oribacterium asaccharolyticum oribacterium asaccharolyticum oribacterium asaccharolyticum is a gram-positive, strictly anaerobic, non-spore-forming, rod-shaped and motile bacterium from the genus of oribacterium which has been isolated from the human subgingival dental plaque from a patient in boston in the united states. oribacterium asaccharolyticum scientific classification domain: bacteria phylum: bacillota class: clostridia order: eubacteriales family: lachnospiraceae genus: oribacterium species: o. asaccharolyticum binomial name oribacterium asaccharolyticumsizova et al. 2014 type strain acb7, atcc baa-2639, dsm 24638, hm-482