MicroRNAsGene Expression RegulationGene Expression ProfilingOligonucleotide Array Sequence AnalysisGene Expression Regulation, PlantGene Expression Regulation, DevelopmentalTranscription, GeneticPromoter Regions, GeneticRNA, MessengerBase SequenceGene ExpressionTranscription FactorsComputational BiologyMolecular Sequence DataRNA, UntranslatedGenomeSequence Analysis, RNAGene Expression Regulation, NeoplasticBinding Sites3' Untranslated RegionsRibonuclease IIIChromatinEvolution, MolecularConserved SequenceModels, GeneticGene Expression Regulation, ArchaealAlgorithmsGene Expression Regulation, FungalNucleic Acid ConformationReverse Transcriptase Polymerase Chain ReactionCell Line, TumorRNA, PlantMultigene FamilyDatabases, Nucleic AcidTranscriptomeRNA Processing, Post-TranscriptionalRNA StabilityGene Regulatory NetworksDown-RegulationSignal TransductionRNA PrecursorsCell LineSequence Homology, Nucleic AcidUp-RegulationGene Expression Regulation, EnzymologicDNA-Binding ProteinsGene Expression Regulation, ViralEpigenesis, GeneticCells, CulturedArabidopsisGene Expression Regulation, Bacterial5' Untranslated RegionsDNA MethylationAlternative SplicingGene Expression Regulation, LeukemicModels, BiologicalHistonesCluster AnalysisSoftwareSequence Analysis, DNAMicroarray AnalysisAmino Acid SequenceReal-Time Polymerase Chain ReactionGenes, ReporterRNA InterferenceCell DifferentiationArgonaute ProteinsMutationTransfectionBlotting, NorthernGene SilencingIn Situ HybridizationPhenotypeDNA PrimersRNANuclear ProteinsMice, Inbred C57BLPolymerase Chain ReactionRepressor ProteinsLuciferases