title: RNase H-defective mutants of Escherichia coli.
mesh_terms: D004256:DNA Polymerase I / Q000378:metabolism; D004261:DNA Replication; D004269:DNA, Bacterial / Q000096:biosynthesis; D004722:Endoribonucleases / Q000235:genetics*; D004926:Escherichia coli / Q000201:enzymology* / Q000235:genetics / Q000254:growth & development; D009154:Mutation; D009876:Operon; D010957:Plasmids; D011938:Rec A Recombinases / Q000378:metabolism; D016914:Ribonuclease H
chemical_list: D004269:DNA, Bacterial; D011938:Rec A Recombinases; D004256:DNA Polymerase I; D004722:Endoribonucleases; D016914:Ribonuclease H