title: Intensive nuclear selection in tryptophan limited cultures of Escherichia coli B-r-l, trp.
mesh_terms: D000166:Acridines; D001345:Autoradiography; D002455:Cell Division; D002467:Cell Nucleus; D002478:Cells, Cultured; D004261:DNA Replication; D004269:DNA, Bacterial / Q000032:analysis; D004926:Escherichia coli / Q000166:cytology / Q000254:growth & development*; D007700:Kinetics; D008027:Light; D009154:Mutation; D012641:Selection, Genetic; D014364:Tryptophan
chemical_list: D000166:Acridines; D004269:DNA, Bacterial; D014364:Tryptophan