1.Molecular Cloning and Function Analysis of UDPG Glucosyltransferase Gene 2.Molecular Cloning, Sequence Analysis and Ev一、甜菊UDPG糖基转移酶基因的克隆和功能分析 二、甜菊肌动蛋白和EF1α基因的克隆、序列分析和分子进化研究