نتایج جستجو برای: polerovirus
تعداد نتایج: 96 فیلتر نتایج به سال:
Plants employ small RNA-mediated posttranscriptional gene silencing as a virus defense mechanism. In response, plant viruses encode proteins that can suppress RNA silencing, but the mode of action of most such proteins is poorly understood. Here, we show that the silencing suppressor protein P0 of two Arabidopsis-infecting poleroviruses interacts by means of a conserved minimal F-box motif with...
Potato leafroll polerovirus (PLRV) genomic RNA acts as a polycistronic mRNA for the production of proteins P0, P1, and P2 translated from the 5'-proximal half of the genome. Within the P1 coding region we identified a 5-kDa replication-associated protein 1 (Rap1) essential for viral multiplication. An internal ribosome entry site (IRES) with unusual structure and location was identified that re...
A Reverse Transcription-Polymerase Chain Reaction (RT-PCR) technique was applied for the detection of Potato leaf roll polerovirus (PLRV) in dormant potato tubers. A primer pair was designed from the coat protein-encoding fragment of the PLRV genome that amplified a 336-bp product. The amplified product was detected in nucleic acid preparations from leaves and tubers of 5 cultivars and from pur...
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