Analysis of the coding-complete genomic sequence of groundnut ringspot virus suggests a common ancestor with tomato chlorotic spot virus
Groundnut ringspot virus (GRSV) and tomato chlorotic spot virus (TCSV) share biological and serological properties, so their identification is carried out by molecular methods. Their genomes consist of three segmented RNAs: L, M and S. The finding of a reassortant between these two viruses may complicate correct virus identification and requires the characterization of the complete genome. Therefore, we present for the first time the complete sequences of all the genes encoded by a GRSV isolate. The high level of sequence similarity between GRSV and TCSV (over 90 % identity) observed in the genes and proteins encoded in the M RNA support previous results indicating that these viruses probably have a common ancestor.
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