STIV Budding (IMAGE) Indiana University Caption This is a scanning electron micrograph of Sulfolobus solfataricus cells infected with STIV, showing pyramid-like structures on the surface of the cell. Credit Montana State University 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.