rubellimicrobium roseum rubellimicrobium roseum rubellimicrobium roseum is a gram-negative, non-spore-forming and non-motile bacterium from the genus of rubellimicrobium which has been isolated from forest soil from the yunnan province in china. rubellimicrobium roseum scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: rhodobacterales family: rhodobacteraceae genus: rubellimicrobium species: r. roseum binomial name rubellimicrobium roseumcao et al. 2013 type strain cctcc aa 208029, dsm 23580, kctc 23202