title: A mutant of Escherichia coli K12 deficient in the 5'-3' exonucleolytic activity of DNA polymerase I. I. General characterization.
mesh_terms: D000166:Acridines; D000476:Alkanesulfonates; D003090:Coliphages; D004254:DNA Nucleotidyltransferases / Q000378:metabolism*; D009154:Mutation; D011827:Radiation; D013941:Thymine; D014466:Ultraviolet Rays
chemical_list: D000166:Acridines; D000476:Alkanesulfonates; D004254:DNA Nucleotidyltransferases; D013941:Thymine