Cell FusionEmbryo, MammalianMembrane FusionChick EmbryoEmbryo, NonmammalianRecombinant Fusion ProteinsViral Fusion ProteinsGiant CellsCulture TechniquesCell Transformation, NeoplasticCell LineEmbryo ImplantationCricetinaeMesocricetusBlastocystMolecular Sequence DataSpinal FusionGene FusionEmbryonic DevelopmentCells, CulturedAmino Acid SequenceMutationBase SequenceParainfluenza Virus 1, HumanHybrid CellsGene Expression Regulation, DevelopmentalCell Transformation, ViralOncogene Proteins, FusionBenzopyrenesNewcastle disease virusCytopathogenic Effect, ViralViral Envelope ProteinsPregnancyEmbryo LossBenz(a)AnthracenesEmbryonic and Fetal DevelopmentFertilization in VitroRabies VaccinesVirus ReplicationZygoteCell DifferentiationViral ProteinsBlastomeresCleavage Stage, OvumAvian Sarcoma VirusesTime FactorsCytoplasmOncogenic VirusesParainfluenza Virus 2, HumanDNAPhenotypeCell MembraneBenzo(a)pyreneMorphogenesisCell NucleusCulture MediaCloning, MolecularFluorescent Antibody TechniqueCercopithecus aethiopsTritiumClone CellsVirus CultivationCell DivisionLeukemia Virus, MurineAntigens, CD98GlycoproteinsTransfectionMembrane ProteinsRNA, MessengerViral Plaque AssayUridineVirus InternalizationMethylcholanthreneMicroscopy, ElectronTranscription FactorsGreen Fluorescent ProteinsVero CellsEmbryo DispositionNeoplasms, ExperimentalMorulaArbovirusesTrophoblastsZebrafishRabiesNuclear Transfer TechniquesTranscription, GeneticOocytesHN ProteinFibroblastsOncogene FusionPolyomavirusKineticsGene Products, envRed CrossSeedsGene ExpressionHIV Fusion InhibitorsGastrulaCryopreservationAvian leukosis virus