PIWI and piRNA Staining (IMAGE) University of Chicago Medical Center Caption This is a picture of germ line cells of C. elegans showing PIWI and piRNAs (red dots) located outside of germ cell nuclei (blue circles) to scan for RNA passengers that move from nuclei to cytoplasm Credit Jordan Brown, UChicago Usage Restrictions Please credit Jordan Brown, UChicago 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.