在紫锥菊种子中发现的两种类墓病毒的完整基因组序列。

IF 1.9 4区 医学 Q3 GENETICS & HEREDITY
Virus Genes Pub Date : 2024-10-01 Epub Date: 2024-07-18 DOI:10.1007/s11262-024-02092-5
Juhyun Kim, Eun Jin Jeon, Minji Jun, Da-Som Lee, Seong-Jin Lee, Seungmo Lim
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引用次数: 0

摘要

紫锥花是一种原产于北美洲的草本植物,因其花朵艳丽而被栽培用于园艺和美化环境。利用高通量测序技术,我们从紫锥菊种子中鉴定出两种与Tombusviridae科相关的病毒等位基因。这两种病毒与燕麦叶枯病病毒(OCSV)和其他未确定的假花叶病毒相似;因此,我们暂时将它们命名为紫锥菊相关假花叶病毒 1 和 2(分别为 EaTV1 和 EaTV2)。EaTVs 代表推定的读穿位点,没有多聚(A)尾,符合墓病毒科的共同特征。EaTVs 包含在由 OCSV 和几种未分类的 Tombusviruses 组成的单系群中。由于 OCSV 是迄今为止 Avenavirus 的唯一成员,因此 EaTVs 是 Avenavirus 的暂定成员,或者它们是 OCSV 与几种未分类的 tombusviruses 的近亲。RNA依赖性RNA聚合酶和衣壳蛋白在EaTVs和未确定的古墓病毒之间有很好的保守性;但是,它们之间的相似性并不相关,这意味着存在着复杂的进化分歧。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Complete genome sequences of two tombusvirus-like viruses identified in Echinacea purpurea seeds.

Complete genome sequences of two tombusvirus-like viruses identified in Echinacea purpurea seeds.

Echinacea is an herbaceous plant originating from North America that is cultivated for gardening and landscaping because of its showy flowers. Using high-throughput sequencing, we identified two viral contigs from echinacea seeds that were related to the family Tombusviridae. These two viruses were similar to oat chlorotic stunt virus (OCSV) and other unassigned tombusviruses; therefore, we tentatively named them Echinacea-associated tombusviruses 1 and 2 (EaTV1 and EaTV2, respectively). The EaTVs represent putative readthrough sites and have no poly(A) tails, aligning with the common features of family Tombusviridae. The EaTVs are included in a monophyletic group of OCSV and several unassigned tombusviruses. Because OCSV is the only member of Avenavirus to date, EaTVs are tentative members of Avenavirus, or they are close sister species to OCSV with several unassigned tombusviruses. RNA-dependent RNA polymerases and coat proteins were well conserved among EaTVs and unassigned tombusviruses; however, their similarities were not correlated, implying divergent and complex evolution.

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来源期刊
Virus Genes
Virus Genes 医学-病毒学
CiteScore
3.30
自引率
0.00%
发文量
76
审稿时长
3 months
期刊介绍: Viruses are convenient models for the elucidation of life processes. The study of viruses is again on the cutting edge of biological sciences: systems biology, genomics, proteomics, metagenomics, using the newest most powerful tools. Huge amounts of new details on virus interactions with the cell, other pathogens and the hosts – animal (including human), insect, fungal, plant, bacterial, and archaeal - and their role in infection and disease are forthcoming in perplexing details requiring analysis and comments. Virus Genes is dedicated to the publication of studies on the structure and function of viruses and their genes, the molecular and systems interactions with the host and all applications derived thereof, providing a forum for the analysis of data and discussion of its implications, and the development of new hypotheses.
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