Biophysical studies of the translation initiation pathway using immobilised mRNA analogues

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McCarthy, John E. G. ; Marsden, Steven ; von der Haar, Tobias (2007)

A growing number of biophysical techniques use immobilized reactants for the quantitative study of macromolecular reactions. Examples of such approaches include surface plasmon resonance, atomic force microscopy, total reflection fluorescence microscopy, and others. Some of these methods have already been adapted for work with immobilized RNAs, thus making them available for the study of many reactions relevant to translation. Published examples include the study of kinetic parameters of protein/RNA interactions and the effect of helicases on RNA secondary structure. The common denominator of all of these techniques is the necessity to immobilize RNA molecules in a functional state on solid supports. In this chapter, we describe a number of approaches by which such immobilization can be achieved, followed by two specific examples for applications that use immobilized RNAs.
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