NCIt definition : A species of facultatively anaerobic, gram positive, cocci shaped bacteria in the
phylum Firmicutes. This species is nonmotile, catalase and oxidase negative, produces
acid from lactose and does not hydrolyze esculin. L. lactis is not a normal colonizer
of humans and may be an opportunistic pathogenic.;
Alternative definition : CDISC: Any bacterial organism that can be assigned to the species Leuconostoc lactis.;