Identification of two RNA silencing suppressors from banana bunchy top virus

  title={Identification of two RNA silencing suppressors from banana bunchy top virus},
  author={Shengniao Niu and Baosheng Wang and Xiaofen Guo and Jialin Yu and Xianbing Wang and Kai Xu and Yafeng Zhai and Jianhua Wang and Zhixin Liu},
  journal={Archives of Virology},
In order to suppress RNA silencing, many plant and some animal viruses encode RNA silencing suppressors to achieve infection. In this study, we report that B3 and B4, encoded by DNA3 and DNA4 of banana bunchy top virus (BBTV), exhibit RNA silencing suppression activity. B3 and B4 were able to increase the transient expression of green fluorescent protein (GFP) and dramatically enhanced the pathogenicity of potato virus X (PVX) in Nicotiana benthamiana. B4 was able to reverse established gene… CONTINUE READING


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