sphingomonas sanxanigenens sphingomonas sanxanigenens sphingomonas sanxanigenens is a gram-negative, non-spore-forming and rod-shaped bacteria from the genus of sphingomonas which has been isolated from soil from a cornfield from xinhe county in china. sphingomonas sanxanigenens scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: sphingomonadales family: sphingomonadaceae genus: sphingomonas binomial name sphingomonas sanxanigenenshuang et al. 2009 type strain cgmcc 1.6417, cip 110406, dsm 19645, nx02