Frustrating FUS (image) Brown University Share Print E-Mail Caption Tight clumps of green fluorescing FUS form in a non-phosphorylated cell (left), but the FUS remains diffuse and unclumped in a cell with lab-induced phosphorylation. Credit Monahan et. al. Usage Restrictions with credit Share Print E-Mail 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.