paludibacter propionicigenes paludibacter propionicigenes paludibacter propionicigenes is a gram-negative, strictly anaerobic, non-spore-forming and non-motile bacterium from the genus of paludibacter which has been isolated from rice plant residue in yamagata on japan. paludibacter propionicigenes produces propionate and acetate from glucose fermentation and is classified as a saccharolytic fermenter. paludibacter propionicigenes scientific classification domain: bacteria phylum: bacteroidota class: bacteroidia order: bacteroidales family: "paludibacteraceae" genus: paludibacter species: p. propionicigenes binomial name paludibacter propionicigenesueki et al. 2006 type strain ccug 53888, dsm 17365, jcm 13257, wb4