STED nanoscopy in living cells using fluorogen activating proteins

James A.J. Fitzpatrick, Qi Yan, Jochen J. Sieber, Marcus Dyba, Ulf Schwarz, Chris Szent-Gyorgyi, Carol A. Woolford, Peter B. Berget, Alan S. Waggoner, Marcel P. Bruchez

Research output: Contribution to journalArticlepeer-review

67 Scopus citations


We demonstrate the effectiveness of a genetically encoded malachite green (MG) binding fluorogen activating protein (FAP) for live cell stimulated emission depletion nanoscopy (STED). Both extracellular and intracellular FAPs were tested in living cells using fluorogens with either membrane expressed FAP or as an intracellular FAP-actin fusion. Structures with widths of 110-122 nm were observed. Depletion data, however, suggest a resolution of 70 nm with the given instrument.

Original languageEnglish
Pages (from-to)1843-1847
Number of pages5
JournalBioconjugate Chemistry
Issue number10
StatePublished - Oct 21 2009


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