Journal
CURRENT OPINION IN CHEMICAL BIOLOGY
Volume 10, Issue 5, Pages 409-416Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.cbpa.2006.08.021
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Forster resonance energy transfer (FRET) is applied extensively in all fields of biological research and technology, generally as a 'nanoruler' with a dynamic range corresponding to the intramolecular and intermolecular distances characterizing the molecular structures that regulate cellular function. The complex underlying network of interactions reflects elementary reactions operating under strict spatio-temporal control: binding, conformational transition, covalent modification and transport. FRET imaging provides information about all these molecular processes with high specificity and sensitivity via probes expressed by or introduced from the external medium into the cell, tissue or organism. Current approaches and developments in the field are discussed with emphasis on formalism, probes and technical implementation.
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