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相关概念视频

Cryo-electron Microscopy01:28

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Conventional electron microscopy (EM) involves dehydration, fixation, and staining of biological samples, which distorts the native state of biological molecules and results in several artifacts. Also, the high-energy electron beam damages the sample and makes it difficult to obtain high-resolution images. These issues can be addressed using cryo-EM, which uses frozen samples and gentler electron beams. The technique was developed by Jacques Dubochet, Joachim Frank, and Richard Henderson, for...
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Electron Microscope Tomography and Single-particle Reconstruction01:07

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Transmission electron microscopy (TEM) can be used to determine the 3D structure of biological samples with the help of techniques such as electron microscope tomography and single-particle reconstruction. While single-particle reconstruction can examine macromolecules and macromolecular complexes in vitro conditions only, tomography permits the study of cell components or small cells in vivo.
Electron Tomography
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相关实验视频

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Correlative Microscopy for 3D Structural Analysis of Dynamic Interactions
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3D冷相对方法研究病毒结构和细胞内的动力学.

Rocío Arranz1, Francisco Javier Chichón1, Ana Cuervo1

  • 1Department of Macromolecular Structure, Centro Nacional de Biotecnología (CNB-CSIC), Madrid, Spain.

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概括
此摘要是机器生成的。

相对显微镜可视化了宿主细胞内的病毒组合. 这项技术结合了光线和高分辨率成像,以在现场描述病毒形态发生和感染动态.

关键词:
相对显微镜是相对显微镜.低温电子断层扫描 (Cryogenic electron tomography) 是一种低温的电子断层扫描技术.低温聚焦离子束扫描电子显微镜低温柔软X射线断层扫描技术电子显微镜的电子显微镜拉梅拉制备剂 拉梅拉制备样品的玻璃化方法超高分辨率显微镜的使用方法病毒工厂的病毒工厂病毒的形态发生.可见光显微镜可见光显微镜卷电子显微镜的体积电子显微镜.容量成像成像 容量成像在X射线显微镜中使用X射线显微镜.

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科学领域:

  • 病毒学 病毒学
  • 细胞生物学 细胞生物学
  • 显微镜的使用方法

背景情况:

  • 病毒复制取决于宿主细胞,并涉及动态的细胞内阶段.
  • 在现场研究这些动态的病毒过程是具有挑战性的,因为它们的短暂性质和与细胞活动的重叠.

研究的目的:

  • 为研究病毒形态发生引入相关的三维 (3D) 成像方法.
  • 在接近本地条件下使病毒生命周期的细胞内阶段能够在现场进行表征.

主要方法:

  • 相对显微镜将可见光显微镜与高分辨率成像技术相结合.
  • 这种方法允许标记,本地化和功能性特征以及结构性见解.

主要成果:

  • 相对成像为细胞背景中的亚细胞事件提供了全面的视图.
  • 它有助于探索病毒形态发生和其他细胞内病毒循环阶段.

结论:

  • 相对的3D成像对于理解病毒形态发生和细胞内病毒动态至关重要.
  • 将全细胞成像与高分辨率结构生物学相结合,是破译病毒后代产生和传播机制的关键.