microbacterium aquimaris microbacterium aquimaris microbacterium aquimaris is a gram-positive, non-spore-forming and non-motile bacterium from the genus microbacterium which has been isolated from seawater from jeju in korea. the major menaquinones of microbacterium aquimaris are mk-11, mk-12 and mk-10. microbacterium aquimaris scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: micrococcales family: microbacteriaceae genus: microbacterium species: m. aquimaris binomial name microbacterium aquimariskim et al. 2008 type strain dsm 19713jcm 15625js54-2kctc 19124