Oxidation and cyclization of casbene in the biosynthesis of Euphorbia factors from mature seeds of Euphorbia lathyris L. - Luo D; Callari R; Hamberger B; Wubshet SG; Nielsen MT; Andersen-Ranberg J; Hallström BM; Cozzi F; Heider H; Lindberg Møller B; Staerk D (Proceedings of the National Academy of Sciences of the United States of America, 2016)