Back to Search
Start Over
Single molecule diffusion analysis on cellular nanotubules: Implications on plasma membrane structure below the diffraction limit
- Source :
- Applied Physics Letters. 91:233901
- Publication Year :
- 2007
- Publisher :
- AIP Publishing, 2007.
-
Abstract
- Cells are frequently interconnected by tunneling nanotubules, recently discovered cylindrical structures which facilitate material exchange. We employed here single molecule fluorescence microscopy to study the diffusion of the glycosylphosphatidylinositol-protein CD59 in the plasma membrane of tunneling nanotubules in living cells at subwavelength resolution. Our study provides the nanotubule radius in vivo, yielding a surprisingly narrow size distribution (7nm standard deviation) around a mean value of 65nm. Moreover, by separating longitudinal and transverse mobilities, we find isotropic diffusion behavior.
Details
- ISSN :
- 10773118 and 00036951
- Volume :
- 91
- Database :
- OpenAIRE
- Journal :
- Applied Physics Letters
- Accession number :
- edsair.doi...........182e298a7ee4d59114a9e836ea7625ac