NCIt definition : A species of obligately anaerobic, gram-positive, rod shaped bacteria assigned to
the phylum Actinobacteria. This species is non-motile, non-spore forming, indole,
urease and catalase negative, non-hemolytic, does not hydrolyze esculin and nitrate
is note reduced. S. exigua was previously classified as Eubacterium exiguum.;
Alternative definition : CDISC: Any bacterial organism that can be assigned to the species Slackia exigua.;