Both genome RNA3 and satellite RNA have a role in the biological properties of cucumber mosaic virus Pseudorecombinant

Jin Leilei; Qin Zuodong; Xu Fangjiao; Zhang Jingwei; Yan Shijie; Chen Jishuang

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Both genome RNA3 and satellite RNA have a role in the biological properties of cucumber mosaic virus Pseudorecombinant

Jin Leilei 1,Qin Zuodong 2,Xu Fangjiao 2,Zhang Jingwei 1,Yan Shijie 1,Chen Jishuang 1 *

1.Institute of Bioengineering, Zhejiang Sci-Tech University

2. College of Life Science and Pharmaceutical Engineering, Nanjing University of Technology

*Correspondence author

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Funding: none

Opened online:18 October 2010

Accepted by: none

Citation: Jin Leilei,Qin Zuodong,Xu Fangjiao.Both genome RNA3 and satellite RNA have a role in the biological properties of cucumber mosaic virus Pseudorecombinant[OL]. [18 October 2010] http://en.paper.edu.cn/en_releasepaper/content/4387850

Three Cucumber mosaic virus (CMV) Pseudorecombinants were constructed by infectious genomic clones of CMV-Fny and CMV- Tsh in vitro. Each pseudorecombinant displayed different symptoms on the same host plants. Biological phenotype analysis showed the genome RNA3 of CMV-Tsh was an important virulence determinant of pseudorecombinant viruses when inoculated on N. glutinosa and N. benthamiana. Co-infected with satRNA-Tsh, the induced symptoms were all attenuated on N. glutinosa and N. benthamiana. The Northern Blot results showed that satRNA-Tsh apparently attenuated the symptoms by depressing the accumulation of genomic RNAs.

Keywords:CMV; pseudorecombinant ; biological phenotype; accumulation

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