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Updated: May 17, 2025

Combining Analysis of DNA in a Crude Virion Extraction with the Analysis of RNA from Infected Leaves to Discover New Virus Genomes
Published on: July 27, 2018
Complete genome sequences of two different broad bean stain virus isolates
Fumino Nito1, Yuya Imamura1, Yuji Fujiwara1
1Yokohama Plant Protection Station, Ministry of Agriculture, Forestry and Fisheries. Yokohama, Kanagawa, 231-0003, Japan.
Abstract:
Here, the complete genome sequences of two broad bean stain virus (BBSV; genus Comovirus) strains - Tunisia (RNA1, 5,965 nt; RNA2, 3,467 nt) and Syria (RNA1, 5,976 nt; RNA2, 3,449 nt) - were determined using next-generation sequencing (NGS) and rapid amplification of cDNA ends (RACE). These strains showed 79.2% and 71.6% nucleotide sequence identity to each other in RNA1 and RNA2, respectively. The predicted amino acid sequence identity was 95.2% in the proteinase-polymerase and 93.9% in the coat protein, indicating that these strains belong to the same species in the genus Comovirus. Phylogenetic analysis showed that both strains are closely related to red clover mottle virus (genus Comovirus). This is the first report of the complete genome sequences of two BBSV strains.

