roseomonas soli roseomonas soli roseomonas soli is a species of gram negative, strictly aerobic, coccobacilli-shaped, white-colored bacterium. it was first isolated from rhizosphere soil cultivated with chinese cabbage brassica rapa in namyangju, south korea, and the species was first proposed in 2014. the species name is derived from latin soli (of soil). roseomonas soli scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: rhodospirillales family: acetobacteraceae genus: roseomonas species: r. soli binomial name roseomonas solikim 2014 the optimum growth temperature for r. soli is 30 °c, but can grow in the 15-40 °c range. the optimum ph is 6.5 and can grow at ph 5.0-8.5.