S-06 Recent Research Developments in Chemical Biology of Medicinal Plants S06-1 Flavonoid-specific prenyltransferase genes of plants and its utilization S06-2 Adaptive coevolution of camptothecin production and self resistance in plants S06-3 Bioorganic studies on triterpene biosynthesis S06-4 Structure-based engineering of plant type III polyketide synthases S06-5 Chemical and biological studies on cannabinoid biosynthesis S06-6 Synthetic biology in benzylisoquinoline alkaloid biosynthesis