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在质膜用新型荧光探针磷脂酰-4,5-二磷酸的单分子超分辨率成像
JoVE 신문
생화학
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JoVE 신문 생화학
Single-molecule Super-resolution Imaging of Phosphatidylinositol 4,5-bisphosphate in the Plasma Membrane with Novel Fluorescent Probes
DOI:

07:26 min

October 15, 2016

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Chapters

  • 00:05Title
  • 01:03Membrane Sheet Preparation and Fixation
  • 02:53Photoactivation Localization Microscopy (PALM) Image Acquisition
  • 05:40Results: Images of PI(4,5)P2 and iRFP-PAmCherry1-PHPLCδ1 Labeled INS-1 Cells
  • 06:56Conclusion

Summary

자동 번역

PI(4,5)P2调节各种细胞功能,但其在细胞质膜的纳米级组织知之甚少。由标记的PI(4,5)P 2与融合于普列克底物蛋白同源结构域的双色荧光探针,我们描述了一种新的方法来研究的PI(4,5)P2在质膜2的空间分布在纳米尺度。

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