CatharanthusVinca AlkaloidsSecologanin Tryptamine AlkaloidsVinblastineIndole AlkaloidsAromatic-L-Amino-Acid DecarboxylasesCarbon-Nitrogen LyasesIridoid GlucosidesVincaIridoidsStereoisomerismPlant LeavesAlkaloidsMesophyll CellsAntineoplastic Agents, PhytogenicPlant Components, AerialPhytoplasmaPlants, Medicinal