title: Studies on the chemical nature of the substance inducing transformation of pneumococcal types. Inductions of transformation by a desoxyribonucleic acid fraction isolated from pneumococcus type III.
mesh_terms: D004269:DNA, Bacterial / Q000032:analysis / Q000235:genetics* / Q000266:history / Q000378:metabolism; D004798:Enzymes / Q000378:metabolism; D049673:History, 20th Century; D013296:Streptococcus pneumoniae / Q000235:genetics*; D014170:Transformation, Genetic
chemical_list: D004269:DNA, Bacterial; D004798:Enzymes