Tracking a growing root tip (VIDEO) Duke University This video is under embargo. Please login to access this video. Caption Time-lapse footage of a threadlike Arabidopsis root as it grows. Each fluorescent blue dot marks the nucleus of a cell that’s in the process of dividing to produce new cells, which will go on to form the different tissue layers of a healthy root. Credit Courtesy of the Benfey lab, Duke University Usage Restrictions Please credit Benfey lab, Duke University 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.