2.4.1.120 binary plasmid constructs for transformation of Arabidopsis are introduced into Agrobacterium tumefaciens by electroporation, plants are transformed by the floral dip method, for selection of transgenic plants T1 seeds are surface-sterilized in 70% ethanol for 2 min followed by a mixture of Tween 20 and sodium hypochloride for 10 min, seeds are rinsed thoroughly with sterile water and after swelling over night at 4°C plated on modified MS medium supplemented with carbenicillin and kanamycin, after scoring the development of antibiotic damage symptoms for 14 days post treatment, kanamycin resistant plants are transferred; binary plasmid constructs for transformation of Arabidopsis are introduced into Agrobacterium tumefaciens by electroporation, plants are transformed by the floral dip method, for selection of transgenic plants T1 seeds are surface-sterilized in 70% ethanol for 2 min followed by a mixture of Tween 20 and sodium hypochloride for 10 min, seeds are rinsed thoroughly with sterile water and after swelling over night at 4°C plated on modified MS medium supplemented with carbenicillin and kanamycin, after scoring the development of antibiotic damage symptoms for 14 days post treatment, kanamycin resistant plants are transferred; binary plasmid constructs for transformation of Arabidopsis are introduced into Agrobacterium tumefaciens by electroporation, plants are transformed by the floral dip method, for selection of transgenic plants T1 seeds are surface-sterilized in 70% ethanol for 2 min followed by a mixture of Tween 20 and sodium hypochloride for 10 min, seeds are rinsed thoroughly with sterile water and after swelling over night at 4°C plated on modified MS medium supplemented with carbenicillin and kanamycin, after scoring the development of antibiotic damage symptoms for 14 days post treatment, kanamycin resistant plants are transferred; binary plasmid constructs for transformation of Arabidopsis are introduced into Agrobacterium tumefaciens by electroporation, plants are transformed by the floral dip method, for selection of transgenic plants T1 seeds are surface-sterilized in 70% ethanol for 2 min followed by a mixture of Tween 20 and sodium hypochloride for 10 min, seeds are rinsed thoroughly with sterile water and after swelling over night at 4°C plated on modified MS medium supplemented with carbenicillin and kanamycin, after scoring the development of antibiotic damage symptoms for 14 days post treatment, kanamycin resistant plants are transferred 2.4.1.120 construction of a cDNA library, DNA and amino acid sequence determination and analysis, functional expression in Escherichia coli strain M15 as soluble protein 2.4.1.120 gene DcUSAGT1, sequence comparisons, the expression levels of DcUSAGT1 gene in the purple carrot taproots may be higher than those in non-purple carrot taproots, quantitative real-time PCR expression analysis, recombinant expression of His-tagged DcUSAGT1 in Escherichia coli strain BL21(DE3) 2.4.1.120 gene SGT, recombinant expression of full-length enzyme in Brassica juncea via Agrobacterium tumefaciens mediated transformation 2.4.1.120 gene UGT84A9, semi-quantitative RT-PCR, enzyme expression analysis 2.4.1.120 genomic organization analysis, expression of C-terminally His-tagged enzyme in Escherichia coli strain BL21(DE3) 2.4.1.120 heterologous expression in Escherichia coli strain BL21 2.4.1.120 stilbene synthase gene isolated from Vitis vinifera L. is cloned under control of the seed-specific napin promotor and introduced into Brassica napus L. by Agrobacterium-mediated co-transformation together with a ds-RNA-interference construct deduced from the sequence of UDP-glucose:sinapate glucosyltransferase (BnSGT1)