Photo Illustration of Protist Pursuing E. coli (image) University at Buffalo Share Print E-Mail Caption The protist Tetrahymena hunts E. coli in this photo illustration, which features a microscope image of Tetrahymena (left). A new study finds that Shiga toxin may help E. coli survive in the face of such predation. Credit University at Buffalo Usage Restrictions This image may only be used in conjunction with news reports discussing the associated research study. Share Print E-Mail 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.