microbacterium radiodurans microbacterium radiodurans microbacterium radiodurans is a gram-positive, heterotrophic and strictly aerobic bacterium from the genus microbacterium which has been isolated from the gobi desert in china. microbacterium radiodurans is resistant against uv radiation. microbacterium radiodurans scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: micrococcales family: microbacteriaceae genus: microbacterium species: m. radiodurans binomial name microbacterium radioduranszhang et al. 2010 type strain cctcc m208212gimn1.002nrrl b-24799