sphingomonas naasensis sphingomonas naasensis sphingomonas naasensis is a gram-negative, aerobic and rod-shaped bacteria from the genus of sphingomonas with a polar flagellum which has been isolated from forest soil on the baengnyeong island in korea. sphingomonas naasensis scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: sphingomonadales family: sphingomonadaceae genus: sphingomonas binomial name sphingomonas naasensiskim et al. 2014 type strain kacc 16534, nbrc 108943, kis18-15