Polio virus animation (VIDEO) Umea University This video is under embargo. Please login to access this video. Caption If the cell’s protein ULK1 is inhibited, the virus production in the cells is drastically increased. This explains why poliovirus tries to degrade ULK1. The animation shows different viewpoints of a poliovirus-infected cell in which the researchers have completely inactivated ULK1 and a arge number of new virus particles have formed (in red). Credit Selma Dahmane, Umeå University, Sweden Usage Restrictions Media use 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.