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Nat Methods. 2010 Sep;7(9):717-9. doi: 10.1038/nmeth.1489. Epub 2010 Aug 8.

Live-cell super-resolution imaging with trimethoprim conjugates.

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1
Department of Chemistry, Columbia University, New York, NY, USA.

Abstract

The spatiotemporal resolution of subdiffraction fluorescence imaging has been limited by the difficulty of labeling proteins in cells with suitable fluorophores. Here we report a chemical tag that allows proteins to be labeled with an organic fluorophore with high photon flux and fast photoswitching performance in live cells. This label allowed us to image the dynamics of human histone H2B protein in living cells at approximately 20 nm resolution.

PMID:
20693998
DOI:
10.1038/nmeth.1489
[Indexed for MEDLINE]
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