mucilaginibacter rigui mucilaginibacter rigui mucilaginibacter rigui is a gram-negative, aerobic, rod-shaped and non-motile bacterium from the genus of mucilaginibacter which has been isolated from freshwater from the woopo wetland in korea. mucilaginibacter rigui scientific classification domain: bacteria phylum: bacteroidota class: sphingobacteriia order: sphingobacteriales family: sphingobacteriaceae genus: mucilaginibacter species: m. rigui binomial name mucilaginibacter riguibaik et al. 2010 type strain kctc 12534, wpcb133, nbrc 101115