NCIt definition : A species of facultatively anaerobic, Gram negative, rod shaped bacteria in the phylum
Proteobacteria. This species is oxidase and citrate negative, indole positive and
can produce acid and gas from glucose. S. flexneri is a pathogen that causes shigellosis
in primates.;
Alternative definition : CDISC: Any bacterial organism that can be assigned to the species Shigella flexneri.;