<i>Listeria monocytogenes</i> (IMAGE) Institut Pasteur Caption Listeria monocytogenes (in red) infecting tissue cells. Credit © Institut Pasteur 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.