sphingomonas jaspsi sphingomonas jaspsi sphingomonas jaspsi is a gram-negative, aerobic, pleomorphic and motile bacteria from the genus of sphingomonas which has been isolated from fresh water in misasa in japan. sphingomonas jaspsi produces carotenoid. sphingomonas japonica scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: sphingomonadales family: sphingomonadaceae genus: sphingomonas binomial name sphingomonas japonicaasker et al. 2007 type strain ccug 53607, cip 109619, dsm 18422, nbrc 102120, tdma-16