Shigella Bacteria (IMAGE) Ohio University Caption Bright spots among intestinal cells show where the shigella bacteria were able to replicate, indicating their ability to cause disease. Credit Erin Murphy/Ohio University Usage Restrictions Please credit Ohio University 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.