Keeping Plant-Cell Motors on Track (image) Washington University in St. Louis Share Print E-Mail Caption Biologists at Washington University in St. Louis have discovered the molecular brakeman that holds kinesins in check until it's their turn to move. (From left:) Ram Dixit, Anindya Ganguly, Graham Burkart and Yuanwei Fan. Credit Joe Angeles/Washington University Usage Restrictions For editorial purposes only 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.