Subdiffraction-resolution fluorescence imaging of proteins in the mitochondrial inner membrane with photoswitchable fluorophores

van de Linde S, Sauer M, Heilemann M (2008)
JOURNAL OF STRUCTURAL BIOLOGY 164(3): 250-254.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Abstract / Bemerkung
Understanding the structural organization of biomolecules in cells, sub-cellular compartments or membranes requires non-invasive methods of observation that provide high spatial resolution. Recent advancements in fluorescence microscopy paved the way for novel super-resolution observations with an optical resolution well below the diffraction barrier of light. Here, we demonstrate that commercially available standard fluorescent probes, i.e. Alexa 647 labeled antibodies, can be used as efficient photoswitches. In combination with localization microscopy approaches the method is ideally suited to study the spatial organization of proteins in sub-cellular structures and membranes. The simplicity of the method lies in the fact that standard immunocytochemistry assays together with photoswitchable carbocyanine fluorophores and conventional total internal reflection fluorescence (TIRF) microscopy can be used to achieve a lateral resolution of similar to 20 nm. We demonstrate subdiffraction-resolution fluorescence imaging of intracellular F0F1-ATP synthase and cytochrome c oxidase in the inner membrane of mitochondria. Besides the high localization precision of individual proteins we demonstrate how quantitative data, i.e. the protein distribution in the membrane, can be derived and compared. (C) 2008 Elsevier Inc. All rights reserved.
Stichworte
Subdiffraction-resolution; dSTORM; Super-resolution; Single-molecule spectroscopy; Mitochondria; Molecular quantification
Erscheinungsjahr
2008
Zeitschriftentitel
JOURNAL OF STRUCTURAL BIOLOGY
Band
164
Ausgabe
3
Seite(n)
250-254
ISSN
1047-8477
Page URI
https://pub.uni-bielefeld.de/record/1634799

Zitieren

van de Linde S, Sauer M, Heilemann M. Subdiffraction-resolution fluorescence imaging of proteins in the mitochondrial inner membrane with photoswitchable fluorophores. JOURNAL OF STRUCTURAL BIOLOGY. 2008;164(3):250-254.
van de Linde, S., Sauer, M., & Heilemann, M. (2008). Subdiffraction-resolution fluorescence imaging of proteins in the mitochondrial inner membrane with photoswitchable fluorophores. JOURNAL OF STRUCTURAL BIOLOGY, 164(3), 250-254. doi:10.1016/j.jsb.2008.08.002
van de Linde, S., Sauer, M., and Heilemann, M. (2008). Subdiffraction-resolution fluorescence imaging of proteins in the mitochondrial inner membrane with photoswitchable fluorophores. JOURNAL OF STRUCTURAL BIOLOGY 164, 250-254.
van de Linde, S., Sauer, M., & Heilemann, M., 2008. Subdiffraction-resolution fluorescence imaging of proteins in the mitochondrial inner membrane with photoswitchable fluorophores. JOURNAL OF STRUCTURAL BIOLOGY, 164(3), p 250-254.
S. van de Linde, M. Sauer, and M. Heilemann, “Subdiffraction-resolution fluorescence imaging of proteins in the mitochondrial inner membrane with photoswitchable fluorophores”, JOURNAL OF STRUCTURAL BIOLOGY, vol. 164, 2008, pp. 250-254.
van de Linde, S., Sauer, M., Heilemann, M.: Subdiffraction-resolution fluorescence imaging of proteins in the mitochondrial inner membrane with photoswitchable fluorophores. JOURNAL OF STRUCTURAL BIOLOGY. 164, 250-254 (2008).
van de Linde, Sebastian, Sauer, Markus, and Heilemann, Mike. “Subdiffraction-resolution fluorescence imaging of proteins in the mitochondrial inner membrane with photoswitchable fluorophores”. JOURNAL OF STRUCTURAL BIOLOGY 164.3 (2008): 250-254.

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