Field sampling (IMAGE) DOE/Oak Ridge National Laboratory Caption ORNL’s Chris Schadt prunes high branches from 12-year-old poplar trees in Oregon for samples as part of a multi-omics study of microbiome dynamics. Credit Melanie Mayes, ORNL/U.S. Dept. of Energy 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.