title: Endonuclease-I-deficient and ribonuclease I-deficient Escherichia coli mutants.
mesh_terms: D000818:Animals; D001431:Bacteriological Techniques; D002467:Cell Nucleus / Q000201:enzymology; D003433:Crosses, Genetic; D003470:Culture Media; D004247:DNA / Q000032:analysis; D003851:Deoxyribonucleases / Q000032:analysis; D004926:Escherichia coli / Q000187:drug effects / Q000201:enzymology*; D005399:Fishes; D005827:Genetics, Microbial; D008274:Magnesium / Q000494:pharmacology; D008297:Male; D008722:Methods; D009154:Mutation; D012260:Ribonucleases / Q000032:analysis*; D013094:Spermatozoa / Q000032:analysis; D014050:Toluene / Q000494:pharmacology; D014783:Viscosity
chemical_list: D003470:Culture Media; D014050:Toluene; D004247:DNA; D003851:Deoxyribonucleases; D012260:Ribonucleases; D008274:Magnesium