title: The degradation of twisted circular lambda DNA by phage lamba mutants.
mesh_terms: D001435:Bacteriophages / Q000201:enzymology*; D004279:DNA, Viral / Q000037:antagonists & inhibitors*; D003851:Deoxyribonucleases; D004926:Escherichia coli; D009154:Mutation; D013941:Thymine; D014316:Tritium
chemical_list: D004279:DNA, Viral; D014316:Tritium; D003851:Deoxyribonucleases; D013941:Thymine