A cryo-capable electron microscope for the Astbury Biostructure Laboratory

阿斯特伯里生物结构实验室的冷冻电子显微镜

基本信息

  • 批准号:
    BB/W019485/1
  • 负责人:
  • 金额:
    $ 63.5万
  • 依托单位:
  • 依托单位国家:
    英国
  • 项目类别:
    Research Grant
  • 财政年份:
    2022
  • 资助国家:
    英国
  • 起止时间:
    2022 至 无数据
  • 项目状态:
    已结题

项目摘要

Structural biology is a powerful tool in biological discovery. It can reveal the molecular details of how proteins and other molecules interact, and so help us understand fundamental biological processes that have enormous implications in areas as diverse as human/animal health and wellbeing, food security and biotechnology. One of the cornerstones of modern structural biology is a technique called electron microscopy, where powerful microscopes are used to take highly magnified images of biological material such as proteins, from whcih we can work out the three-dimensional structure of the protein complexes. CryoEM (imaging frozen samples) can now address structural problems of unprecedented scale and complexity, and the results are transforming our understanding of biology.The Astbury Biostructure Laboratory at the University of Leeds is an internationally-recognised cryoEM facility that supports large numbers of scientists from Universities and Industry, and from the UK and beyond. We currently operate two ultra-high-end electron microscopes that have just been updated to the latest technology. However when new samples arrive in our facility, and new projects are started, these high-end microscopes sit at the end of a pipeline that starts with lower-end electron microscopes. For every such sample, routine electron microscopes are used to quickly image a sample and assess its quality and suitability for high-resolution imaging. Routine electron microscopes are also absolutely essential to the process of optimising how samples are prepared for high end-imaging. Routine imaging is therefore essential to every project that ultimately leads to a high resolution structures. However, the microscopes available to us for routine imaging at the Astbury Biostructure Laboratory (and the detectors on those microscopes) are rapidly becoming obsolete, becoming difficult and expensive to maintain, and uneconomic or impossible to upgrade. We therefore wish to secure funding from this grant application to buy a new electron microscope, with a modern detector, and modern software allowing remote operation, for routine imaging and sample optimisation. This will allow us to retire two ageing microscopes, reducing our space and costs, and shrinking the carbon footprint of our facility. The new microscope will support all of the exciting structural projects currently underway, and this application describes a subset of these in four major themes: (1) proteins that sit in the protect membranes around cells, (2) the structure and function of viruses; (3) large protein assemblies; and (4) proteins that aggregate. In addition, the Astbury Biostructure Laboratory is now a major centre for cryoEM training, and the new microscope will directly support this activity, helping us to drive an increase in the skills needed to use cryoEM for biological discovery.
结构生物学是生物发现的有力工具。它可以揭示蛋白质和其他分子如何相互作用的分子细节,从而帮助我们了解在人类/动物健康和福祉,食品安全和生物技术等领域具有巨大影响的基本生物过程。现代结构生物学的基石之一是一种称为电子显微镜的技术,其中功能强大的显微镜用于拍摄生物材料(如蛋白质)的高度放大图像,从中我们可以计算出蛋白质复合物的三维结构。CryoEM(冷冻样品成像)现在可以解决前所未有的规模和复杂性的结构问题,其结果正在改变我们对生物学的理解。利兹大学的阿斯特伯里生物结构实验室是一个国际公认的cryoEM设施,支持来自大学和工业界以及英国和其他地区的大量科学家。我们目前拥有两台超高端电子显微镜,这些显微镜刚刚更新到最新技术。然而,当新的样品到达我们的工厂,新的项目开始时,这些高端显微镜位于从低端电子显微镜开始的管道的末端。对于每一个这样的样品,常规电子显微镜用于快速成像样品,并评估其质量和高分辨率成像的适用性。常规电子显微镜对于优化高端成像样品的制备过程也是绝对必要的。因此,常规成像对于最终导致高分辨率结构的每个项目都至关重要。然而,我们在阿斯特伯里生物结构实验室进行常规成像的显微镜(以及这些显微镜上的探测器)正在迅速过时,维修变得困难和昂贵,升级不经济或不可能。因此,我们希望从这项拨款申请中获得资金,购买一台新的电子显微镜,配备现代探测器和现代软件,允许远程操作,用于常规成像和样品优化。这将使我们能够淘汰两台老化的显微镜,减少我们的空间和成本,并减少我们设施的碳足迹。新的显微镜将支持目前正在进行的所有令人兴奋的结构项目,该应用程序描述了四大主题中的一个子集:(1)位于细胞周围保护膜中的蛋白质,(2)病毒的结构和功能;(3)大型蛋白质组装;(4)聚集的蛋白质。此外,阿斯特伯里生物结构实验室现在是cryoEM培训的主要中心,新的显微镜将直接支持这一活动,帮助我们提高使用cryoEM进行生物发现所需的技能。

项目成果

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Neil Ranson其他文献

Neil Ranson的其他文献

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{{ truncateString('Neil Ranson', 18)}}的其他基金

Breaking the Barrier: Mapping protein interactions in the bacterial outer membrane as targets for new antimicrobials
打破障碍:绘制细菌外膜中的蛋白质相互作用作为新抗菌药物的目标
  • 批准号:
    MR/Y012453/1
  • 财政年份:
    2024
  • 资助金额:
    $ 63.5万
  • 项目类别:
    Research Grant
A plasma focused ion beam microscope for Structural Cell Biology at the Astbury Biostructure Laboratory
阿斯特伯里生物结构实验室用于结构细胞生物学的等离子体聚焦离子束显微镜
  • 批准号:
    BB/X019373/1
  • 财政年份:
    2023
  • 资助金额:
    $ 63.5万
  • 项目类别:
    Research Grant
Delivery and clearance of outer membrane proteins to the bacterial outer membrane
外膜蛋白向细菌外膜的递送和清除
  • 批准号:
    BB/X015653/1
  • 财政年份:
    2023
  • 资助金额:
    $ 63.5万
  • 项目类别:
    Research Grant
Unravelling the tissue-specific geography of protein aggregation in human disease
揭示人类疾病中蛋白质聚集的组织特异性地理
  • 批准号:
    MR/W031515/1
  • 财政年份:
    2022
  • 资助金额:
    $ 63.5万
  • 项目类别:
    Research Grant
The Structural Biology of Amyloid Aggregation
淀粉样蛋白聚集的结构生物学
  • 批准号:
    MR/T011149/1
  • 财政年份:
    2020
  • 资助金额:
    $ 63.5万
  • 项目类别:
    Research Grant
A world of virus structures: understanding how non-icosahedral capsids are built
病毒结构的世界:了解非二十面体衣壳是如何构建的
  • 批准号:
    BB/T004525/1
  • 财政年份:
    2020
  • 资助金额:
    $ 63.5万
  • 项目类别:
    Research Grant
Exploiting the power of heterologous expression in plants to discover new virus structure.
利用植物异源表达的力量来发现新的病毒结构。
  • 批准号:
    BB/R00160X/1
  • 财政年份:
    2018
  • 资助金额:
    $ 63.5万
  • 项目类别:
    Research Grant
Untangling the processes of replication in and encapsidation in Picornavirales
解开小核糖核酸病毒目的复制和衣壳化过程
  • 批准号:
    BB/L021250/1
  • 财政年份:
    2014
  • 资助金额:
    $ 63.5万
  • 项目类别:
    Research Grant
Defining the molecular pathway for yeast prion fibril assembly using cryo-electron microscopy
使用冷冻电子显微镜定义酵母朊病毒原纤维组装的分子途径
  • 批准号:
    BB/E01433X/1
  • 财政年份:
    2007
  • 资助金额:
    $ 63.5万
  • 项目类别:
    Research Grant

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评估用于航空航天应用的新型抗疲劳钛合金
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