Cloning of Rhamnosyl Transferase Gene and Construction of Its RNAi Vector in Potato CONSTRUCTION OF RNAi EXPRESSION VECTOR AND TRANSFORMATION OF OSHSFA7 GENE IN Oryza sativa L. RACE Clone and RNAi Transformation of Flax 4CL Gene Cloning of Granule-Bound Starch Synthase Gene and Construction of Its RNAi Vector in Potato Tuber