title: The use of exocellular nuclease-negative mutants for the study of the plasmid DNA content of Serratia marcescens.
mesh_terms: D001430:Bacteriocins / Q000096:biosynthesis; D004269:DNA, Bacterial / Q000032:analysis*; D003851:Deoxyribonucleases; D009154:Mutation; D010710:Phosphates; D012706:Serratia marcescens / Q000201:enzymology*
chemical_list: D001430:Bacteriocins; D004269:DNA, Bacterial; D010710:Phosphates; D003851:Deoxyribonucleases