proteiniphilum acetatigenes proteiniphilum acetatigenes proteiniphilum acetatigenes is a gram-negative, rod-shaped, non-spore-forming, proteolytic, strictly anaerobic and motile bacterium from the genus of proteiniphilum which has been isolated from granule sludge from a uasb reactor in china. proteiniphilum acetatigenes scientific classification domain: bacteria phylum: bacteroidota class: bacteroidia order: bacteroidales family: dysgonomonadaceae genus: proteiniphilum species: p. acetatigenes binomial name proteiniphilum acetatigeneschen and dong 2005 emend. hahnke et al. 2016 synonyms peptophilum propionigenum