海量图书期刊资源，随时随地畅享阅读乐趣
Molecular Cloning and Functional Characterization of Three Distinct N-Methyltransferases Involved in the Caffeine Biosynthetic Pathway in Coffee PlantsHirotaka Uefuji, Shinjiro Ogita, Yube Yamaguchi, Nozomu Koizumi and Hiroshi Sano · Plant Physiology · 2003