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Biology
活体哺乳动物细胞器中单膜蛋白的多色定位显微术
活体哺乳动物细胞器中单膜蛋白的多色定位显微术
JoVE Journal
Biology
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JoVE Journal Biology
Multi-color Localization Microscopy of Single Membrane Proteins in Organelles of Live Mammalian Cells

活体哺乳动物细胞器中单膜蛋白的多色定位显微术

Full Text
9,086 Views
11:06 min
June 30, 2018

DOI: 10.3791/57690-v

Timo Appelhans1, Felix R.M. Beinlich1, Christian P. Richter1, Rainer Kurre2, Karin B. Busch1,3

1School of Biology,University of Osnabrück, 2Center of Cellular Nanoanalytics, Integrated Bioimaging Facility,University of Osnabrück, 3Department of Biology,WWU Münster

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Please note that some of the translations on this page are AI generated. Click here for the English version.

在这里, 我们提出了一个协议的多颜色本地化的单膜蛋白在细胞器的活体细胞。要附加显影, 使用自贴标蛋白。蛋白质, 位于同一细胞器的不同的细胞膜车厢, 可以本地化的精度为 18 nm。

该技术可以回答调节过程中的关键问题,例如蛋白质动力学和组织在功能适应中的作用。该技术的主要优点是可以在活细胞中完成,从而在单分子水平上揭示蛋白质动力学。虽然这种方法最初是为了提供对线粒体膜蛋白时空组织的见解,但它也可以应用于其他细胞器和其他膜蛋白。

演示这项技术的将是我实验室的研究生 Timo Appelhans。根据文本方案转染和制备细胞样品和显微镜后,将制备好的样品与荧光珠一起安装在 PTFE 环和红色橡胶环之间的样品架中。启动显微镜、显微镜所需的所有硬件组件和所有软件。

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