streptomyces humidus streptomyces humidus streptomyces humidus is a bacterium species from the genus of streptomyces which was isolated from soil in japan. streptomyces humidus produces cobalamine, dihydrostreptomycin and humidin. streptomyces humidus scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: streptomycetales family: streptomycetaceae genus: streptomyces species: s. humidus binomial name streptomyces humidusnakazawa and shibata 1956 type strain 23572, atcc 12760, atcc 23923, bcrc 13707, cbs 907.68, ccrc 13707, cgmcc 4.1910, dsm 40263, ifo 12877, ifo 3520, isp 5263, jcm 4386, kcc s-0386, nbrc 12877, nrrl b-3172, nrrl-isp 5263, ria 1186, vkm ac-1703