IntronsGenomeGenome, BacterialGenome, ViralGenome, PlantBase SequenceGenome, HumanRNA SplicingGenome, MitochondrialMolecular Sequence DataPhylogenyEvolution, MolecularSequence Analysis, DNAGenome, FungalExonsGenome SizeAmino Acid SequenceGenome, ArchaealSequence AlignmentGenome, ProtozoanSpliceosomesChromosome MappingGenomicsCloning, MolecularGenome, InsectOpen Reading FramesSequence Homology, Nucleic AcidRNA Splice SitesRNA PrecursorsNucleic Acid ConformationModels, GeneticGenesConserved SequenceSpecies SpecificityGenome, ChloroplastGenome, PlastidTranscription, GeneticAlternative SplicingComputational BiologyBase CompositionGenetic VariationMultigene FamilyBiological EvolutionDNARepetitive Sequences, Nucleic AcidSequence Homology, Amino AcidRNA, MessengerGene OrderMutationDNA Transposable ElementsRestriction MappingDNA, MitochondrialRetroelementsPolymerase Chain ReactionGene DuplicationGenes, PlantSyntenyGenome, HelminthRecombination, GeneticPseudogenesDatabases, GeneticDatabases, Nucleic AcidDNA, ViralHuman Genome ProjectDNA, PlantDNA, ComplementaryNucleic Acid HybridizationBlotting, SouthernGenomic LibraryExpressed Sequence TagsDNA, IntergenicGene Transfer, HorizontalSoftwareRNA, Small NuclearDNA Restriction EnzymesGenes, ViralGenes, FungalRNA, ViralChromosomes, Artificial, BacterialDNA PrimersRNA, CatalyticRNA, FungalCodonPlasmidsMolecular Sequence AnnotationPromoter Regions, GeneticChlorophytaVertebratesRNAEuglena gracilisDNA, ChloroplastDNA, FungalGene LibraryDNA, BacterialMutagenesis, InsertionalCryptophytaUntranslated RegionsOryza sativaRNA, RibosomalTrans-Splicing