Characterization of the complete genome of Barley yellow striate mosaic virus reveals a nested gene encoding a small hydrophobic protein
文献类型： 外文期刊
作者： Yan, Teng 1 ; Zhu, Jing-Rong 1 ; Di, Dianping 2 ; Gao, Qiang 1 ; Zhang, Yongliang 1 ; Zhang, Aihong 2 ; Yan, Chong 2 ; Mi 1 ;
作者机构： 1.China Agr Univ, Coll Biol Sci, State Key Lab Agrobiotechnol, Beijing 100193, Peoples R China
2.Hebei Acad Agr & Forestry Sci, Inst Plant Protect, Key Lab Integrated Pest Management Crops Northern, IPM Ctr Hebei Prov,Minist Agr, Baoding 071000, Hebei Province, Peoples R China
3.Hebei Ac
期刊名称：VIROLOGY （ 影响因子：3.616； 五年影响因子：3.967 ）
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收录情况： SCI
摘要： Barley yellow striate mosaic virus (BYSMV), a member of the genus Cytorhabdovirus, causes serious crop losses in agriculture. Here, we have cloned the BYSMV-derived small interfering RNAs (siRNAs), assembled the siRNAs and used RT-PCR to reconstruct the BYSMV genome. The genome consists of 12,706 nucleotides and encodes ten predicted genes from the antigenomic strand. The major BYSMV structural proteins share identities ranging from 35% to 62% with northern cereal mosaic virus (NCMV) counterparts. A notable difference is that BYSMV contains three transcriptional units residing between the P and M genes compared with four units in the corresponding region of NCMV. Unexpectedly, the middle mRNA in this region encodes gene5 nested in an alternative frame within gene4 via a leaky scanning mechanism. The gene5 encodes a small hydrophobic protein targeting to the endoplasmic reticulum (ER). To our knowledge, this is the first report of nested gene in plant rhabdoviruses.
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