streptomyces yerevanensis streptomyces yerevanensis streptomyces yerevanensis is a bacterium species from the genus of streptomyces which has been isolated from soil. streptomyces yerevanensis produces violacin. streptomyces yerevanensis scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: streptomycetales family: streptomycetaceae genus: streptomyces species: s. yerevanensis binomial name streptomyces yerevanensisgoodfellow et al. 1986 synonyms microellobosporia violacea macrospora violaceus