title: A genetic analysis by transformation of a group of uracil-requiring mutants of Diplococcus pneumoniae.
mesh_terms: D002874:Chromosome Mapping; D003470:Culture Media; D004269:DNA, Bacterial; D011995:Recombination, Genetic; D013296:Streptococcus pneumoniae; D014170:Transformation, Genetic; D014498:Uracil / Q000378:metabolism
chemical_list: D003470:Culture Media; D004269:DNA, Bacterial; D014498:Uracil