streptomyces niveiscabiei streptomyces niveiscabiei streptomyces niveiscabiei is a streptomycete bacterium species known to cause potato common scab disease in korea. its type strain is s78t (=lmg 21392t =kacc 20254t). it has white, smooth, cylindrical spores that are borne in simple rectus flexuous spore-chains. streptomyces niveiscabiei scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: streptomycetales family: streptomycetaceae genus: streptomyces species: s. niveiscabiei binomial name streptomyces niveiscabieipark et al. 2003