sphingopyxis panaciterrae sphingopyxis panaciterrae sphingopyxis panaciterrae is a gram-negative, strictly aerobic and motile bacterium from the genus of sphingopyxis which has been isolated from soil from a ginseng field from pocheon in korea. sphingopyxis panaciterrae scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: sphingomonadales family: sphingomonadaceae genus: sphingopyxis species: s. panaciterrae' binomial name sphingopyxis panaciterraelee et al. 2011 type strain kctc 12580, lmg 24003, gsoil 124