title: On the production of deletions in the chromosome of Escherichia coli.
mesh_terms: D001426:Bacterial Proteins / Q000096:biosynthesis; D002247:Carbon Isotopes; D002869:Chromosome Aberrations; D002876:Chromosomes, Bacterial; D003090:Coliphages; D004261:DNA Replication; D004926:Escherichia coli / Q000187:drug effects; D005796:Genes; D009154:Mutation; D009876:Operon; D013936:Thymidine / Q000494:pharmacology; D014364:Tryptophan
chemical_list: D001426:Bacterial Proteins; D002247:Carbon Isotopes; D014364:Tryptophan; D013936:Thymidine