Homospermidine synthase, the first pathway-specific enzyme in pyrrolizidine alkaloid biosynthesis

alcaloides alkaloids biochemistry biochimie biosynthese biosynthesis cultivo in vitro culture in vitro drug plants enzimas enzyme enzymes in vitro culture medicinal plants plantas medicinales plante medicinale plante toxique poisonous plants poliaminas polyamine polyamines senecio senecio vulgaris