microbacterium shaanxiense microbacterium shaanxiense microbacterium shaanxiense is a gram-positive and non-motile bacterium from the genus microbacterium which has been isolated from the surface of a root nodule from a soybean (glycine max). microbacterium shaanxiense scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: micrococcales family: microbacteriaceae genus: microbacterium species: m. shaanxiense binomial name microbacterium shaanxiensepeng et al. 2015 type strain dsm 28301jcm 30164ccnwsp60