title: Segregation of genetic markers and the molecular mechanism of transformation in bacteria.
mesh_terms: D001412:Bacillus subtilis; D002467:Cell Nucleus; D002875:Chromosomes; D004269:DNA, Bacterial; D005796:Genes; D005823:Genetics; D008962:Models, Theoretical; D008967:Molecular Biology; D010406:Penicillins / Q000494:pharmacology
chemical_list: D004269:DNA, Bacterial; D010406:Penicillins