IntronsRNA SplicingBase SequenceMolecular Sequence DataExonsAmino Acid SequenceSpliceosomesCloning, MolecularRNA PrecursorsRNA Splice SitesTranscription, GeneticEvolution, MolecularAlternative SplicingGenesNucleic Acid ConformationPhylogenyRNA, MessengerGene Expression RegulationSequence AlignmentBlotting, NorthernDNA, ComplementaryReverse Transcriptase Polymerase Chain ReactionDNAProtein BiosynthesisSequence Homology, Nucleic AcidPolymerase Chain ReactionRNA StabilitySequence Homology, Amino AcidSequence Analysis, DNARNA, FungalRestriction MappingConserved SequenceRNARNA-Binding ProteinsRNA, CatalyticRNA, Small NuclearDNA PrimersOpen Reading FramesPromoter Regions, GeneticNucleic Acid Hybridization3' Untranslated RegionsModels, GeneticMutationEuglena gracilisChromosome MappingBlotting, SouthernGenes, FungalCell LineTrans-SplicingSpecies SpecificityIn Situ HybridizationBiological EvolutionPoly ACells, Cultured5' Untranslated RegionsGenomic LibraryGenomeGene Expression Regulation, EnzymologicBase CompositionCell NucleusRNA, RibosomalDNA Restriction EnzymesGenes, PlantSaccharomyces cerevisiaePlasmidsCodonChlorophytaRibonucleoproteins, Small NuclearNucleic Acid PrecursorsUntranslated RegionsDNA, FungalMultigene FamilyCryptophytaRibonucleoproteinsRetroelementsAscomycotaTranscription FactorsRNA, PlantPseudogenesRibonucleoprotein, U2 Small NuclearRNA, Ribosomal, Self-SplicingRepetitive Sequences, Nucleic AcidTransfectionTetrahymenaHeLa CellsLiverNonsense Mediated mRNA DecayRibosomal ProteinsPlantsNuclear ProteinsOrgan SpecificityRegulatory Sequences, Nucleic AcidDNA, IntergenicDNA, MitochondrialVertebratesFishes, PoisonousDNA Transposable ElementsChloroplastsEndonucleasesDrosophila melanogaster