Special Reviews

The Fluorescent Toolbox for Assessing Protein Location and Function

Science  14 Apr 2006:
Vol. 312, Issue 5771, pp. 217-224
DOI: 10.1126/science.1124618

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Abstract

Advances in molecular biology, organic chemistry, and materials science have recently created several new classes of fluorescent probes for imaging in cell biology. Here we review the characteristic benefits and limitations of fluorescent probes to study proteins. The focus is on protein detection in live versus fixed cells: determination of protein expression, localization, activity state, and the possibility for combination of fluorescent light microscopy with electron microscopy. Small organic fluorescent dyes, nanocrystals (“quantum dots”), autofluorescent proteins, small genetic encoded tags that can be complexed with fluorochromes, and combinations of these probes are highlighted.

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