文献类型： 外文期刊
第一作者： Li, Zhengnan
作者： Li, Zhengnan;Zhang, Lei;Song, Shuang;Fan, Xudong;Liang, Qiaolan;Chen, Yahan;Li, Minhui
作者机构：
期刊名称：ARCHIVES OF VIROLOGY （ 影响因子：2.7； 五年影响因子：2.4 ）
ISSN： 0304-8608
年卷期： 2023 年 168 卷 4 期
页码：
收录情况： SCI
摘要： Burdock (Arctium lappa L.) is not only a popular vegetable crop but also an important medicinal plant. In burdock plants with symptoms of leaf mosaic, a novel torradovirus tentatively named "burdock mosaic virus" (BdMV) was identified by high-throughput sequencing. The complete genomic sequence of BdMV was further determined using RT-PCR and the rapid amplification of cDNA ends (RACE) method. The genome is composed of two positive-sense single-stranded RNAs. RNA1 (6991 nt) encodes a polyprotein of 2186 aa, and RNA2 (4700 nt) encodes a protein of 201 aa and a polyprotein of 1212 aa that is predicted to be processed into one movement protein (MP) and three coat proteins (CPs). The Pro-Pol region of RNA1 and the CP region of RNA2 shared the highest amino acid sequence identity of 74.0% and 70.6%, respectively, with the corresponding sequences of lettuce necrotic leaf curl virus (LNLCV) isolate JG3. Phylogenetic analysis based on the amino acid sequences of the Pro-Pol and CP regions showed that BdMV clustered with other non-tomato-infecting torradoviruses. Taken together, these results suggest that BdMV is a new member of the genus Torradovirus.
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