LentivirusLentivirus InfectionsParticle SizeLentiviruses, Ovine-CaprineVisna-maedi virusInfectious Anemia Virus, EquineVisnaImmunodeficiency Virus, FelinePneumonia, Progressive Interstitial, of SheepArthritis-Encephalitis Virus, CaprineLentiviruses, PrimateGenetic VectorsTransduction, GeneticLentiviruses, BovineVirionPumaEquine Infectious AnemiaFeline Acquired Immunodeficiency SyndromeGoatsCercopithecusCell LineSimian immunodeficiency virusLionsHIV-1Molecular Sequence DataLentiviruses, FelineVirus ReplicationSheep DiseasesMicroscopy, ElectronVirus AssemblyGoat DiseasesGene Transfer TechniquesGene Products, gagLemurImmunodeficiency Virus, BovineViral Envelope ProteinsCatsSignal Recognition ParticleSheepGenetic TherapyBase SequenceGreen Fluorescent ProteinsAmino Acid SequenceCapsidHorsesRetroviridaeDNA, ViralGenes, tatNanoparticlesGene Products, polRNA, ViralGenes, polCells, CulturedAntibodies, ViralGene Products, envAerosolsVaccines, Virus-Like ParticleViral ProteinsCapsid ProteinsSubmitochondrial ParticlesGenes, envSimian Acquired Immunodeficiency SyndromeGenes, revHeLa CellsTransgenesVirus IntegrationGenome, ViralProvirusesBetaretrovirusParticulate MatterFreeze FracturingHexadimethrine BromideMicrospheresHIV-2Terminal Repeat SequencesCentrifugation, Density GradientAlpha ParticlesViral Regulatory and Accessory ProteinsMacaca mulattaLuminescent ProteinsLatexTransfectionDefective VirusesColloidsInclusion Bodies, ViralRetroviridae InfectionsAnimals, WildPolyglactin 910HEK293 CellsPhylogenyGenes, vifSilicon DioxideViral VaccinesMacrophagesAir PollutantsPolystyrenesNeutralization TestsLagomorphaVirus InternalizationHIV