When Illuminated (Right) (IMAGE) University of Bonn Caption When illuminated the PAL molecule binds to the aptamer (blue loop at the top left). The label made of regulatory RNA can therefore no longer bind to the mRNA. This way it will not be degraded. Credit © Sebastian Pilsl/AG Mayer/Uni Bonn Usage Restrictions This image may be used together with the press release. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.