Pathogen-derived Resistance to Tomato Spotted Wilt Virus in Transgenic Tomato and Tobacco Plants

in Journal of the American Society for Horticultural Science
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  • 1 Department of Plant Genetics Breeding and Biotechnology, Faculty of Horticulture and Landscape Architecture, Warsaw Agricultural University, Nowoursynowska 166, 02-787 Warsaw, Poland
  • | 2 Research Institute of Pomology and Floriculture, Pomologiczna 18, 96-100 Skierniewice, Poland
  • | 3 AgroBioInstitute, 8 Dragan Tzankov Boulevard, 1164 Sofia, Bulgaria
  • | 4 Department of Plant Genetics Breeding and Biotechnology, Faculty of Horticulture and Landscape Architecture, Warsaw Agricultural University, Nowoursynowska 166, 02-787 Warsaw, Poland

This study was undertaken to remedy significant yield losses in commercial tomato (Lycopersicon esculentum Mill.) and tobacco (Nicotiana tabacum L.) production caused by tomato spotted wilt virus (TSWV). One of the possible sources of resistance can be incorporation into the host plant of a viral nucleoprotein (N) gene by Agrobacterium-mediated transformation. Twelve primary transformants of tomato and 141 of tobacco were analyzed for the expression of the N gene and for resistance to the TSWV infection. The tests have demonstrated that transgenic plants were protected against virus infection irrespective of whether or not they contained detectable levels of the translational product.

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