Eukaryotic CellsGiardia lambliaEukaryotaEuglenozoaPhylogenyEvolution, MolecularMolecular Sequence DataProkaryotic CellsRhizariaProtozoan ProteinsGenome, ProtozoanChlorophytaDiplomonadidaRhodophytaRNA, ProtozoanCercozoaSaccharomyces cerevisiaeAmino Acid SequenceRNA, Ribosomal, 18SBase SequenceTrypanosoma brucei bruceiChrysophytaGene Transfer, HorizontalArchaeaDictyosteliumDNA, ProtozoanAlveolataGenomePhysarum polycephalumBiological EvolutionSequence AlignmentSequence Analysis, DNAFungiGenome, FungalNaegleriaSequence Homology, Amino AcidSpores, ProtozoanDNA, AlgalSymbiosisSpecies SpecificityTetrahymena thermophilaCiliophoraEncephalitozoon cuniculiAlgal ProteinsEntamoeba histolyticaModels, GeneticConserved SequencePlastidsTetrahymena pyriformisEuglena gracilisBacteriaRNA, RibosomalParamecium caudatumPlantsMacronucleusGenomicsGenome, ArchaealGiardiaFungal ProteinsSpliceosomesSaccharomyces cerevisiae ProteinsMitochondriaPhysarumParamecium tetraureliaTrophozoitesCloning, MolecularGene DuplicationChlamydomonas reinhardtiiOpen Reading FramesComputational BiologyIntronsMultigene FamilyTranscription, GeneticDinoflagellidaSchizosaccharomycesOrganellesAmoebaMutationRetroelementsCell NucleusGene Expression Regulation, FungalGenes, FungalChromosomesProtein BiosynthesisProteomeSequence Homology, Nucleic AcidGenes, ArchaealEscherichia coliCaenorhabditis elegansRNA, TransferProtein Structure, TertiaryRibosomesExpressed Sequence TagsDNAArabidopsisNucleic Acid ConformationAdaptation, BiologicalGene LibraryModels, MolecularSubstrate Specificity