Timko J, Matusková M, Zelinková E, Zelinka J
Folia Microbiol (Praha). 1978;23(3):243-5. doi: 10.1007/BF02876586.
Two strains of Streptomyces aureofaciens were found to contain restriction endodeoxynucleases; S. aureofaciens IKA 18/4 contains Sau I which splits lambda DNA into three fragments, S. aureofaciens IKA 22201 Sau Ii which splits lambda DNA into more than 15 fragments.