Abstract
Double-stranded RNAs formed in secondary structures and replicative intermediates of viral genomes are thought to strongly elicit RNA silencing. This phenomenon is known as virus-induced gene silencing (VIGS). VIGS is a powerful tool for modifying gene expression in host plants. We constructed a virus vector based on White clover mosaic virus (WClMV) and demonstrated VIGS of phytoene desaturase (PDS) in pea. Photobleaching of tissues, caused by VIGS of PDS, was observed in restricted areas of upper leaves and stems. We confirmed that the PDS mRNA and subgenomic RNAs of WClMV were reduced in the photobleached tissues.
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Acknowledgments
We thank Prof. Shigetou Namba (University of Tokyo, Tokyo, Japan) for WClMV-RC. This work was partly supported by JSPS/MEXT KAKENHI (20688002, 18108001) to K.S.N. and I.U.
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Ido, Y., Nakahara, K.S. & Uyeda, I. White clover mosaic virus-induced gene silencing in pea. J Gen Plant Pathol 78, 127–132 (2012). https://doi.org/10.1007/s10327-012-0360-3
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DOI: https://doi.org/10.1007/s10327-012-0360-3