Evolution, MolecularMolecular Sequence DataPhylogenyAmino Acid SequenceDirected Molecular EvolutionBase SequenceMutationSequence AlignmentSignal TransductionSelection, GeneticRNA, MessengerSequence Analysis, DNASequence Homology, Amino AcidModels, GeneticSpecies SpecificityCells, CulturedProtein Structure, TertiaryModels, BiologicalGenetic VariationMultigene FamilyCell LineGene Expression RegulationTranscription FactorsProtein BindingReverse Transcriptase Polymerase Chain ReactionGene Expression Regulation, DevelopmentalCultural EvolutionMicroRNAsConserved SequenceCloning, MolecularTime FactorsGene Expression ProfilingMice, Inbred C57BLPhenotypeBinding SitesGene ExpressionDNA-Binding ProteinsMice, KnockoutDNA PrimersModels, MolecularAdaptation, BiologicalProteinsGene Expression Regulation, PlantClonal EvolutionTranscription, GeneticBlotting, WesternMembrane ProteinsDNA, ComplementaryBacterial ProteinsGenomePlant ProteinsImmunohistochemistryCell DifferentiationGenes, PlantCell Line, TumorPromoter Regions, GeneticApoptosisArabidopsisIn Situ HybridizationPhosphorylationCell ProliferationAdaptation, PhysiologicalComputational BiologyTransfectionUp-RegulationPolymerase Chain ReactionMammalsPrimatesDNACarrier ProteinsRecombinant ProteinsKineticsDrosophilaFossilsSequence Homology, Nucleic AcidBrainRats, Sprague-DawleyNuclear ProteinsCell MovementRNA InterferenceEscherichia coliNeuronsAmino Acid SubstitutionGene DeletionOryza sativaPlantsRecombinant Fusion ProteinsMutagenesis, Site-DirectedGenome, PlantRNA, Small InterferingAmino Acid MotifsHomeodomain ProteinsGenomicsOligonucleotide Array Sequence AnalysisMice, TransgenicProtein IsoformsComputer SimulationPlay and PlaythingsDisease Models, AnimalDown-Regulation