RNA based viral silencing suppression in plant pararetroviruses

被引:9
作者
Hohn, Thomas [1 ,2 ]
机构
[1] Univ Basel, Inst Bot, CH-4056 Basel, Switzerland
[2] Friedrich Miescher Inst, CH-4058 Basel, Switzerland
关键词
caulimovirus; silencing; silencing suppression; translation; shunting; POL II; viroid; siRNA; CAULIFLOWER-MOSAIC-VIRUS; POLYMERASE; PROMOTER; DNA; PATHWAYS; DEFENSE; TRANSCRIPTION; REPLICATION; SEQUENCE; IMMUNITY;
D O I
10.3389/fpls.2015.00398
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
The 35S promoter of cauliflower mosaic virus and that of other plant pararetroviruses gives rise to an RNA, which is both a pre-genome and a polycistronic mRNA. The 600 nucleotide long very structured leader of this RNA is also transcribed separately. The resulting 8S RNA is then converted to a double strand giving rise to a huge set of siRNAs, whichh suppress silencing. In this Mini-Review I discuss how this versatile stretch of 600 nts constitutes a masterpiece of evolution.
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页数:5
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