Recent advances and current trends in cryo-electron microscopy.

Recent advances and current trends in cryo-electron microscopy.
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DOI:
10.1016/j.sbi.2022.102484
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发表时间:
2022-12
影响因子:
6.8
通讯作者:
Loerch, Sarah
Loerch, Sarah
中科院分区:
生物学2区
文献类型:
--
作者:
Guaita, Margherita;Watters, Scott C.;Loerch, Sarah

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在过去的十年中,低温电子显微镜(cryo-EM)工作流程的所有步骤都在迅速发展。单粒子分析(SPA)和低温电子显微镜(cryo-ET)的发展促进了高分辨率生物分子结构的测定,这些结构是其他方法无法处理的。然而,挑战依然存在。对于SPA,这些包括在另一个维度上的改进分辨率:时间。对于cryo-ET,这些包括访问细胞的难以成像的区域和寻找稀有分子。最后,需要自动化和更快的工作流程,因为许多项目受到吞吐量的限制。在这里,我们回顾了SPA cryo-EM和cryo-ET推动这些边界的当前发展。总的来说,这些进展有望推动我们对大分子过程的时空理解。
All steps of cryogenic electron-microscopy (cryo-EM) workflows have rapidly evolved over the last decade. Advances in both single-particle analysis (SPA) cryo-EM and cryo-electron tomography (cryo-ET) have facilitated the determination of high-resolution biomolecular structures that are not tractable with other methods. However, challenges remain. For SPA, these include improved resolution in an additional dimension: time. For cryo-ET, these include accessing difficult-to-image areas of a cell and finding rare molecules. Finally, there is a need for automated and faster workflows, as many projects are limited by throughput. Here, we review current developments in SPA cryo-EM and cryo-ET that push these boundaries. Collectively, these advances are poised to propel our spatial and temporal understanding of macromolecular processes.
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