New Regulator of Asymmetric Cell Division (image) University of Massachusetts at Amherst Share Print E-Mail Caption A field of reconstituted microtubule filaments (blue) visualized at high-resolution shows single molecules of dynein (green) blocked by She1 (magenta) bound along the microtubule track. Zoomed insets show an example of space-time plot analysis by Markus, Kalutkiewicz, and Lee (bottom left) and a cartoon of the specific blockage of dynein by She1 (top right). Credit UMass Amherst Usage Restrictions None Share Print E-Mail 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.