Collaborative research: Identification of cis-acting sequence and structural elements required for replication of a viral RNA
合作研究:鉴定病毒 RNA 复制所需的顺式作用序列和结构元件
基本信息
- 批准号:0918609
- 负责人:
- 金额:$ 6.14万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2009
- 资助国家:美国
- 起止时间:2009-12-01 至 2013-09-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
This award is funded under the American Recovery and Reinvestment Act of 2009 (Public Law 111-5). In the United States, crop loss due to infection by plant pathogens, including plant viruses, has been estimated to exceed thirty billion dollars per year. In the environment, the genomes of plant viruses, as well as small, virus-associated (subviral) RNAs that often augment the severity of symptoms in infected plants, can exchange genetic information by recombination and/or rapidly self-evolve, which can further enhance infectiousness of these pathogens. A major question in the field of RNA virology remains "What makes an RNA infectious?" One thought is that the viral RNA sequence and/or structure that the RNA forms relates to its ability to replicate its genetic material, accumulate in its host, and cause disease. Due to its small size, the subviral RNA satellite C (satC) of Turnip crinkle virus (TCV) is an excellent model for identification and characterization of RNA sequences and/or structures involved in replication and pathogenesis. In vivo SELEX (systematic evolution of ligands by exponential enrichment) is a method in which a portion of the satC RNA is randomized, and then pools of these randomized satC RNAs are used to infect plants in the presence of TCV. Only functional satC molecules move through the plants and can be recovered in new leaves; therefore, required RNA sequences and/or structures in these satC can be identified. Through this approach of de-evolving and re-evolving different elements within the 5´ portion of satC, signals that control (i) satC (+)-strand synthesis from (-)-strand replication intermediates and (ii) the ratio of satC monomers to dimers will be defined. Defining sequence/structure requirements in the satC 5´ end will enhance our current understanding of how satC functions in TCV infection. Broader impacts. About 30 undergraduates will contribute to the research most via initiating the research projects during semester-long laboratory exercises in two offerings of an RNA Biology course at Dickinson College; others will complete the studies in the principal investigator's research lab. The students will answer state-of-the-art questions in RNA biology and virology by learning molecular biology techniques and performing in-depth data analysis, therefore partaking in a true research experience (as recommended in the BIO2010 guidelines). Furthermore, this research will engage women and underrepresented minorities based on current demographics of student majors in Biology and Biochemistry & Molecular Biology (likely participants in the course) as well as new (Dickinson science posse; NSF DUE-0856704) efforts to enhance recruitment and retention of minorities with interests in the Natural Sciences. The undergraduates who work on this project in the principal investigator's research lab will present at national meetings so that they can contribute to the research culture while enhancing their research awareness. The students also will contribute to the writing of research publications. Additionally, the principal investigators will write an education paper in order to disseminate the concept of in vivo SELEX experiments as a pedagogical tool for open-ended, molecular biology research projects for undergraduates.
该奖项是根据2009年《美国复苏和再投资法案》(公法111-5)提供资金的。在美国,包括植物病毒在内的植物病原体感染造成的农作物损失估计每年超过300亿美元。在环境中,植物病毒的基因组以及经常加剧受感染植物症状的病毒相关(亚病毒)小RNA可以通过重组和/或快速自我进化来交换遗传信息,这可以进一步增强这些病原体的侵染性。核糖核酸病毒学领域的一个主要问题仍然是“是什么使核糖核酸具有传染性?”一种想法是,RNA形成的病毒RNA序列和/或结构与其复制遗传物质、在宿主体内积累并导致疾病的能力有关。芜菁皱缩病毒(TCV)的亚病毒RNA卫星C(SATC)由于其体积小,是鉴定和鉴定与复制和致病有关的RNA序列和/或结构的良好模型。在体内,SELEX是一种将SATC RNA的一部分随机化,然后在TCV存在的情况下使用这些随机化的SATC RNA池来感染植物的方法。只有具有功能的SATC分子才能在植物中移动并在新叶中恢复;因此,可以确定这些SATC中所需的RNA序列和/或结构。通过这种去进化和再进化SATC 5‘部分不同元件的方法,将定义控制(I)SATC(+)链从(-)链复制中间产物合成和(Ii)SATC单体与二聚体的比率的信号。在SATC 5‘端定义序列/结构要求将增强我们目前对SATC如何在TCV感染中发挥作用的理解。更广泛的影响。大约30名本科生将在迪金森学院提供的两门RNA生物学课程中,通过在为期一学期的实验室练习中启动研究项目,为这项研究做出最大贡献;其他人将在首席研究员的研究实验室完成研究。学生将通过学习分子生物学技术和进行深入的数据分析来回答RNA生物学和病毒学方面的最新问题,从而参与真正的研究体验(如BIO2010指南所建议的)。此外,这项研究将根据目前生物学和生物化学及分子生物学专业学生(可能参加这门课程)的人口统计数据,以及新的(狄金森科学组;美国国家科学基金会DUE-0856704)努力促进招募和留住对自然科学感兴趣的少数族裔,从而使女性和代表性不足的少数族裔参与进来。在首席研究员的研究实验室从事这一项目的本科生将出席全国会议,以便他们可以在提高研究意识的同时为研究文化做出贡献。这些学生还将为撰写研究出版物做出贡献。此外,主要研究人员将撰写一篇教育论文,以传播体内SELEX实验的概念,将其作为本科生开放式分子生物学研究项目的教学工具。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Anne Simon其他文献
Is impaired kidney function an independent predictor of the risk of myocardial infarction in HIV-infected individuals?
肾功能受损是否是 HIV 感染者心肌梗死风险的独立预测因素?
- DOI:
10.1097/qad.0000000000000364 - 发表时间:
2014 - 期刊:
- 影响因子:3.8
- 作者:
Sylvie Lang;M. Mary;Marialuisa Partisani;J. Gilquin;Anne Simon;L. Cotte;Franck Boccara;Dominique Costagliola - 通讯作者:
Dominique Costagliola
Clinical, epidemiological and therapeutic characteristics of Mycoplasma genitalium infection in a French STI center.
法国性传播感染中心生殖支原体感染的临床、流行病学和治疗特征。
- DOI:
- 发表时间:
2021 - 期刊:
- 影响因子:3.5
- 作者:
C. Brin;Romain Palich;N. Godefroy;Anne Simon;Jérôme Robert;Cécile Bébéar;Wladimir Sougakoff;Rachid Agher;Eric Caumes;G. Monsel - 通讯作者:
G. Monsel
Échographie et chondrocalcinose articulaire
- DOI:
10.1016/j.rhum.2009.09.010 - 发表时间:
2010-05-01 - 期刊:
- 影响因子:
- 作者:
Carine Dufauret-Lombard;Pascale Vergne-Salle;Anne Simon;Christine Bonnet;Richard Treves;Philippe Bertin - 通讯作者:
Philippe Bertin
Clinical, epidemiological and therapeutic characteristics of <em>Mycoplasma genitalium</em> infection in a French STI center
- DOI:
10.1016/j.idnow.2021.09.003 - 发表时间:
2022-02-01 - 期刊:
- 影响因子:
- 作者:
Cécile Brin;Romain Palich;Nagisa Godefroy;Anne Simon;Jérôme Robert;Cécile Bébéar;Wladimir Sougakoff;Rachid Agher;Eric Caumes;Gentiane Monsel - 通讯作者:
Gentiane Monsel
Hand hygiene in surgery in Benin: opportunities and challenges
- DOI:
10.1186/s13756-020-00748-z - 发表时间:
2020-06-15 - 期刊:
- 影响因子:4.400
- 作者:
Carine Laurence Yehouenou;Angèle Modupe Dohou;Ariane Dessièdé Fiogbe;Marius Esse;Cyriaque Degbey;Anne Simon;Olivia Dalleur - 通讯作者:
Olivia Dalleur
Anne Simon的其他文献
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{{ truncateString('Anne Simon', 18)}}的其他基金
MFB: Partnerships to Transform Emerging Industries - RNA Tools/Biotechnology: Stabilizing Hairpin Inserts in RNA Virus Induced Gene Silencing Vectors
MFB:合作变革新兴产业 - RNA 工具/生物技术:稳定 RNA 病毒诱导基因沉默载体中的发夹插入
- 批准号:
2330663 - 财政年份:2024
- 资助金额:
$ 6.14万 - 项目类别:
Standard Grant
EAGER: Stable iRNA Vectors for Production of Proteins in Pumpkin Sap
EAGER:用于在南瓜汁液中生产蛋白质的稳定 iRNA 载体
- 批准号:
2034359 - 财政年份:2020
- 资助金额:
$ 6.14万 - 项目类别:
Standard Grant
EAGER: Developing a Novel Virus-like RNA as a Model for mRNA Systemic Movement and as a Vector for Citrus and Other Trees and Vines
EAGER:开发一种新型病毒样 RNA 作为 mRNA 系统运动模型以及柑橘和其他树木和藤本植物的载体
- 批准号:
1912025 - 财政年份:2019
- 资助金额:
$ 6.14万 - 项目类别:
Standard Grant
REGULATION OF CAP-INDEPENDENT TRANSLATION IN PLUS-STRAND RNA VIRUSES
正链 RNA 病毒中帽子独立翻译的调控
- 批准号:
1818229 - 财政年份:2018
- 资助金额:
$ 6.14万 - 项目类别:
Continuing Grant
Translational Enhancement by tRNA Mimics
tRNA 模拟物的翻译增强
- 批准号:
1411836 - 财政年份:2015
- 资助金额:
$ 6.14万 - 项目类别:
Continuing Grant
Conference Grant: Plant Virology Satellite Symposium at the 33rd Annual Meeting of the American Society of Virology
会议资助:美国病毒学会第33届年会植物病毒学卫星研讨会
- 批准号:
1425849 - 财政年份:2014
- 资助金额:
$ 6.14万 - 项目类别:
Standard Grant
Conference: Plant Virology Satellite Symposium for 31st Annual Meeting of American Society of Virology, July 21-25, 2012 at the Monona Terrace Convention Center in Madison, WI
会议:美国病毒学学会第 31 届年会植物病毒学卫星研讨会,2012 年 7 月 21-25 日在威斯康星州麦迪逊莫诺纳台会议中心举行
- 批准号:
1226763 - 财政年份:2012
- 资助金额:
$ 6.14万 - 项目类别:
Standard Grant
Analysis of a ribosome-binding 3' translational enhancer in a plus-strand RNA virus
正链 RNA 病毒中核糖体结合 3 翻译增强子的分析
- 批准号:
1157906 - 财政年份:2012
- 资助金额:
$ 6.14万 - 项目类别:
Standard Grant
Improving high school biology instruction in PG county Maryland (August 2006)
改善马里兰州 PG 县的高中生物教学(2006 年 8 月)
- 批准号:
0615847 - 财政年份:2006
- 资助金额:
$ 6.14万 - 项目类别:
Standard Grant
Interaction between host RNA silencing and viral infection in plants
植物中宿主RNA沉默与病毒感染之间的相互作用
- 批准号:
0615154 - 财政年份:2006
- 资助金额:
$ 6.14万 - 项目类别:
Continuing Grant
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