Plant virus satellite and defective interfering RNAs: new paradigms for a new century.

@article{Simon2004PlantVS,
  title={Plant virus satellite and defective interfering RNAs: new paradigms for a new century.},
  author={Anne E Simon and Marilyn J Roossinck and Zolt{\'a}n Havelda},
  journal={Annual review of phytopathology},
  year={2004},
  volume={42},
  pages={415-37}
}
Although many subviral RNAs reduce or intensify disease symptoms caused by the helper virus, only recently have clues concerning the mechanism of disease modulation been revealed. New models for DI RNA-mediated reduction in helper virus levels and symptom attenuation include DI RNA enhancement of posttranscriptional gene silencing (PTGS), which is an antiviral defense mechanism in plants. Symptom enhancement by the satRNA of Cucumber mosaic virus is caused by minus-strand induction of the… CONTINUE READING

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Two distinct mechanisms of transgenic resistance mediated by groundnut rosette virus satellite RNA sequences

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