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Bibliographic Data

  • Authors: Stephan T., Roesch A., Riedel D., Jakobs S.
  • Title: Live-cell STED nanoscopy of mitochondrial cristae
  • Journal: Scientific Reports
  • Volume: 9
  • Volume: 12419
  • DOI: 10.1038/s41598-019-48838-2
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    This publication is one of the Top 100 downloaded Scientific Reports articles in Cell and Molecular Biology of 2019!


Mitochondria are highly dynamic organelles that exhibit a complex inner architecture. They exhibit a smooth outer membrane and a highly convoluted inner membrane that forms invaginations called cristae. Imaging cristae in living cells poses a formidable challenge for super-resolution light microscopy. Relying on a cell line stably expressing the mitochondrial protein COX8A fused to the SNAP-tag and using STED (stimulated emission depletion) nanoscopy, we demonstrate the visualization of cristae dynamics in cultivated human cells. We show that in human HeLa cells lamellar cristae are often arranged in groups separated by voids that are generally occupied by mitochondrial nucleoids.