Identification and complete genome sequence of a novel sadwavirus discovered in chrysanthemum (Chrysanthemum morifolium Ramat.)

文献类型： 外文期刊

第一作者： Chen, Jie

作者： Chen, Jie;Wang, Hui;Cao, Kuirong;Dong, Yafeng;Fan, Xudong;Zhang, Jie;Ma, Changnian;Cao, Liangliang;Shen, Leiding

作者机构：

期刊名称：ARCHIVES OF VIROLOGY （ 影响因子：2.7； 五年影响因子：2.4 ）

ISSN： 0304-8608

年卷期： 2023 年 168 卷 12 期

页码：

收录情况： SCI

摘要： The complete genome sequence of a putative novel member of the genus Sadwavirus was determined by high-throughput sequencing of a chrysanthemum from an orchard of the Tongxiang Agricultural Science Institute in Tongxiang, Zhejiang province. The complete genome sequence was confirmed using RT-PCR and the rapid amplification of cDNA ends (RACE) method. The predicted genome of the putative virus is composed of two RNA molecules, 7016 and 6772 nucleotides in length, excluding their poly-A tails. The new virus was tentatively named "chrysanthemum sadwavirus" (ChSV). The Pro-Pol region of RNA1 and the CP region of RNA2 of ChSV shared the highest amino acid sequence identity (53.01% and 36.40%, respectively) with the corresponding sequences of lettuce secovirus 1 (LSV-1). Phylogenetic analysis showed that ChSV clustered with members of the subgenus Stramovirus (genus Sadwavirus). Taken together, these results suggest that ChSV is a new member of the genus Sadwavirus.

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