Methanotrophs (IMAGE) DOE/Oak Ridge National Laboratory Caption Researchers gained new insights into the mechanisms some methane-feeding bacteria called methanotrophs (pictured) use to break down the toxin methylmercury. Credit Andy Sproles/ORNL, U.S. Dept. of Energy; Jeremy Semrau/Univ. of Michigan Usage Restrictions No restriction on use 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.