Food and Environment Research Agency, Sand Hutton, York, UK,
Arch Virol. 2014 Feb;159(2):385-8. doi: 10.1007/s00705-013-1824-2. Epub 2013 Sep 5.
This study reports the first complete genome sequence of Piper yellow mottle virus (PYMoV, KC808712) identified in black pepper. The genome is 7,622 nucleotides long, possessing four open reading frames (ORFs). ORF1, ORF2 and ORF4 of PYMoV are reported as hypothetical proteins of unknown function with a predicted molecular mass of 15.7, 17.1 and 17.9 kDa, respectively. ORF3 of PYMoV encodes a polyprotein of 218.6 kDa and consists of a viral movement protein (MP), trimeric dUTPase, zinc finger, retropepsin, RT-LTR, and RNAse H. Detailed PYMoV genome analysis confirmed that it is a member of the family Caulimoviridae, genus Badnavirus. Fragments of two additional novel sequences resembling those found in members of the family Caulimoviridae were also identified in the black pepper sample, and the viruses from which they were derived were tentatively named Piper DNA virus 1 and 2.
本研究报告了在黑胡椒中鉴定到的胡椒黄花斑驳病毒 (PYMoV,KC808712) 的首个完整基因组序列。该基因组全长 7622 个核苷酸,具有四个开放阅读框(ORF)。PYMoV 的 ORF1、ORF2 和 ORF4 被报告为功能未知的假定蛋白,预测分子量分别为 15.7、17.1 和 17.9 kDa。PYMoV 的 ORF3 编码一个 218.6 kDa 的多蛋白,由病毒移动蛋白 (MP)、三聚体 dUTP 酶、锌指、反转录酶、RT-LTR 和 RNAse H 组成。对 PYMoV 基因组的详细分析证实,它是 Caulimoviridae 科、Badnavirus 属的一员。在黑胡椒样本中还鉴定到了两个类似 Caulimoviridae 成员中发现的另外两个新序列的片段,从中衍生的病毒被暂时命名为胡椒 DNA 病毒 1 和 2。