microbacterium rhizomatis microbacterium rhizomatis microbacterium rhizomatis is a gram-positive and rod-shaped bacterium from the genus microbacterium which has been isolated from the rhizome of a ginseng root from the hwacheon mountain in korea. microbacterium rhizomatis produces β-glucosidase. microbacterium rhizomatis scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: micrococcales family: microbacteriaceae genus: microbacterium species: m. rhizomatis binomial name microbacterium rhizomatishoang et al. 2015 type strain jcm 30598kctc 39529dcy100dcy102