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An efficient and reliable transformation system for a very important medicinal plant Papaver bracteatum was developed through optimization of several factors that affect the rate of effective A. rhizogenes-mediated transformation and growth rate of hairy root. Five bacterial strains, A4, ATCC15834, LBA9402, MSU440 and A13, and three explants types,(More)
Cassava ranks fifth among the starch producing crops of the world, its annual bioethanol yield is higher than for any other crop. Cassava cultivar KU50, the most widely grown cultivar for non-food purposes is susceptible to Sri Lankan cassava mosaic virus (SLCMV). The objective of this work was to engineer resistance to SLCMV by RNA interference (RNAi) in(More)
Marker-free transgenic eggplants, exhibiting enhanced resistance to Alternaria solani , can be generated on plant growth regulators (PGRs)- and antibiotic-free MS medium employing the multi-auto-transformation (MAT) vector, pMAT21 - wasabi defensin , wherein isopentenyl transferase ( ipt ) gene is used as a positive selection marker. Use of the selection(More)
Cucumber mosaic virus is an important plant pathogen with a broad host range encompassing many plant species. This study demonstrates the production of transgenic potato lines exhibiting complete resistance to cucumber mosaic virus strain O and Y by post transcriptional gene silencing. Two constructs were used, one, pEKH2IN2CMVai, contains inverted repeat(More)
Fusarium wilt is a soil-borne disease causing substantial yield losses in various crops and vegetables. We have previously reported the synthetic chitinase (NIC) gene (1.2 kb), in which codon usage of fungus, replaced with that of plant, conferred resistance against Botrytis cinerea. In this study, the NIC or GUS gene was linked to two root-specific(More)
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