Receptors, Invertebrate PeptideInvertebratesVertebratesPeptidesMolecular Sequence DataAmino Acid SequenceEvolution, MolecularZebrafishFishesSpecies SpecificityPhylogenyBase SequenceSequence Homology, Amino AcidBiological EvolutionSequence AlignmentGene Expression Regulation, DevelopmentalReptilesConserved SequenceTakifuguEmbryo, NonmammalianChordata, NonvertebratePeptide FragmentsAmphibiansCloning, MolecularZebrafish ProteinsChickensUrochordataMolluscaPeptide LibrarySharksMammalsEchinodermataDNA, ComplementaryAntimicrobial Cationic PeptidesGenomeLizardsCrustaceaBirdsBody PatterningIn Situ HybridizationOryziasCiona intestinalisDrosophilaAquatic OrganismsFish ProteinsPetromyzonPolychaetaAnimals, Genetically ModifiedGene DuplicationArthropodsAnnelidaPeptides, CyclicTetraodontiformesBivalviaXenopus laevisChordataCnidariaEcosystemSkates (Fish)Drosophila melanogasterProtein BindingXenopusCyprinodontiformesDrosophila ProteinsLarvaSyntenyMultigene FamilyModels, BiologicalProtein Structure, TertiaryInsectsPhotoreceptor Cells, InvertebrateXenopus ProteinsSequence Homology, Nucleic AcidOvotesticular Disorders of Sex DevelopmentRNA, MessengerOligopeptidesAnuraSequence Analysis, DNAGanglia, InvertebrateTranscription FactorsHomeodomain ProteinsSignal TransductionMutationBinding SitesGastropodaInvertebrate HormonesPeptide MappingCaenorhabditis elegansChick EmbryoTurtlesHemocytesPerciformesCarpsLymnaeaGenomicsMarine BiologySea CucumbersDNA PrimersCell LineMembrane Proteins