Genomic characterization and seed transmission of a novel unclassified partitivirus infecting Polygonatum kingianum Coll. et Hemsl
文献类型： 外文期刊
作者： Zhang, Fan 1 ; Su, Xiaoxia 1 ; Zhang, Shaozhi 1 ; Wang, Maosen 3 ; Wang, Tiantian 1 ; Zheng, Xue 1 ; Wu, Kuo 1 ; Zheng, Kuanyu 1 ; Zhang, Zhongkai 1 ;
作者机构： 1.Yunnan Acad Agr Sci, Biotechnol & Germplasm Resources Res Inst, 2238 Beijing Rd, Kunming 650205, Yunnan, Peoples R China
2.Yunnan Prov Key Lab Agr Biotechnol, 2238 Beijing Rd, Kunming 650205, Yunnan, Peoples R China
3.Yunnan Univ, Sch Agr, Kunming 650091, Yunnan, Peoples R China
关键词： Polygonatum kingianum; Partitiviridae; RdRp; CP; Seed transmission
期刊名称：HELIYON （ 影响因子：4.0； 五年影响因子：4.1 ）
ISSN：
年卷期： 2023 年 9 卷 6 期
页码：
收录情况： SCI
摘要： This study identified a novel virus in the family Partitiviridae infecting Polygonatum kingianum Coll. et Hemsl, which is tentatively named polygonatum kingianum cryptic virus 1 (PKCV1). PKCV1 genome has two RNA segments: dsRNA1 (1926 bp) has an open reading frame (ORF) encoding an RNA-dependent RNA polymerase (RdRp) of 581 amino acids (aa), and dsRNA2 (1721 bp) has an ORF encoding a capsid protein (CP) of 495 aa. The RdRp of PKCV1 shares 20.70-82.50% aa identity with known partitiviruses, and the CP of PKCV1 shares 10.70-70.80% aa identity with known partitiviruses. Moreover, PKCV1 phylogenetically clustered with un-classified members of the Partitiviridae family. Additionally, PKCV1 is common in P. kingianum planting regions and has a high infection rate in P. kingianum seeds.
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