NCIt definition : A species of anaerobic, Gram negative, rod shaped bacteria assigned to the phylum
Proteobacteria. This bacteria is oxidase and catalase positive, reduces nitrate, hydrolyzes
urea and is indole negative. A. ureae is found rarely as a commensal organism of the
human respiratory tract and may cause respiratory tract infections in humans.;
Alternative definition : CDISC: Any bacterial organism that can be assigned to the species Actinobacillus ureae.;