DNA Restriction EnzymesPolymorphism, Restriction Fragment LengthDeoxyribonucleases, Type II Site-SpecificBase SequenceRestriction MappingDNA, BacterialDeoxyribonuclease EcoRIDeoxyribonucleases, Type I Site-SpecificDNANucleic Acid HybridizationMolecular Sequence DataPlasmidsCaloric RestrictionPolymerase Chain ReactionDeoxyribonuclease HindIIICloning, MolecularDNA, ViralElectrophoresis, Agar GelDeoxyribonuclease BamHIGenesDNA, RibosomalDNA Restriction-Modification EnzymesBlotting, SouthernEscherichia coliChromosome MappingDNA, RecombinantDeoxyribonuclease HpaIIPolymorphism, GeneticDNA FingerprintingMutationGenes, BacterialSpecies SpecificityDNA CleavageSite-Specific DNA-Methyltransferase (Adenine-Specific)Genes, ViralSequence Analysis, DNABacterial Typing TechniquesGenetic VariationGenotypeElectrophoresis, Gel, Pulsed-FieldRecombination, GeneticAmino Acid SequenceDNA, CircularRepetitive Sequences, Nucleic AcidAllelesDNA ProbesDNA PrimersRNA, RibosomalDNA, MitochondrialGenetic MarkersBacteriophagesRNA, Ribosomal, 16SPhylogenyBacteriophage lambdaNucleotide MappingAdenoviruses, HumanGenetic VectorsOlivomycinsNucleic Acid ConformationOligodeoxyribonucleotidesCosmidsTransformation, BacterialDNA, FungalDeoxyribonucleases, Type III Site-SpecificBase CompositionAdenovirus Infections, HumanPhenotypeSequence Homology, Nucleic AcidColiphagesTranscription, GeneticSubstrate SpecificitySerotypingTransformation, GeneticDNA Transposable ElementsBacterial ProteinsPedigreeFood DeprivationCytosine