Motility Assay (IMAGE) Hokkaido University Caption In the motility assay, microtubules are propelled by kinesin motors attached to the substrate surface. Credit Munmun, T. et. al., <em>Chemical Communications</em>, Dec. 26, 2019 Usage Restrictions This illustration is copyrighted and can be used for reporting this research without obtaining a permission if credited as instructed. 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.