Stem Cell Switch in the Root Tip (IMAGE) BIOSS - Centre for Biological Signalling Studies Caption The quiescent center in the root of the rock cress generates signals, thanks to which stem cells remain pluripotent and only certain daughter cells differentiate. Credit Photograph by Working Group Laux Usage Restrictions The image may not be changed and may only be used with the credit 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.