<i>Bacteroides thetaiotaomicron</i> (IMAGE) Norwich BioScience Institutes Caption This shows Bacteroides thetaiotaomicron gut bacteria. Credit Kathryn Cross & Nikki Horn, Institute of Food Research 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.