CEVd-induced symptom modification as a response to a host-specific temperature-sensitive reaction.

@article{kori2001CEVdinducedSM,
  title={CEVd-induced symptom modification as a response to a host-specific temperature-sensitive reaction.},
  author={Dijana {\vS}kori{\'c} and Melissa L Conerly and Jeffery Szychowski and Joseph S. Semancik},
  journal={Virology},
  year={2001},
  volume={280 1},
  pages={115-23}
}
Natural selection of two new variants of citrus exocortis viroid (CEVd) was detected by observing tissues displaying both severe and mild symptoms from a single Gynura aurantiaca. The variants CEVd-S (severe) and CEVd-M (mild), differing by only five nucleotides confined to the pathogenic (P) domain, remained stable when propagated by rooted cuttings or from successive plants inoculated with tissue extracts or transcripts from cDNA clones. CEVd-S induces a very severe reaction in Gynura that is… CONTINUE READING

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