Indoleacetic AcidsPlant Growth RegulatorsPhthalimidesPlant RootsArabidopsisGravitropismArabidopsis ProteinsNaphthaleneacetic AcidsGene Expression Regulation, PlantMeristemCytokininsHypocotylPlant ShootsSeedling2,4-Dichlorophenoxyacetic AcidEthylenesPlants, Genetically ModifiedPlant ProteinsGenes, PlantCotyledonTriiodobenzoic AcidsBiological TransportPhototropismPlant LeavesTryptophan TransaminaseMembrane Transport ProteinsF-Box ProteinsPlant StemsMutationPlant Vascular Bundle