Studies on the Chemical Constituents of Rosa laev igata Michx. Cloning and Functional Analysis of Peanut AhDGAT2a Promoter? Genome-wide Analysis of DGAT Gene Family in Maize Cloning of Tung Tree DGAT2 Gene and Construction of RNAi Binary Expression Vector with Convergent Promoters The exploration on national green budget Identification and Sequence Analysis of DGAT2s in Four Plants under the Scenario of Gene Family Cloning of DGAT1 Gene from Perilla frutescens and Construction of Scenedesmus quadricanda Expression Vector Specific Expression of BnDGAT1 Gene in Brassica napus