Research Paper | Published:

Field Resistance of Transgenic Russeet Burbank Potato to Effects of Infection by Potato Virus X and Potato Virus Y

Bio/Technologyvolume 8pages750754 (1990) | Download Citation

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Abstract

Transgenic Russet Burbank potato plants expressing the coat protein genes of potato virus X (PVX) and potato virus Y (PVY) were transplanted into the field after propagation in tissue culture. Virus resistance, plant growth and tuber yield were determined. Our results show that expression of PVX and PVY CP genes confer a very high level of resistance to PVX and PVY infection in clone 303, one of the four different transgenic potato clones tested. After inoculation with PVX and PVY, tuber yield of control Russet Burbank plants decreased, while the yield of clone 303 was unaffected. Four different uninoculated transgenic clones had tuber yields as high as control Russet Burbank. These results confirm that resistance to PVX and PVY is effective in the field and can prevent yield losses due to dual infection by these viruses.

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Author notes

  1. Nilgun E. Tumer: Corresponding author.

Affiliations

  1. Plant Sciences Department, Monsanto comapny, 700 Chesterfield Village Parkway, St. Louis, MO, 63188

    • Wojciech Kaniewski
    • , Cliff Lawson
    • , Bernard Sammons
    • , Lisa Haley
    • , Jesse Hart
    • , Xavier Delannay
    •  & Nilgun E. Tumer

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https://doi.org/10.1038/nbt0890-750

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