Part:BBa_K1614015:Experience

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Applications of BBa_K1614015

Along with the ATP Aptamer JAWS1 Spinach2 (BBa_K1614014), ATP Aptamer JAWS2 Spinach2 (BBa_K1614015) was generated by the software JAWS that was designed by the iGEM Team Heidelberg 2015. The ATP Aptamer JAWS2 Spinach2 was transcribed using T7 RNA Polymerase and purified by denaturing polyacrylamide gel electrophoresis. Spectra have shown that the ATP Aptamer JAWS2 Spinach2 has the highest peak of all tested ATP Aptamer Spinach2 variations. This ATP dependent Spinach2 was designed for the detection of ATP in dynamic biochemical reactions, but its strong stemming does not allow the sensing of ATP in dynamic processes. Hence, sensor can be probably applied for in vivo imaging experiments.

Establishment of a system to sense small molecule using the Spinach2 Aptamer. (A)</b> Emission spectrum of the original Spinach2 Aptamer, which was applied as an internal control. (B) As another internal control, we reproduce the data for the c-di-GMP Spinach2 system, published by Kellenberger et al.. Indeed, highest fluorescence maximum for the c-di-GMP Spinach2 system was measured in presence of the ligand. (C) Analysis of the fluorescent properties of our ATP Aptamer Spinach2 constructs. The Spinach2 containing the Szostak ATP Aptamer shows the lowest fluorescence of all three ATP Aptamer Spinach2 variations. The JAWS-generated ATP AptamerJAWS1 Spinach2 and the ATP AptamerJAWS2 Spinach2 show higher fluorescence maxima in presence of ATP.

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