InvertebratesProtozoan InfectionsProtozoan ProteinsEukaryotaDNA, ProtozoanCiliophoraGenes, ProtozoanRNA, ProtozoanVertebratesGenome, ProtozoanProtozoan Infections, AnimalMolecular Sequence DataEntamoeba histolyticaPhylogenyAmino Acid SequenceGiardia lambliaMolluscaTrypanosoma cruziApicomplexaEchinodermataLeishmaniaTrypanosomaCrustaceaUrochordataToxoplasmaAlveolataChordata, NonvertebrateAquatic OrganismsTetrahymena pyriformisBivalviaAntiprotozoal AgentsTrypanosoma brucei bruceiKinetoplastidaPolychaetaIntestinal Diseases, ParasiticParasitesTrypanosomatinaAntigens, ProtozoanSequence Homology, Amino AcidHost-Parasite InteractionsAnnelidaEvolution, MolecularTrichomonasArthropodsCnidariaBase SequenceSpecies SpecificityBiological EvolutionSequence AlignmentHartmannellaCrithidiaCiona intestinalisLeishmania majorRumenPhotoreceptor Cells, InvertebrateProtozoan VaccinesEntamoebaTrichomonas vaginalisGastropodaGanglia, InvertebrateEcosystemHemocytesOligochaetaInsectsMarine BiologySpores, ProtozoanSea CucumbersGiardiasisLarvaDrosophila melanogasterLife Cycle StagesLymnaeaAcanthamoebaLeishmania donovaniAmphipodaCloning, MolecularCoccidiosisFood ChainInvertebrate HormonesCryptosporidiumAmoebozoaCaenorhabditis elegansChordataAntibodies, ProtozoanHelminthsCryptosporidium parvumRNA, Ribosomal, 18SBlastocystis hominisPoriferaBiodiversityCephalopodaDrosophila ProteinsBrachyuraDrosophilaSarcocystosisLeishmania mexicanaSequence Analysis, DNALegionella pneumophilaFishesTheileria parva