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delete2026-08-11
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PRE
AI
A
Ali H. Shaib *
M
Mohamad Mahdi Alawieh
S
Silvio O. Rizzoli *
DOI:10.1038/s41596-026-01399-xdelete
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摘要

摘要

En 中文
十年前,引入膨胀显微技术(ExM)标志着超分辨率成像领域的一次变革,通过物理分离荧光团绕过衍射极限。此后,多项ExM技术的改进扩展了该方法的应用范围,但分子尺度分辨率仍无法实现。我们近期开发了一步纳米级ExM技术,将ExM与基于涨落的超分辨率分析相结合,能够在常规荧光显微镜下直接可视化单个蛋白质的形状,这一能力此前仅限于冷冻电子显微镜和基于平均的技术。本文提供了凝胶包埋、标记、膨胀、图像采集和数据分析的详细步骤,并介绍了一个稳定且用户友好的软件包用于高效涨落分析。尽管一步纳米级ExM适用于多种样品,包括纯化蛋白质、细胞和组织,但其最显著的贡献在于使单蛋白质形状分析变得可及且可重复。总体而言,我们为常规设备上的蛋白质成像提供了一个实用框架。一种将膨胀显微技术与基于涨落的超分辨率分析相结合的方法,使通过常规荧光显微镜可视化单个蛋白质成为可能。

期刊

Nature Protocols 封面图
Nature Protocols
IF:
16
论文数:
4.0K
被引数:
5.6W

机构

D
department of neuro- and sensory physiology
学者数:
4
论文数: 1
被引数: 0
引用论文

引用论文

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