title: The study of variability and strain selection in Streptomyces atroolivaceus. I. UV light and nitrous acid as effective agents in the improvement of mithramycin production.
mesh_terms: D001412:Bacillus subtilis; D001681:Biological Assay; D014644:Genetic Variation; D009153:Mutagens; D009573:Nitrites / Q000494:pharmacology*; D009604:Nitrosoguanidines; D009608:Nitrous Acid / Q000494:pharmacology*; D008926:Plicamycin / Q000032:analysis / Q000096:biosynthesis*; D011831:Radiation Genetics; D013302:Streptomyces / Q000187:drug effects / Q000378:metabolism* / Q000528:radiation effects; D014466:Ultraviolet Rays
chemical_list: D009153:Mutagens; D009573:Nitrites; D009604:Nitrosoguanidines; D008926:Plicamycin; D009608:Nitrous Acid