BMV viruses assembling (VIDEO) San Diego State University 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 Recorded with the iSCAT microscope, this video shows individual BMV viruses assembling at 55x normal speed. Each dark spot is a different virus particle and the darkness of the spot indicates its size. Different particles appear at different times, providing evidence that the viruses assemble in two phases - nucleation and growth. Credit SDSU Usage Restrictions Video may be used in conjunction with a story about this research only. 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.