烟草矮化病毒外壳蛋白编码区的分子分析表明，它是脉状病毒属中莴苣大脉病毒的一个株系。
Molecular analysis of coat protein coding region of tobacco stunt virus shows that it is a strain of Lettuce big-vein virus in the genus Varicosavirus.
作者信息
Sasaya T, Ishikawa K, Kuwata S, Koganezawa H
机构信息
Laboratory of Plant Virology, National Agricultural Research Center for Western Region, Zentsuji, Japan.
出版信息
Arch Virol. 2005 May;150(5):1013-21. doi: 10.1007/s00705-004-0462-0. Epub 2005 Jan 13.
To evaluate the relationship between tobacco stunt virus (TStV) and Lettuce big-vein virus (LBVV), we determined nucleotide sequences of the coat protein (CP) coding region of five TStV and three LBVV isolates and compared them with those of one Japanese and four Spanish isolates of LBVV. CP coding regions were identical in size and the nucleotide and amino acid sequence identities between TStV and LBVV were 95.6-96.5% and 97.2-98.7%, respectively. Phylogenetic analysis of nucleotide sequences indicated that TStV was very closely related to LBVV and a strain of LBVV rather than a distinct species.
为了评估烟草矮化病毒（TStV）与莴苣大脉病毒（LBVV）之间的关系，我们测定了5个TStV分离株和3个LBVV分离株的外壳蛋白（CP）编码区的核苷酸序列，并将它们与1个日本LBVV分离株和4个西班牙LBVV分离株的序列进行比较。CP编码区大小相同，TStV与LBVV之间的核苷酸和氨基酸序列同一性分别为95.6 - 96.5%和97.2 - 98.7%。核苷酸序列的系统发育分析表明，TStV与LBVV密切相关，是LBVV的一个株系而非一个独立的物种。
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