Cutting the Cohesin (IMAGE) Universität Bayreuth Caption The separase cuts the cohesin rings, which hold the sister chromatids together. These then migrate to the opposite poles of the spindle apparatus. Credit Graphic: Olaf Stemmann. Usage Restrictions None 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.