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Identification of a novel waikavirus infecting Pittosporum tobira in China

文献类型： 外文期刊

作者： Guo, Mengze 1 ; Zhang, Lei 1 ; Fan, Xudong 2 ; Sun, Pingping 1 ; Guo, Jianwei 3 ; Li, Zhengnan 1 ;

作者机构： 1.Inner Mongolia Agr Univ, Coll Hort & Plant Protect, Hohhot 010018, Inner Mongolia, Peoples R China

2.Chinese Acad Agr Sci, Res Inst Pomol, Xingcheng 125100, Liaoning, Peoples R China

3.Kunming Univ, Coll Agron & Life Sci, Yunnan Res Ctr Urban Agr Engn & Technol, Kunming 650214, Yunnan, Peoples R China

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

期刊名称：ARCHIVES OF VIROLOGY （ 影响因子：2.5； 五年影响因子：2.2 ）

ISSN： 0304-8608

年卷期： 2024 年 169 卷 7 期

页码：

收录情况： SCI

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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