Tombusvirus P19-mediated suppression of virus-induced gene silencing is controlled by genetic and dosage features that influence pathogenicity.

@article{Qiu2002TombusvirusPS,
  title={Tombusvirus P19-mediated suppression of virus-induced gene silencing is controlled by genetic and dosage features that influence pathogenicity.},
  author={Wenping Qiu and Jong-won Park and Herman B Scholthof},
  journal={Molecular plant-microbe interactions : MPMI},
  year={2002},
  volume={15 3},
  pages={269-80}
}
The p19 protein (P19) of Tomato bushy stunt virus (TBSV) is a pathogenicity determinant with host-dependent effects on virus spread and symptom induction. In addition, results in this study confirm that Potato virus X-mediated delivery of P19 suppresses posttranscriptional gene silencing (PTGS). To study the relevance of this activity for TBSV biology, we evaluated whether TBSV activates virus-induced gene silencing (VIGS) and if this process is suppressed by P19. TBSV vectors with the green… CONTINUE READING

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