Nucleic Acid HybridizationDNA, ViralRNA, ViralBase SequenceDNADNA ProbesNucleic Acid DenaturationIn Situ HybridizationRetroviridaeIn Situ Hybridization, FluorescenceOncogenic VirusesDNA, BacterialTritiumGammaretrovirusRNA-Directed DNA PolymeraseDNA Restriction EnzymesNucleic AcidsGenes, ViralOligonucleotide ProbesCloning, MolecularPeptide Nucleic AcidsSpecies SpecificityBiotinRNA, BacterialMolecular Sequence DataHybridization, GeneticMethodsIndicators and ReagentsCell LinePolymerase Chain ReactionRNA, MessengerRNAFluorescent DyesRauscher VirusRNA VirusesAvian leukosis virusAntigens, ViralGenesMicropore FiltersMammary Tumor Virus, MouseNucleic Acid ConformationHybrid CellsTranscription, GeneticLeukemia, ExperimentalNucleic Acid ProbesHaplorhiniGlobinsLeukemia Virus, MurineComparative Genomic HybridizationNucleic Acid Amplification TechniquesEscherichia coliMolecular WeightRNA ProbesPlasmidsSensitivity and SpecificityCell Transformation, ViralLiverCentrifugation, Density GradientSequence Analysis, DNAViral ProteinsAmino Acid SequenceOligonucleotidesVirus ReplicationRNA, Ribosomal, 16SPhylogenyBlotting, SouthernTemperatureDNA, RibosomalHerpesvirus 4, HumanKineticsOligonucleotide Array Sequence AnalysisHot TemperatureDigoxigeninChromosome MappingChromosome AberrationsBlotting, NorthernSequence Homology, Nucleic AcidDNA, ComplementaryGene AmplificationGene ExpressionDNA PrimersImmunohistochemistryMolecular Probe Techniques