Spindle reorganizes (VIDEO) Northwestern University This video is under embargo. Please login to access this video. Caption Spindle without the motor protein dynein. After the spindle breaks apart, microtubule bundles reorganize around individual chromosomes. Shortly after reorganization, anaphase-like separation occurs synchronously across all chromosomes. Credit Sadie Wignall/Northwestern University/eLife Usage Restrictions Add credit 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.