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1 Laboratory of Virology, Wageningen University, The Netherlands
2 Laboratory of Molecular Recognition and Antibody Technology, Wageningen University, The Netherlands
Correspondence
Marcel Prins
marcel.prins{at}wur.nl
Rational design of antibodies targeting essential viral proteins can complement the palette of antiviral resistance strategies. Here, stable and high expression of single-chain monoclonal antibodies targeting the nucleoprotein of the economically important plant virus Tomato spotted wilt virus, a protein that is involved in multiple steps in the viral infection cycle, is reported. High cytoplasmic expression levels of three selected phage display-derived anti-viral single-chain antibodies were established. Of these antibodies, two led to high levels of resistance against this plant virus. Protoplast experiments provided evidence that the two resistance-conferring antibodies may have a different mode of action and could be combined for higher durability of resistance in the field.
Fig. 3 is available in colour as supplementary material in JGV Online.
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L. Lopez-Ochoa, J. Ramirez-Prado, and L. Hanley-Bowdoin Peptide Aptamers That Bind to a Geminivirus Replication Protein Interfere with Viral Replication in Plant Cells. J. Virol., June 1, 2006; 80(12): 5841 - 5853. [Abstract] [Full Text] [PDF] |
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