<i>L. monocytogenes</i> (IMAGE) Umea University Caption This image shows the infection and ability to grow inside the human epithelial cells with L. monocytogenes, in absence (left picture) or presence (right picture) of 2-pyridones. Bacteria are shown in orange and Hep-2 cells in green. Credit Johnny Mikaelsson 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.