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Updated: Mar 6, 2026

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
Characterization of a new badnavirus from Wisteria sinensis
Yongqiang Li1, Congliang Deng2, Yan Qiao3
1College of Plant Science and Technology, Beijing University of Agriculture, Beijing, 102206, China. lyq@bua.edu.cn.
Abstract:
The complete genome sequence of a previously undescribed badnavirus isolated from a wisteria plant exhibiting mosaic and crinkle symptoms in Beijing, China, was determined. The circular double-stranded DNA genome of this virus was 7362 bp in size with four open reading frames (ORFs 1 to 4) on the plus strand. Sequence analysis showed that this virus shared the highest (69%) nucleotide (nt) sequence identity with pagoda yellow mosaic associated virus (PYMAV). In the RT-RNase H region of the ORF-3 encoded polyprotein, this virus shared 74% nt sequence identity with PYMAV. Phylogenetic analysis provided further evidence that the virus identified in this study is a member of a new species in the genus Badnavirus. The name wisteria badnavirus 1 (WBV1) is proposed for this new virus.
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