streptomyces gramineus streptomyces gramineus streptomyces gramineus is a bacterium species from the genus of streptomyces which has been isolated from the rhizosphere soil of the plant sasa borealis. streptomyces gramineus scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: streptomycetales family: streptomycetaceae genus: streptomyces species: s. gramineus binomial name streptomyces gramineuslee et al. 2012 type strain kacc 15079, nbrc 107863, jr-43