mucilaginibacter polysacchareus mucilaginibacter polysacchareus mucilaginibacter polysacchareus is a gram-negative, aerobic and non-motile bacterium from the genus of mucilaginibacter which has been isolated from the rhizoplane of the plant angelica sinensis in geumsan in korea. mucilaginibacter polysacchareus produces exopolysaccharide. mucilaginibacter polysacchareus scientific classification domain: bacteria phylum: bacteroidota class: sphingobacteriia order: sphingobacteriales family: sphingobacteriaceae genus: mucilaginibacter species: m. polysacchareus binomial name mucilaginibacter polysacchareushan et al. 2012 type strain kacc 15075, drp28, drp29, drp31, nbrc 107757