The Photoreceptor PAL (IMAGE) University of Bonn Caption The photoreceptor PAL binds short ribonucleic acids upon blue light irradiation. This light-controlled activity can be used to regulate RNA-based processes such as translation. Credit © Andreas Möglich/Uni Bayreuth 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.