Molecular characterization of a novel luteovirus infecting apple by next-generation sequencing

文献类型： 外文期刊

第一作者： Shen, Pan

作者： Shen, Pan;Tian, Xin;Zhang, Song;Li, Ping;Yu, Yun-qi;Zhou, Changyong;Cao, Mengji;Shen, Pan;Tian, Xin;Zhang, Song;Li, Ping;Yu, Yun-qi;Zhou, Changyong;Cao, Mengji;Ren, Fang;Li, Ruhui

作者机构：

期刊名称：ARCHIVES OF VIROLOGY （ 影响因子：2.574； 五年影响因子：2.466 ）

ISSN： 0304-8608

年卷期： 2018 年 163 卷 3 期

页码：

收录情况： SCI

摘要： A new single-stranded positive-sense RNA virus, which shares the highest nucleotide (nt) sequence identity of 53.4% with the genome sequence of cherry-associated luteovirus South Korean isolate (ChALV-SK, genus Luteovirus), was discovered in this work. It is provisionally named apple-associated luteovirus (AaLV). The complete genome sequence of AaLV comprises 5,890 nt and contains eight open reading frames (ORFs), in a very similar arrangement that is typical of members of the genus Luteovirus. When compared with other members of the family Luteoviridae, ORF1 of AaLV was found to encompass another ORF, ORF1a, which encodes a putative 32.9-kDa protein. The ORF1-ORF2 region (RNA-dependent RNA polymerase, RdRP) showed the greatest amino acid (aa) sequence identity (59.7%) to that of cherry-associated luteovirus Czech Republic isolate (ChALV-CZ, genus Luteovirus). The results of genome sequence comparisons and phylogenetic analysis, suggest that AaLV should be a member of a novel species in the genus Luteovirus. To our knowledge, it is the sixth member of the genus Luteovirus reported to naturally infect rosaceous plants.

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