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Single-molecule Super-resolution Imaging of Phosphatidylinositol 4,5-bisphosphate in the Plasma Membrane with Novel Fluorescent Probes
章
- 00:05標題
- 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
PI(4,5)P2 regulates various cellular functions, but its nanoscale organization in the cell plasma membrane is poorly understood. By labeling PI(4,5)P2 with a dual-color fluorescent probe fused to the Pleckstrin Homology domain, we describe a novel approach to study the PI(4,5)P2 spatial distribution in the plasma membrane at the nanometer scale.
タグ
Single-molecule Super-resolution ImagingPhosphatidylinositol 45-bisphosphatePlasma MembraneFluorescent ProbesNanoscale DistributionPhosphoinositide SignalingHigh Spatial ResolutionDetergent-freePlasma Membrane Sheet PreparationPhosphoinositide LabelingSingle-molecule Fluorescence ImagingSingle-molecule LocalizationTIRF MicroscopySMLM
