4.8 Article

Super-resolution imaging in live Caulobacter crescentus cells using photoswitchable EYFP

Journal

NATURE METHODS
Volume 5, Issue 11, Pages 947-949

Publisher

NATURE PUBLISHING GROUP
DOI: 10.1038/nmeth.1258

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Funding

  1. US National Institutes of Health [1P20HG003638, 1R01GM085437, R01GM051426, F32GM080008]
  2. National Science Foundation Graduate Research Fellowship

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The commonly used, monomeric EYFP enabled imaging of intracellular protein structures beyond the optical resolution limit ('super-resolution' imaging) in living cells. By combining photoinduced activation of single EYFP fusions and time-lapse imaging, we obtained sub-40 nm resolution images of the filamentous superstructure of the bacterial actin protein MreB in live Caulobacter crescentus cells. These studies demonstrated that EYFP is a useful emitter for in vivo super-resolution imaging.

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