title: Pigment variations in photochromogenic mycobacteria with special reference to M. vaccae.
mesh_terms: D003470:Culture Media; D014644:Genetic Variation; D008027:Light; D008967:Molecular Biology; D009154:Mutation; D009161:Mycobacterium / Q000254:growth & development / Q000302:isolation & purification / Q000378:metabolism; D010858:Pigmentation; D010860:Pigments, Biological / Q000096:biosynthesis
chemical_list: D003470:Culture Media; D010860:Pigments, Biological