Optogenetics on Plants (IMAGE) University of Würzburg Caption Laser light triggers electrical excitations in the leaves, the propagation and consequences of which can then be analysed electrophysiologically. Credit (Picture: Soenke Scherzer & Antonella Reyer / University of Wuerzburg) Usage Restrictions None 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.