microbacterium murale microbacterium murale microbacterium murale is a gram-positive bacterium from the genus microbacterium which has been isolated from an indoor wall in giessen in germany. microbacterium murale scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: micrococcales family: microbacteriaceae genus: microbacterium species: m. murale binomial name microbacterium muralekämpfer et al. 2012 type strain 01-gi-001ccm 7640dsm 22178