Proteasome Activity Was Studied in C. elegans (image) University of Helsinki Share Print E-Mail Caption Left: This is wild-type C. elegans. Right: This shows long-living DAF-2 mutants with decreased insulin/IGF-1 signalling. The green color signifies the expression of ubh-4 in various tissues. Credit Carina Holmber-Still Lab / University of Helsinki Usage Restrictions The image may only be used with appropriate caption and 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.