Article
A viral movement protein prevents spread of the gene silencing signal in Nicotiana benthamiana.
Cell - 29 Sept 2000
Voinnet O, Lederer C, Baulcombe D C
Abstract excerpt
In plants, viruses induce an RNA-mediated defense that is similar to posttranscriptional gene silencing (PTGS) of transgenes. Here we demonstrate with potato virus X (PVX) that PTGS operates as a systemic, sequence-specific defense system. However, in grafting experiments or with movement defective forms of PVX, we could not detect systemic silencing unless the 25 kDa viral movement protein (p25) was made...
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