Ciona intestinalisMetamorphosis, BiologicalUrochordataLarvaNotochordGiardia lambliaChordataEncephalitozoonEncephalitozoonosisGene Expression Regulation, DevelopmentalChordata, NonvertebrateFetal ProteinsEmbryo, NonmammalianTailMolecular Sequence DataPhylogenyPupaEcdysoneGiardiasisHemocytesGenomeIn Situ HybridizationAnimals, Genetically ModifiedAmino Acid SequenceEvolution, MolecularEcdysteroneExpressed Sequence TagsVertebratesSequence Homology, Amino AcidOnecut Transcription FactorsRNA, Messenger, StoredTrans-SplicingT-Box Domain ProteinsZygoteDNA, ComplementaryEcdysteroidsBase SequenceElectroporationEchinodermata