Clon ing of Deoxyoxylulose-5-phosphate Synthase Gene from Tomato and Its Color Complementa tion in E. coli Effect of EDDS Treatments on FTIR-ATR, SEM-EDXS Features and Physiological Characteristics of Coleus blumei Roots under Se Stress Clon ing of Deoxyoxylulose-5-phosphate Synthase Gene from Tomato and Its Color Complementa tion in E. coli Bioinformatics analysis of DXS gene from six tropical plants including oil palm(Elaeis guineensis Jacq.)