youngae.;