NCIt definition : A species of facultatively anaerobic, Gram positive, rod shaped bacteria in the phylum
Firmicutes. This species is nonmotile, ferments L arabinose, esculin and sucrose,
catalase negative and alpha galactosidase positive. L. fermentum is a commensal organism
of the urogenital tract with probiotic activity.;
Alternative definition : CDISC: Any bacterial organism that can be assigned to the species Lactobacillus fermentum.;