数字农科院2.0

Identification of a novel waikavirus infecting Pittosporum tobira in China

文献类型： 外文期刊

作者： Mengze Guo;Lei Zhang;Xudong Fan;Pingping Sun;Jianwei Guo;Zhengnan Li

作者机构：

关键词： Genome;High-throughput sequencing;Pittosporum tobira;RNA virus;Waikavirus

期刊名称： Archives of Virology

ISSN： 0304-8608

年卷期： 2024 年 169 卷 7 期

页码：

收录情况： SCIE（2024版）

摘要： A novel waikavirus, tentatively named "Pittosporum tobira waikavirus" (PtWV), was identified in Pittosporum tobira plants exhibiting mosaic and ringspot symptoms on foliage in Yunnan, China. The full-length genomic sequence was determined by high-throughput sequencing and rapid amplification of cDNA ends. The genome of PtWV is 12,709 nt in length and has a large open reading frame (ORF) of 11,010 nt, encoding a polyprotein, and a small ORF that encodes a 13.2-kDa bellflower vein chlorosis virus (BVCV)-like protein. Phylogenetic analysis and sequence alignment revealed that PtWV is closely related to actinidia yellowing virus 1 (AcYV1), which shares the highest amino acid (aa) sequence similarity (50.1% identity) in the Pro-RdRp region. To the best of our knowledge, this is the first report of a novel waikavirus in P. tobira.

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