mucilaginibacter soli mucilaginibacter soli mucilaginibacter soli is a gram-negative, facultatively anaerobic, rod-shaped and non-motile bacterium from the genus of mucilaginibacter which has been isolated from soil from the arctic tundra near ny-ålesund in norway. mucilaginibacter soli scientific classification domain: bacteria phylum: bacteroidota class: sphingobacteriia order: sphingobacteriales family: sphingobacteriaceae genus: mucilaginibacter species: m. soli binomial name mucilaginibacter solijiang et al. 2012 type strain cctcc ab 2010331, r9-65, nrrl b-59458