<i>Agrobacterium tumefaciens</i> Cells (IMAGE) Indiana University Caption A group of crown-gall-disease-causing Agrobacterium tumefaciens cells as imaged by scanning electron micrograph at Indiana University. Credit Image by Jing Xu, IU Biology 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.