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Bibliographic Data

  • Authors: Schmidt R., Wurm C.A., Punge A., Egner A., Jakobs S., Hell S.W.
  • Title: Mitochondrial Cristae Revealed with Focused Light
  • Journal: Nano Letters
  • Volume: 9
  • Volume: 2508-2510
  • DOI: 10.1021/nl901398t
  • Highlighted in Spiegel Online.


Because of the diffraction resolution barrier, optical microscopes have so far failed in visualizing the mitochondrial cristae, that is, the folds of the inner membrane of this 200 to 400 nm diameter sized tubular organelle. Realizing a similar to 30 nm isotropic subdiffraction resolution in isoSTED fluorescence nanoscopy, we have visualized these essential structures in the mitochondria of intact cells. We find a pronounced heterogeneity in the cristae arrangements even within individual mitochondrial tubules.