نتایج جستجو برای: gene silencing

تعداد نتایج: 1153673  

Abdul Qayyum Rao, Farooq Ihsan, Idrees Ahmad Nasir Muhammad Rafiq, Sajed Ali, Shahid Javed Butt Tayyab Husnain,

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)...

Journal: :journal of paramedical sciences 0
marveh rahmati hematology and oncology research center, tabriz university of medical science, tabriz, iran. mohammad amin moosavi rehumatology research center, shariatihospita, therhan university of medical science, tehran, iran. seyedmehdi nourashrafeddin magee-women research institute & foundation, university of pittsburgh, school of medicine, pittsburgh, pa 15213, us zoya hojabri department of microbiology, faculty of medicine, semnan university of medical science, semnan, iran. akbar hasani rehumatology research center, shariatihospita, therhan university of medical science, tehran, iran. nosratollah zarghami rehumatology research center, shariatihospita, therhan university of medical science, tehran, iran.

nucleostemin (ns), a stem cell-abundant nucleolar protein, is critical for maintaining the self-renewal and proliferative properties of normal and cancerous stem cells. recent data suggests that ns signaling is important for proliferation of t-cells and leukemia cells. this study was conducted to verify the role of ns in pathogenesis and treatment of t-cell acute lymphocytic leukemia (t-all). o...

ژورنال: :بیماریهای گیاهی 0
جعفر نیکان نویسنده

ژن خاموشی پس از ترا نویسی (post-transcriptional gene silencing =ptgs) به عنوان یک مکانیسم طبیعی که به وسیله آن گیاهان اسیدهای نوکلئیک بیگانه مانند ژنوم ویروس ها را شناسایی و تجزیه می کنند مطرح است. در این مطالعه فرض شد که در مقاومت سیب زمینی  همسانه g8107(1)  در برابر تجمع plrv نیز چنین مکانیسمی دخالت دارد. این فرضیه با آزمایش انتقال ویروس از طریق پیوند آزمون شد. در این آزمایش قطعاتی از ساقه ها...

ژورنال: :بیماریهای گیاهی 2014
جعفر نیکان

ژن خاموشی پس از ترا نویسی (post-transcriptional gene silencing =ptgs) به عنوان یک مکانیسم طبیعی که به وسیله آن گیاهان اسیدهای نوکلئیک بیگانه مانند ژنوم ویروس ها را شناسایی و تجزیه می­کنند مطرح است. در این مطالعه فرض شد که در مقاومت سیب زمینی  همسانه g8107(1)  در برابر تجمع plrv نیز چنین مکانیسمی دخالت دارد. این فرضیه با آزمایش انتقال ویروس از طریق پیوند آزمون شد. در این آزمایش قطعاتی از ساقه­ها...

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 ...

D Nabati-Ahmadi , H Rajabi-Memari , J Hayati , N Jaberolansar , SA Hosseini-Tafreshi ,

Background and Aims: Virus-Induced Gene Silencing (VIGS) is a virus vector technology that exploits antiviral defense mechanism. By infecting plants with recombinant viruses containing host genes inserted in the viral genome, VIGS achieves the RNA silencing process. The purpose of this study was to investigate the possibility of tomato (Lycopersicon esculentum Mill.) and tobacco (Nicotiana be...

Journal: :research in molecular medicine 0
maryam zangi iranian research organization for science and technology (irost) sh. ehsani rad st., enqelab st., parsa sq., ahmadabad mostoufi rd., azadegan highway, p. o. box 3353-5111, tehran 3353136846, i. r. iran tel: (+9821)56276031-2 (+9821)56276026 p. o. box 3353 hamideh ofoghi iranian research organization for science and technology (irost) sh. ehsani rad st., enqelab st., parsa sq., ahmadabad mostoufi rd., azadegan highway, p. o. box 3353-5111, tehran 3353136846, i. r. iran tel: (+9821)56276031-2 (+9821)56276026 p. o. box 3353 zahra amini-bayat iranian research organization for science and technology (irost) sh. ehsani rad st., enqelab st., parsa sq., ahmadabad mostoufi rd., azadegan highway, p. o. box 3353-5111, tehran 3353136846, i. r. iran tel: (+9821)56276031-2 (+9821)56276026 p. o. box 3353 parastoo ehsani molecular biology dept. pasteur institute of iran, tehran, iran.

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...

Journal: :iranian journal of virology 0
n jaberolansar faculty of agriculture, university of shahid chamran of ahvaz, iran j hayati faculty of agriculture, university of shahid chamran of ahvaz, iran h rajabi-memari faculty of agriculture, university of shahid chamran of ahvaz, iran sa hosseini-tafreshi faculty of science, university of kashan, iran d nabati-ahmadi faculty of agriculture, university of shahid chamran of ahvaz, iran

background and aims: virus-induced gene silencing (vigs) is a virus vector technology that exploits antiviral defense mechanism. by infecting plants with recombinant viruses containing host genes inserted in the viral genome, vigs achieves the rna silencing process. the purpose of this study was to investigate the possibility of tomato (lycopersicon esculentum mill.) and tobacco (nicotiana bent...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید مدنی آذربایجان - دانشکده کشاورزی 1394

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...

Gene silencing using RNAi (RNA interference), has recently been used as a successful laboratory technique in determining the function and control of gene expression and provides a wide range of applications in molecular biology and gene therapy. RNAi is a method of suppressing gene expression. In this direction, a single-stranded RNA molecule of about 21–23 nucleotides, called siRNA (small inte...

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