文献类型: 外文期刊
作者: Li, Wei 1 ; Xia, Yunlei 1 ; Zhang, Haotian 1 ; Zhang, Xing 1 ; Chen, Huaigu 1 ;
作者机构: 1.Jiangsu Acad Agr Sci, Inst Plant Protect, Nanjing 210014, Jiangsu, Peoples R China
2.Yangtze Univ, Coll Agr, Jingzhou 434025, Hubei, Peoples R China
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: 2019 年 164 卷 1 期
页码:
收录情况: SCI
摘要: A Victorivirus was detected in isolate F16176 of the fungus Fusarium asiaticum, the causal agent of Fusarium head blight in China. The full genome sequence of the virus was sequenced and characterized. The complete cDNA sequence is 5,281 nucleotides long with 64.2% G + C content and contains two open reading frames (ORFs) that overlap at the pentanucleotide UAAUG. The two ORFs are predicted to encode coat protein (CP) and RNA-dependent RNA polymerase (RdRp), which are conserved among the dsRNA mycoviruses of the genus Victorivirus. Pairwise comparisons and phylogenetic analysis of the deduced amino acid sequences of RdRp indicated that this dsRNA mycovirus is a new virus belonging to the species Rosellinia necatrix victorivirus 1 in the family Totiviridae. This study is the first to report a full-length genomic sequence of a putative member of the genus Victorivirus in F. asiaticum.
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