Biology -- Lurking Mouth Microbes (IMAGE) DOE/Oak Ridge National Laboratory Caption By isolating the D. oralis, ORNL scientists could better understand how the microbes may have adapted and evolved to become dependent on other oral bacteria, as well as how losing or acquiring genes can make them friend or foe. Credit Karissa Cross/Oak Ridge National Laboratory, US Dept. of Energy Usage Restrictions None License Licensed 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.