Yersinia enterocolitica (image) University of Illinois at Urbana-Champaign Share Print E-Mail Caption Disease-causing bacteria like Yersinia enterocolitica, pictured, communicate with chemical signals that allow them to respond collectively to environmental changes. Researchers hope to harness these signals to fight bacterial infections. Credit Illustration by Jennifer Oosthuizen, CDC Usage Restrictions Illustration by Jennifer Oosthuizen, CDC 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.