title: Further studies on the deoxyribonucleic acid helping effect during transformation.
mesh_terms: D000900:Anti-Bacterial Agents; D001976:Bromouracil; D004269:DNA, Bacterial; D004926:Escherichia coli; D005796:Genes; D005827:Genetics, Microbial; D008967:Molecular Biology; D008970:Molecular Weight; D009153:Mutagens / Q000494:pharmacology; D009573:Nitrites / Q000494:pharmacology; D011830:Radiation Effects; D013291:Streptococcus / Q000187:drug effects / Q000528:radiation effects; D013997:Time Factors; D014170:Transformation, Genetic; D014466:Ultraviolet Rays
chemical_list: D000900:Anti-Bacterial Agents; D004269:DNA, Bacterial; D009153:Mutagens; D009573:Nitrites; D001976:Bromouracil