streptomyces caeruleatus streptomyces caeruleatus streptomyces caeruleatus is a bacterium species from the genus of streptomyces which has been isolated from rhizosphere soil from a tomato plant in guangzhou in china. streptomyces caeruleatus scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: streptomycetales family: streptomycetaceae genus: streptomyces species: s. caeruleatus binomial name streptomyces caeruleatuszhu et al. 2011 type strain cctcc m 208213, nrrl b-24802, gimn4.002