Journal of Innovative Optical Health Sciences, 2016, 9 (3): 1630009, Published Online: Dec. 27, 2018  

Extending the spatiotemporal resolution of super-resolution microscopies using photomodulatable fluorescent proteins

Author Affiliations
1 Key Laboratory of RNA Biology, Institute of Biophysics Chinese Academy of Sciences Beijing, 100101, P.R. China
2 Beijing Key Laboratory of Noncoding RNA Institute of Biophysics Chinese Academy of Sciences, Beijing, 100101, P.R. China
3 Graduate School of the Chinese Academy of Sciences Beijing, P.R. China
Abstract
In the past two decades, various super-resolution (SR) microscopy techniques have been developed to break the diffraction limit using subdiffraction excitation to spatially modulate the fluorescence emission. Photomodulatable fluorescent proteins (FPs) can be activated by light of specific wavelengths to produce either stochastic or patterned subdiffraction excitation, resulting in improved optical resolution. In this review, we focus on the recently developed photomodulatable FPs or commonly used SR microscopies and discuss the concepts and strategies for optimizing and selecting the biochemical and photophysical properties of PMFPs to improve the spatiotemporal resolution of SR techniques, especially time-lapse live-cell SR techniques.

Mingshu Zhang, Zhifei Fu, Pingyong Xu. Extending the spatiotemporal resolution of super-resolution microscopies using photomodulatable fluorescent proteins[J]. Journal of Innovative Optical Health Sciences, 2016, 9(3): 1630009.

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