نتایج جستجو برای: Post-transcriptional gene silencing
تعداد نتایج: 1567614 فیلتر نتایج به سال:
Background:Potyvirus-based virus-induced gene silencing (VIGS) is used for knocking down the expression of a target gene in numerous plant species. Sugarcane mosaic virus (SCMV) is a monopartite, positive single strand RNA virus. Objectives:pBINTRA6 vector was modified by inserting a gene segment of SCMV in place of Tobacco rattle virus (TRV) genome part 1 (TRV1 or RNA1)...
گیاهان خانواده کدوئیان دارای اهمیت خوراکی و همچنین داروئی در سراسر جهان می باشند. ویروس زردی شته زاد کدوئیان (cucurbit aphid-born yellow polerovirus: cabyv) یکی از شایع ترین ویروس های آلوده کننده کدوئیان در جهان است. ویروس cabyv کاهش محصول قابل توجهی را در خانواده گیاهی کدوئیان به خصوص خربزه و خیار از طریق کاهش تعداد میوه ایجاد می کند. تنها راه کاهش خسارت این ویروس استفاده از ارقام مقاوم و مبار...
Post-transcriptional gene silencing, transcriptional gene silencing and human immunodeficiency virus
Background: The potential of plants, as a safe and eukaryotic system, is considered in the production of recombinant therapeutic human protein today; but the expression level of heterologous proteins is limited by the post-transcriptional gene silencing (PTGS) response in this new technology. The use of viral suppressors of gene silencing can prevent PTGS and improve transient expression level ...
background: the potential of plants as a safe and eukaryotic systems, are considered for producing recombinant therapeutic human protein today; but the expression level of heterologous proteins is limited by the post-transcriptional gene silencing (ptgs) response in this new technology. the use of viral suppressors of gene silencing can prevent ptgs and improve transient expression level of for...
Gene silencing can occur either at the transcriptional level or post-transcriptional level or both. Many instances of sequence-specific silencing requires small RNAs that can be divided into two major classes: microRNAs (miRNAs) and short-interfering RNAs (siRNAs). miRNAs function in post-transcriptional gene silencing by guiding mRNA degradation or translational repression. Endogenous siRNAs a...
BACKGROUND Whole genome duplication, which results in polyploidy, is a common feature of plant populations and a recurring event in the evolution of flowering plants. Polyploidy can result in changes to gene expression and epigenetic instability. Several epigenetic phenomena, occurring at the transcriptional or post-transcriptional level, have been documented in allopolyploids (polyploids deriv...
Virus-induced gene silencing (VIGS) is one of the reverse genetics tools for analysis of gene function that uses viral vectors carrying a target gene fragment to produce dsRNA which trigger RNA-mediated gene silencing. There are a number of viruses which have been modified to silence the gene of interest effectively with a sequence-specific manner. Therefore, different types of methodologies ha...
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