A new capulavirus infecting sugar beet (Beta vulgaris L.) in France

IF 2.5 4区医学 Q3 VIROLOGY

Archives of Virology Pub Date : 2025-01-09 DOI:10.1007/s00705-025-06223-7

Zhixiang Zhang, Chantal Faure, Armelle Marais, Amélie Monteiro, Thierry Candresse

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Abstract

A novel capulavirus was identified by high-throughput sequencing in four sugar beet (Beta vulgaris L.) plants collected in April 2023 in Normandy (France). The complete genome of 2744 nucleotides (nt) was sequenced and found to have an organization similar to that of known capulaviruses, with which it showed close phylogenetic relationships. In addition, data mining of a publicly available Thalictrum thalictroides whole-genome shotgun sequence assembly allowed the identification of a contig (JABWDY010003008.1) representing a longer-than-unit length, likely episomal, genome with 99.4% nt sequence identity to the genome of the French beet isolate. The genome of the novel virus shares only 60.7–66.9% nt sequence identity with known capulaviruses, which is well below the species demarcation threshold of 78%, suggesting that a new species should be created to accommodate it. The common name "beet capulavirus 1" (BCV1) is proposed for this novel virus. Given that BCV1 was identified in plants that were coinfected with beet yellows virus, no conclusions can be drawn at this stage about its potential pathogenicity.

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一种感染法国甜菜的新冠状病毒（Beta vulgaris L.）

通过对2023年4月在法国诺曼底采集的4株甜菜（Beta vulgaris L.）植株进行高通量测序，鉴定出一种新型卡普勒病毒。对2744个核苷酸（nt）的全基因组进行了测序，发现其组织结构与已知的冠状病毒相似，并显示出密切的系统发育关系。此外，对公开的Thalictrum thalictroides全基因组霰弹枪序列进行数据挖掘，可以鉴定出一个超过单位长度的基因组（JABWDY010003008.1），可能是episomal基因组，与法国甜菜分离物的基因组序列同源性为99.4%。新病毒的基因组与已知冠状病毒的nt序列同源性仅为60.7-66.9%，远低于78%的物种划分阈值，这表明应该创造一个新的物种来容纳它。建议将这种新型病毒命名为“甜菜capulavirus 1”（BCV1）。鉴于BCV1是在与甜菜黄病毒共感染的植物中鉴定出来的，现阶段还不能得出关于其潜在致病性的结论。

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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.