CytokininsZeatinPlant ShootsPlant Growth RegulatorsArabidopsis ProteinsGene Expression Regulation, PlantArabidopsisPlant RootsKinetinIsopentenyladenosinePlants, Genetically ModifiedPlant LeavesIndoleacetic AcidsSignal TransductionMeristemSeedlingAlkyl and Aryl TransferasesPlant ProteinsAdenineXylemGenes, PlantNaphthaleneacetic AcidsEthylenesTobaccoHelleborusPlant TumorsAbscisic AcidPlant StemsRNA, PlantZea maysOxidoreductasesHypocotylSeeds