Complete genome sequence analysis of a novel nepovirus isolated from Jasminum polyanthum in Yunnan, China

IF 2.5 4区医学 Q3 VIROLOGY

Archives of Virology Pub Date : 2024-12-12 DOI:10.1007/s00705-024-06196-z

Xiyan zhao, Rex Frimpong Anane, Jianwei Guo, Shaomei Zi, Bifan Chu, Zefen Yang, Kai Yan, Kaifei Ji, Shangyun Li, Zeli Chen, Mingfu Zhao

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Abstract

Here, we report the complete genome sequence of Jasminum polyanthum nepovirus 1 (JPV1), a novel virus associated with foliar ringspot symptoms in Jasminum polyanthum (Oleaceae). The genome of JPV1 consists of RNA1 and RNA2, both of which are monocistronic and are 7081 nt and 4212 nt in length, respectively. RNA1 encodes six functional proteins, including the X1 protein, X2 protein, NTP-binding protein (NTB), VPg protein, protease cofactor (Pro), and RNA-dependent RNA polymerase (RdRp), while RNA2 encodes three functional proteins: the 2A protein, movement protein (MP), and capsid protein (CP). Pairwise sequence comparisons showed that the JPV1 protease-polymerase (Pro-Pol) and CP proteins each shared less than 40% aa sequence identity with those of other nepoviruses. Phylogenetic analysis indicated that JPV1 is a putative member of the genus Nepovirus. Based on these results, we propose that JPV1 is a member of subgroup B of the genus Nepovirus.

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云南茉莉花新病毒的全基因组序列分析

本文报道了一种与茉莉叶面环斑症状相关的新病毒——茉莉多花新病毒1号（Jasminum polyanthum nepovirus 1, JPV1）的全基因组序列。JPV1的基因组由RNA1和RNA2组成，它们都是单顺反子，长度分别为7081 nt和4212 nt。RNA1编码6种功能蛋白，包括X1蛋白、X2蛋白、ntp结合蛋白（NTB）、VPg蛋白、蛋白酶辅助因子（Pro）和RNA依赖性RNA聚合酶（RdRp）， RNA2编码3种功能蛋白：2A蛋白、运动蛋白（MP）和衣壳蛋白（CP）。两两序列比较表明，JPV1蛋白酶聚合酶（Pro-Pol）和CP蛋白与其他病毒的序列同源性小于40%。系统发育分析表明，JPV1可能属于Nepovirus属。基于这些结果，我们认为JPV1是Nepovirus属B亚群的成员。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Archives of Virology 医学-病毒学

CiteScore

5.10

自引率

7.40%

发文量

324

审稿时长

4.5 months

期刊介绍： Archives of Virology publishes original contributions from all branches of research on viruses, virus-like agents, and virus infections of humans, animals, plants, insects, and bacteria. Coverage spans a broad spectrum of topics, from descriptions of newly discovered viruses, to studies of virus structure, composition, and genetics, to studies of virus interactions with host cells, organisms and populations. Studies employ molecular biologic, molecular genetics, and current immunologic and epidemiologic approaches. Contents include studies on the molecular pathogenesis, pathophysiology, and genetics of virus infections in individual hosts, and studies on the molecular epidemiology of virus infections in populations. Also included are studies involving applied research such as diagnostic technology development, monoclonal antibody panel development, vaccine development, and antiviral drug development.Archives of Virology wishes to publish obituaries of recently deceased well-known virologists and leading figures in virology.