In this study, we reported the complete genome of a novel Polerovirus, named Tobacco yellow virus (TYV), which can be transmitted by Myzus persicae. TYV had a single-stranded RNA genome of 5735 nucleotides in length and contained six putative open reading frames (ORFs). Phylogenetic analysis with whole genome nucleotide sequences and amino acid sequences deduced from the conserved domain of the RNA-dependent RNA polymerase, clustered TYV with Potato leafroll virus from the genus Polerovirus with high bootstrap values. However, TYV clustered with Brassica yellow virus using amino acid sequences deduced from the conserved domain of the coat protein. Taken together with the identities between ORFs in TYV and related ORFs in species from Polerovirus, our results strongly suggested TYV is a novel species of the genus Polerovirus.

在这项研究中，我们报告了一种新型的脊髓灰质炎病毒的完整基因组，该基因称为烟草黄病毒（TYV），可以通过桃蚜传播。TYV的单链RNA基因组长度为5735个核苷酸，并包含六个推定的开放阅读框（ORF）。用从依赖RNA的RNA聚合酶的保守结构域推导的全基因组核苷酸序列和氨基酸序列进行系统发育分析，TYV与来自具有高自举值的杆状病毒属的马铃薯卷叶病毒聚在一起。但是，TYV与芸苔属黄色病毒聚集使用从外壳蛋白的保守结构域推导的氨基酸序列。在TYV的ORF和来自物种相关的ORF的身份总之Polerovirus，我们的研究结果表明强是TYV属的一个新种Polerovirus。