Dorrestein Lab 2 (IMAGE) University of California - San Diego Caption Helena Mannochio-Russo, shown in this image, and Ipsita Mohanty collaborated to conduct mass spectrometry experiments that led to the identification of thousands of new bile acids, a type of molecule used by microbes to communicate. Credit UC San Diego Health Sciences Usage Restrictions Use photo credit License Original 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.