Physical study of prophage excision and curing of lambda prophage from lysogenic Escherichia coli.

Centrifugation, Density Gradient Coliphages/metabolism Conjugation, Genetic DNA Replication DNA, Bacterial/metabolism DNA, Circular/analysis Drug Stability Escherichia coli/metabolism Genes Genotype Hot Temperature Kinetics Lysogeny Models, Biological Mutation Sex Time Factors Tritium

DNA, Bacterial DNA, Circular Tritium