Macromolecular Crowding Measurements with Genetically Encoded Probes Based on Förster Resonance Energy Transfer in Living Cells

Author(s):  
Sara N. Mouton ◽  
Liesbeth M. Veenhoff ◽  
Arnold J. Boersma
2008 ◽  
Vol 363 (1500) ◽  
pp. 2143-2151 ◽  
Author(s):  
Kazuhiro Aoki ◽  
Etsuko Kiyokawa ◽  
Takeshi Nakamura ◽  
Michiyuki Matsuda

Fluorescence probes based on the principle of Förster resonance energy transfer (FRET) have shed new light on our understanding of signal transduction cascades. Among them, unimolecular FRET probes containing fluorescence proteins are rapidly increasing in number because these genetically encoded probes can be easily loaded into living cells and allow simple acquisition of FRET images. We have developed probes for small GTPases, tyrosine kinases, serine–threonine kinases and phosphoinositides. Images obtained with these probes have revealed that membrane protrusions such as nascent lamellipodia or neurites provide an active signalling platform in the growth factor-stimulated cells.


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