Auxin Signaling (IMAGE) Cold Spring Harbor Laboratory Caption On the cover of "Auxin Signaling," the structure of auxin is shown in orange in the foreground, and auxin concentrations in a simulation of mid-vein formation are shown in the background. Credit Cold Spring Harbor Laboratory Press 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.