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Identification and characterization of a novel rhabdovirus infecting peach in China

文献类型: 外文期刊

作者: Zhou, Jun 1 ; Cao, Ke 2 ; Zhang, Zhixiang 1 ; Wang, Lirong 2 ; Li, Shifang 1 ;

作者机构: 1.CAAS, IPP, State Key Lab Biol Plant Dis & Insect Pests, Yuanmingyuan Western Rd, Beijing 100193, Peoples R China

2.Chinese Acad Agr Sci, Zhengzhou Fruit Res Inst, Key Lab Biol & Genet Improvement Hort Crops Fruit, Minist Agr, Zhengzhou 450009, Peoples R China

3.CATAS, Environm & Plant Protect Inst, Haikou 571101, Hainan, Peoples R China

关键词: Alphanucleorhabdovirus; Negative single-stranded RNA virus; Peach; RNA-Seq; Peach virus 1

期刊名称:VIRUS RESEARCH ( 影响因子:3.303; 五年影响因子:3.445 )

ISSN: 0168-1702

年卷期: 2020 年 280 卷

页码:

收录情况: SCI

摘要: A novel negative-sense, single-stranded (ss) RNA virus was identified in peach trees by high-throughput sequencing, and named peach virus 1 (PeV1). The genome of PeV1 consists of 13,949 nucleotides (nt), and its organization is typical of rhabdoviruses with six open reading frames (ORFs) encoding deduced proteins N-P-P3-M-G-L on the antisense strand. These ORFs are separated by highly conserved intergenic sequences and flanked by complementary 3'-leader and 5'-trailer sequences. PeV1 shared highest complete genome (41.9%), N amino acid (43.6%), G amino acid (41.0%), and L amino acid (42.7%) identities with viruses which belong to the genus Alphanucleorhabdovirus, suggesting it may belong to a new species. This was further supported by phylogenetic analyses using amino acid sequences of N, G, and L proteins, in which this virus is always clustered with al-phanucleorhabdoviruses. Collectively, results suggest that PeV1 is a member of a new alphanucleorhabdovirus species. Moreover, bioassays revealed that it could be transmitted through grafting. The findings expand our knowledge of peach-infecting viruses and alphanucleorhabdoviruses.

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