NCIt definition : A species of aerobic, Gram-negative, coccobacilli shaped bacteria assigned to the
phylum Proteobacteria. This species is nonmotile, non-spore forming, catalase, oxidase
and urease positive, reduces nitrates, does not produce hydrogen sulfide, grows in
both basic fuchsin and thionine, and is negative for Tiblisi and Weybridge phage lysis.
B. melitensis is found in goats and sheep and is pathogenic to these species as well
as causes brucellosis in humans.;
Alternative definition : CDISC: Any bacterial organism that can be assigned to the species Brucella melitensis.;