Engineering virus resistance in agricultural crops

Plant Molecular Biology
P J van den ElzenB J Cornelissen

Abstract

Plant viral genomes are relatively small and in the past decade many have been characterized at the molecular level. This has prompted research into the development of virus resistance based on interference with the viral multiplication cycle by teh introduction of viral sequences into the plant genome. Several strategies have been tested. The most successful one so far involves the constitutive expression of the coat protein gene of the virus against which resistance is desired. In this review we describe progress made in engineering virus resistance into potato, an important agricultural crop. To this end the molecular structure of the potato viruses X and Y and leafroll is discussed as well as the introduction of resistance against potato virus X into potato. In addition, we address the question of preservation of cultivar-specific characteristics, an important prerequisite for commercial application. Finally, recent investigations for alternative forms of virus resistance are described against the background of the results of coat protein-mediated protection.

References

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Citations

Jul 1, 1995·World Journal of Microbiology & Biotechnology·G Kahl, P Winter
Jan 1, 1990·Archives of Virology·F GadaniJ H Hill
Aug 1, 1991·Proceedings of the National Academy of Sciences of the United States of America·A G DayC P Lichtenstein
Apr 15, 1993·Proceedings of the National Academy of Sciences of the United States of America·T M Wilson
May 29, 2015·Biotechnology, Biotechnological Equipment·Xiao-Yu LiuWei Zhang

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