Sulfolobus Spindle-Shaped Virus 1 (IMAGE) Portland State University Caption A vector image of the structure of Sulfolobus spindle-shaped virus 1. Researchers hope to generate a clearer and more detailed structure of the virus with the NSF grant. Credit Courtesy of Ken Stedman Usage Restrictions None 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.