Effects of U1 snRNP reduction (IMAGE) Martin-Luther-Universität Halle-Wittenberg Caption Images of the model plant Arabidopsis thaliana. In the plant on the right, the activity of the protein-RNA complex "U1 snRNP" was artificially reduced. The plants are 21 days old. Credit Anchilie Mangilet Usage Restrictions Only use with appropriate credit for covering the research License Original 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.