<i>T. brucei</i> Parasite (VIDEO) Rockefeller University Press This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption Researchers show that suppressing expression of a key protein causes major changes in the shape of T. brucei (shown here), the parasite that causes African sleeping sickness. Credit Hayes et al., 2014 Usage Restrictions Reporters may freely use these materials in news coverage, with the appropriate credit information. 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.