olsenella uli olsenella uli olsenella uli is a gram-positive bacterium from the genus of olsenella which has been isolated from the gingival crevice of humans. olsenella uli can cause endodontic infections. olsenella uli scientific classification domain: bacteria phylum: actinomycetota class: coriobacteriia order: coriobacteriales family: atopobiaceae genus: olsenella species: o. uli binomial name olsenella uli(olsen et al. 1991) dewhirst et al. 2001 type strain atcc 49627, ccug 31166, cip 109912, dsm 7084, jcm 12494, kctc 5039, lmg 11480, ncfb 2895, ncimb 702895, vpi d76d-27c synonyms atopobium uli,lactobacillus uli