Streptomyces sample (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption During experiments at DOE's Joint BioEnergy Institute, researchers observed an engineered strain of the bacteria Streptomyces as it produced cyclopropanes, high-energy molecules that could potentially be used in the sustainable production of novel bioactive compounds and advanced biofuels. Credit Jing Huang/Berkeley Lab Usage Restrictions Credit Jing Huang/Berkeley Lab 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.