Name: simple and robust in vivo and in vitro approach for studying virus assembly
Uploaded: 2012-03-01T12:00:00
Description: Watch this Scientific Journal Video about Simple and Robust in vivo and in vitro Approach for Studying Virus Assembly at JoVE.com

Авторы хотели бы поблагодарить нескольких членов лаборатории за их ценные предложения по развитию agroinfiltration и в лабораторных анализах сборки. Эта работа финансируется за счет гранта из Калифорнийского университета. Это исследование было поддержано в части за счет гранта Национального научного фонда (CBET-1144237).

1. Завод материал <ol><li> Nicotiana benthamiana растений, которые будут использоваться в encapsidation анализа должны быть на 4 листа этапе (примерно в 3-4 недельных растений). </li></ol> 2. Доставка и выражение функциональной вирусных компонентов генома растительной клетки на agroinfiltration <ol><li> <st...

<ol>
	<li>Annamalai, P., Rao, A. L. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Replication-independent+expression+of+genome+components+and+capsid+protein+of+brome+mosaic+virus+in+planta:+a+functional+role+for+viral+replicase+in+RNA+packaging.">Replication-independent expression of genome components and capsid protein of brome mosaic virus in planta: a functional role for viral replicase in RNA packaging.</a> Virology. 338, 96-111 (2005).</li><li>Annamalai, P., Rofail, F., Demason, D. A., Rao, A. L. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Replication-coupled+packaging+mechanism+in+positive-strand+RNA+viruses:+synchronized+coexpression+of+functional+multigenome+RNA+components+of+an+animal+and+a+plant+virus+in+Nicotiana+benthamiana+cells+by+agroinfiltration.">Replication-coupled packaging mechanism in positive-strand RNA viruses: synchronized coexpression of functional multigenome RNA components of an animal and a plant virus in Nicotiana benthamiana cells by agroinfiltration.</a> J. Virol. 82, 1484-1495 (2008).</li><li>Annamalai, P., Rao, A. L., Foster, N., Johansen, H. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=.">.</a> Plant Virology Protocols. 451, 251-264 (2008).</li><li>Lane, L. C. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=The+bromoviruses.">The bromoviruses.</a> Adv. Virus Res. 19, 151-220 (1974).</li><li>Choi, Y. G., Rao, A. L. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Molecular+studies+on+bromovirus+capsid+protein.+VII.+Selective+packaging+on+BMV+RNA4+by+specific+N-terminal+arginine+residuals.">Molecular studies on bromovirus capsid protein. VII. Selective packaging on BMV RNA4 by specific N-terminal arginine residuals.</a> Virology. 275, 207-217 (2000).</li><li>Sambrrok, J., Russel, D. W. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=.">.</a> Molecular Cloning. A Laboratory Manual. , (2001).</li><li>Dreher, T. W., Rao, A. L., Hall, T. C. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Replication+in+vivo+of+mutant+brome+mosaic+virus+RNAs+defective+in+aminoacylation.">Replication in vivo of mutant brome mosaic virus RNAs defective in aminoacylation.</a> J. Mol. Biol. 206, 425-438 (1989).</li><li>Jung, B., Rao, A. L., Anvari, B. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Optical+nano-constructs+composed+of+genome-depleted+brome+mosaic+virus+doped+with+a+near+infrared+chromophore+for+potential+biomedical+applications.">Optical nano-constructs composed of genome-depleted brome mosaic virus doped with a near infrared chromophore for potential biomedical applications.</a> A.C.S. Nano. 5, 1243-1252 (2011).</li><li>Voinnet, O., Lederer, C., Baulcombe, D. C. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=A+viral+movement+protein+prevents+spread+of+the+gene+silencing+signal+in+Nicotiana+benthamiana.">A viral movement protein prevents spread of the gene silencing signal in Nicotiana benthamiana.</a> Cell. 103, 157-167 (2000).</li><li>Wroblewski, T., Tomczak, A., Michelmore, R. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Optimization+of+Agrobacterium-mediated+transient+assays+of+gene+expression+in+lettuce,+tomato+and+Arabidopsis.">Optimization of Agrobacterium-mediated transient assays of gene expression in lettuce, tomato and Arabidopsis.</a> Plant Biotechnol. J. 3, 259-273 (2005).</li></ol>

Agroinfiltration здесь подход может широко применяться для широкого спектра вирусов растений. Отличительная особенность этого подхода синхронизированы поставку нескольких agroconstruct в ту же камеру, что является главным недостатком, обычно связанные с обычно используется механический посев ви?...

<table border="1"><tbody><tr><td> Название реагента </td><td> Компания </td><td> Номер в каталоге </td></tr><tr><td> Соли натрия МЧС </td><td> Sigma-Aldrich </td><td> M2993 </td></tr><tr><td> Индоцианина зеленый </td><td> Sigma-Aldrich </td><td> I2633 </td></tr><tr><td> Beckman ультрацентрифуге </td><td> Beckman Coulter </td><td> Модель: L8-70М </td></tr><tr><td> Centricon-100 колонка </td><td> Millipore </td><td> YM-100 </td></tr><tr><td> Спектрофотометр </td><td> Cary 50, Varian Инк </td><td> Номер детали 10068900 </td></tr><tr><td> Spectrofluorometer </td><td> Fluorolog 3 Jobin-Ивона. </td><td> Номер FL3-21 </td></tr></tbody></table>

simple and robust in vivo and in vitro approach for studying virus assembly

In viruses with positive-sense RNA genomes pathogenic to humans, animals and plants, progeny encapsidation into mature and stable virions is a cardinal phase during establishment of infection in a given host. Consequently, study of encapsidation deciphers the information regarding the know-how of the mechanism regulating virus assembly to form infectious virions. Such information is vital in formulating novel methods of curbing virus spread and disease control. Virus encapsidation can be studied in vivo and in vitro. Genome encapsidation in vivo is a highly regulated selective process involving macromolecular interactions and subcellular compartmentalization. Therefore, study leading to dissect events encompassing virus encapsidation in vivo would provide basic knowledge to understand how viruses proliferate and assemble. Recently in vitro encapsidation has been exploited for the research in the area of biomedical imaging and therapeutic applications. Non-enveloped plant viruses stand far ahead in the venture of in vitro encapsidation of the negatively charged foreign material. Brome mosaic virus (BMV), a non-enveloped multicomponent RNA virus pathogenic to plants, has been used as a model system for studying genome packaging in vivo and in vitro. For encapsidation assays in Nicotiana benthamiana plants, Agrobacterium -mediated transient expression, refer to as agroinfiltration, is an efficient and robust technique for the synchronized delivery and expression of multiple components to the same cell. In this approach, a suspension of Agrobacterium tumefaciens cells carrying binary plasmid vectors carrying cDNAs of desiredviral mRNAs is infiltrated into the intercellular space withina leaf using nothing more sophisticated than a 1 ml disposable syringe (without needle). This process results in the transfer of DNA insert into plant cells; the T-DNA insert remains transiently in the nucleus and is then transcribed by the host polymerase II, leading to the transient expression. The resulting mRNA transcript (capped and polyadenylated) is then exported to the cytoplasm for translation. After approximately 24 to 48 hours of incubation,sections of infiltrated leaves can be sampled for microscopyor biochemical analyses. Agroinfiltration permits large numbers (hundreds to thousands) of cells to be transfected simultaneously. For in vitro encapsidation, purified virions of BMV are dissociated into capsid protein by dialyzing against dissociation buffer containing calcium chloride followed by removal of RNA and un-dissociated virions by centrifugation. Genome depleted capsid protein subunits are then reassembled with desired viral genome components or non-viral components such as indocyanine dye.

Watch this Scientific Journal Video about Simple and Robust in vivo and in vitro Approach for Studying Virus Assembly at JoVE.com

Simple and Robust in vivo and in vitro Approach for Studying Virus Assembly

Простой, эффективный и надежный способ синхронизировать поставки несколько вирусных компонентов в клетках растений с помощью<em&gt; Agrobacterium</em&gt; Опосредованного переходные выражения описаны. Такой подход дает возможности изучения репликации encapsidation следует<em&gt; В пробирке</em&gt; Сборка не-вирусных компонентов в геном обедненного оптических вирусных призраки подходит для биомедицинских приложений.

Простая и надежная В естественных условиях И В пробирке Подход к изучению вируса Ассамблеи

In viruses with positive-sense RNA genomes pathogenic to humans, animals and plants, progeny encapsidation into mature and stable virions is a cardinal ...

Research

JoVE Journal

Immunology and Infection

Simple and Robust in vivo and in vitro Approach for Studying Virus Assembly

Visualizing Dengue Virus through Alexa Fluor Labeling

Визуализация вируса денге через Alexa Fluor маркировки

The early events in the interaction between virus and cell can have profound influence on the outcome of infection. Determining the factors 
that ...

A Novel In vitro Model for Studying the Interactions Between Human Whole Blood and Endothelium

A Novel In vitro Model for Studying the Interactions Between Human Whole Blood and Endothelium

Роман<em&gt; В пробирке</em&gt; Модель для изучения взаимодействия между человеческим цельной крови и эндотелия

The majority of all known diseases are accompanied by disorders of the cardiovascular system. Studies into the complexity of the interacting pathways ...

In Vitro Analysis of Myd88-mediated Cellular Immune Response to West Nile Virus Mutant Strain Infection

In Vitro Analysis of Myd88-mediated Cellular Immune Response to West Nile Virus Mutant Strain Infection

In Vitro анализ MyD88-опосредованной клеточного иммунного ответа на вирус Западного Нила мутантный штамм инфекции

An attenuated West Nile virus (WNV), a nonstructural (NS) 4B-P38G mutant, induced higher innate cytokine and T cell responses than the wild-type WNV in ...

Neutrophil Isolation and Analysis to Determine their Role in Lymphoma Cell Sensitivity to Therapeutic Agents

Нейтрофильная Выделение и анализ для определения их роли в клеточной лимфомы чувствительность к терапевтических агентов

Neutrophils are the most abundant (40% to 75%) type of white blood cells and among the first inflammatory cells to migrate towards the site of ...

In Vitro Disassembly of Influenza A Virus Capsids by Gradient Centrifugation

In Vitro Disassembly of Influenza A Virus Capsids by Gradient Centrifugation

In Vitro разборке вируса гриппа капсиды по градиентное центрифугирование

Acid-triggered molecular processes closely control cell entry of many viruses that enter through the endocytic system. In the case of influenza A virus ...

A Simple and Efficient Approach to Construct Mutant Vaccinia Virus Vectors

Простой и эффективный подход к Construct Mutant осповакцины вирусного вектора

The CRISPR-associated endonuclease Cas9 can edit particular genomic loci directed by a single guide RNA (gRNA). The CRISPR/Cas9 system has been ...

In Vitro Methods for Comparing Target Binding and CDC Induction Between Therapeutic Antibodies: Applications in Biosimilarity Analysis

In Vitro Methods for Comparing Target Binding and CDC Induction Between Therapeutic Antibodies: Applications in Biosimilarity Analysis

В методах Vitro для сравнения цели связывания и CDC Индукционные Между терапевтических антител применения в анализе Biosimilarity

Therapeutic monoclonal antibodies (mAbs) are relevant to the treatment of different pathologies, including cancers. The development of biosimilar mAbs by ...

An Efficient and Simple Method to Establish NK and T Cell Lines from Patients with Chronic Active Epstein-Barr Virus Infection

Эффективной и простой метод для установления линии Т-клеток у больных с хроническим активный вирус Эпштейна - Барр инфекции и НК

A number of methods have been described to establish NK/T cell lines from patients with lymphoma or lymphoproliferative syndrome. These methods employed ...

A Simple Flow Cytometry Based Assay to Determine In Vitro Antibody Dependent Enhancement of Dengue Virus Using Zika Virus Convalescent Serum

A Simple Flow Cytometry Based Assay to Determine In Vitro Antibody Dependent Enhancement of Dengue Virus Using Zika Virus Convalescent Serum

Простой проточной цитометрии на основе анализа для определения в Vitro антитела зависит повышение вируса денге, с помощью вируса Зика выздоравливающих сыворотки

Antibody dependent enhancement of infection has been shown to play a major role in Dengue viral pathogenesis. Traditional assays that measure the capacity ...

Assembly and Purification of Prototype Foamy Virus Intasomes

Ассамблея и очистки прототип пенистый вирус Intasomes

A defining feature and necessary step of the retrovirus life cycle is the integration of the viral genome into the host genome. All retroviruses encode an ...