Nucleotide Sequence of the 3'-Terminal Region of Cymbidium Ringspot Virus RNA

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Abstract
The nucleotide sequences of cDNA clones corespoinding to 2569 nucleotides from the 3'' end of cymbidium ringspot tombusvirus (CyRSV) RNA were determined. This region contains three open reading frames giving rise to three predicted protein products, two of which had been identified in previous studies. The 3'' non-coding region id 351 nucleotides long. The amino acid sequence of CyRSV coat protein has striking similarities with that of tomato bushy stunt tombusvirus, particularly in the S domain. No homology was found between the protein encoded by the second largest open reading frame and the corresponding product of other plant viruses.