The complete nucleotide sequence of Beet black scorch virus (BBSV), a new member of the genus Necrovirus

被引:29
|
作者
Cao, Y [1 ]
Cai, Z [1 ]
Ding, Q [1 ]
Li, D [1 ]
Han, C [1 ]
Yu, J [1 ]
Liu, Y [1 ]
机构
[1] China Agr Univ, State Key Lab Agrobiotechnol, Beijing 100094, Peoples R China
关键词
D O I
10.1007/s00705-002-0896-1
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
The complete nucleotide sequence of Beet black scorch virus (BBSV) was determined. The BBSV genome is composed of 3641 nucleotides and has similar organization with Tobacco necrosis virus D of 61% nucleotide identity. The 5'-proximal open reading frame (ORF) encodes a putative 23 kDa protein and a 82 kDa protein by reading-through of an amber termination codon. Three small ORFs located in the center of the genome may encode for a 4.2 kDa protein and two 7 kDa proteins. The 3-proximal ORF encodes a 24.5 kDa protein equivalent in mass to the viral coat protein. Considering biological and molecular similarities with TNV, it is concluded that BBSV is a new member of the genus Necrovirus.
引用
收藏
页码:2431 / 2435
页数:5
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