DNA Restriction EnzymesPolymorphism, Restriction Fragment LengthDeoxyribonucleases, Type II Site-SpecificDeoxyribonucleases, Type I Site-SpecificDNA, BacterialBase SequenceRestriction MappingDeoxyribonuclease EcoRIDNANucleic Acid HybridizationDNA Restriction-Modification EnzymesPlasmidsDNA, ViralElectrophoresis, Agar GelDeoxyribonuclease BamHIPolymerase Chain ReactionDeoxyribonuclease HindIIIMolecular Sequence DataDNA, RibosomalCaloric RestrictionDNA CleavageCloning, MolecularSite-Specific DNA-Methyltransferase (Adenine-Specific)DNA FingerprintingBlotting, SouthernGenesEscherichia coliBacterial Typing TechniquesDNA, RecombinantSpecies SpecificityChromosome MappingElectrophoresis, Gel, Pulsed-FieldOlivomycinsPolymorphism, GeneticRNA, Ribosomal, 16SDeoxyribonuclease HpaIISequence Analysis, DNAGenes, ViralGenes, BacterialAdenovirus Infections, HumanCrk-Associated Substrate ProteinDNA, CircularMutationGenotypeBacteriophagesDeoxyribonucleases, Type III Site-SpecificRNA, RibosomalGenetic VariationRepetitive Sequences, Nucleic AcidSerotypingDNA Probes