Srivastava, B I Studies on methylation of nucleic acids in crown gall tumor tissue cultures of tobacco. [electronic resource] - Life sciences. Pt. 2: Biochemistry, general and molecular biology Nov 1970 - 1315-20 p. digital Publication Type: Journal Article ISSN: 0300-9637 Standard No.: 10.1016/0024-3205(70)90131-1 doi Subjects--Topical Terms: Carbon IsotopesCentrifugation, Density GradientCulture TechniquesDNA, Neoplasm--metabolismMethylationNucleic Acids--metabolismPlant Tumors--metabolismPlants, ToxicRNA, Neoplasm--metabolismRNA, Transfer--metabolismRhizobiumNicotiana