Presence of Poly(A) Tails at the 3'-Termini of Some mRNAs of a Double-Stranded RNA Virus, Southern Rice Black-Streaked Dwarf Virus
文献类型： 外文期刊
作者： He, Ming 1 ; Jiang, Ziqiong 2 ; Li, Shuo 3 ; He, Peng 1 ;
作者机构： 1.Guizhou Univ, State Key Lab Breeding Base Green Pesticide & Agr, Key Lab Green Pesticide & Agr Bioengn, Minist Educ, Guiyang 550025, Peoples R China
2.Rural Work Off, Plant Protect Stn, Rongjiang Cty 557200, Guizhou, Peoples R China
3.Jiangsu Acad Agr Sci, Inst Plant Protect, Jiangsu Tech Serv, Ctr Diag & Detect Plant Virus Dis, Nanjing 210014, Peoples R China
期刊名称：VIRUSES-BASEL （ 影响因子：5.048； 五年影响因子：5.127 ）
ISSN： 1999-4915
年卷期： 2015 年 7 卷 4 期
页码：
收录情况： SCI
摘要： Southern rice black-streaked dwarf virus (SRBSDV), a new member of the genus Fijivirus, is a double-stranded RNA virus known to lack poly(A) tails. We now showed that some of SRBSDV mRNAs were indeed polyadenylated at the 3' terminus in plant hosts, and investigated the nature of 3' poly(A) tails. The non-abundant presence of SRBSDV mRNAs bearing polyadenylate tails suggested that these viral RNA were subjected to polyadenylation-stimulated degradation. The discovery of poly(A) tails in different families of viruses implies potentially a wide occurrence of the polyadenylation-assisted RNA degradation in viruses.
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