Photostable Fluorescent Tracker for Imaging Mitochondria with Super Resolution.

Anal Chem

State Key Laboratory of Fine Chemicals , Dalian University of Technology, 2 Linggong Road, High-tech District , Dalian 116024 , P. R. China.

Published: December 2019

The power factories in cells, mitochondria, play important roles in all physiological processes. It is reported that progressive mitochondrial swelling and outer mitochondrial membrane rupture could be induced by a wide variety of apoptotic and necrotic stimuli. Regrettably, although a variety of mitochondrial probes have been developed, most of them are based on the detection of active species in mitochondria. Probes that can monitor the status and distribution of mitochondria for a long time are still urgently needed. In this study, a fluorescent sensor with excellent properties, , is described. Outstanding performance allows it to be observed not only in cells but also in living and zebrafish under confocal microscopy for a long time. Moreover, the swelling process of mitochondria under light stimulation is also visualized under super-resolution (SR) microscopy. All these results suggest that could be employed for tagging mitochondria in various physiological processes, which makes a great contribution to the cure of diseases.

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http://dx.doi.org/10.1021/acs.analchem.9b04065DOI Listing

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