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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Peptide-mediated broad-spectrum plant resistance to tospoviruses.

Plant viruses have a significant impact on agronomic losses worldwide. A new strategy for engineering virus-resistant plants by transgenic expression of a dominant interfering peptide is presented here. This peptide of 29 aa strongly interacts with the nucleocapsid proteins (N) of different tospoviruses. Transgenic Nicotiana benthamiana lines expressing the peptide fused to a carrier protein were challenged with five different tospoviruses that have a nucleocapsid protein interacting with the peptide. In the transgenic plants, strong resistance to tomato spotted wilt virus, tomato chlorotic spot virus, groundnut ring spot virus, and chrysanthemum stem necrosis virus was observed. This therefore demonstrates the feasibility of using peptide "aptamers" as an in vivo tool to control viral infection in higher plants.[1]


  1. Peptide-mediated broad-spectrum plant resistance to tospoviruses. Rudolph, C., Schreier, P.H., Uhrig, J.F. Proc. Natl. Acad. Sci. U.S.A. (2003) [Pubmed]
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