Polymorphism, Restriction Fragment LengthDNA Restriction EnzymesBase SequenceDeoxyribonucleases, Type II Site-SpecificDNA, BacterialMolecular Sequence DataPolymerase Chain ReactionPeptide FragmentsCaloric RestrictionNucleic Acid HybridizationDNA FingerprintingCloning, MolecularBlotting, SouthernDNAPolymorphism, GeneticGenotypeChromosome MappingDeoxyribonuclease EcoRIRestriction MappingPlasmidsDNA, RibosomalBacterial Typing TechniquesDeoxyribonuclease HindIIISequence Analysis, DNAGenes, BacterialAmino Acid SequenceGenesDNA ProbesDNA Transposable ElementsDNA, ViralAllelesRNA, Ribosomal, 16SPhylogenyEscherichia coliSpecies SpecificityElectrophoresis, Agar GelGenetic VariationDeoxyribonuclease BamHIGenetic LinkageDeoxyribonuclease HpaIIRepetitive Sequences, Nucleic AcidGenetic MarkersImmunoglobulin Fab FragmentsDNA, RecombinantDNA PrimersMutationSequence Homology, Nucleic AcidElectrophoresis, Gel, Pulsed-FieldMolecular EpidemiologyGene FrequencyDNA, FungalImmunoglobulin FragmentsBacteriaDNA, Ribosomal SpacerGenes, ViralRNA, RibosomalMolecular WeightBacterial ProteinsRNA, BacterialCosmidsTranscription, GeneticMycobacterium tuberculosisSerotypingSoil MicrobiologyAmplified Fragment Length Polymorphism AnalysisRecombination, GeneticChromosome DeletionPedigreeFood DeprivationElectrophoresis, Polyacrylamide GelPhenotypeCell LineBacteriophage lambdaMinisatellite RepeatsCattleFetal Growth RetardationRNA, MessengerHeterozygote DetectionCluster AnalysisBinding SitesNucleic Acid ConformationGenes, rRNADNA, MitochondrialOligonucleotide ProbesOperonHeterozygoteMultigene FamilyEcosystemSequence AlignmentBacteriophagesBase CompositionDNA, CircularOligonucleotidesDisease OutbreaksRNA, Ribosomal, 23SSequence Homology, Amino AcidRandom Amplified Polymorphic DNA TechniqueOligodeoxyribonucleotidesHaplotypesExons