hydrogenophaga soli hydrogenophaga soli hydrogenophaga soli is a gram-negative, rod-shaped, strictly aerobic and motile bacterium from the genus of hydrogenophaga which has been isolated from soil from a rice field from goyang in korea. hydrogenophaga soli scientific classification domain: bacteria phylum: pseudomonadota class: betaproteobacteria order: burkholderiales family: comamonadaceae genus: hydrogenophaga species: h. soli binomial name hydrogenophaga soliyang et al. 2017 type strain jcm 31711, kctc 52520, strain s10