images of Pilus Pulling DNA (IMAGE) Indiana University Caption The upper images show a bacterial pilus (in green) latching onto a piece of DNA (in red) and pulling it back into the cell, the first steps in the DNA uptake process. The lower images show the same cells without the florescent dyes. Credit Ankur Dalia, Indiana University Usage Restrictions Credit Ankur Dalia, Indiana University 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.