Engineering <i>Bacteroides</i> (IMAGE) Cell Press Caption The development of genetic parts to precisely program the human commensal gut bacterium Bacteroides thetaiotaomicron lays the foundation for microbiome engineering. Credit Mimee and Tucker et al./<I>Cell Systems</I> 2015 Usage Restrictions Credit Required. 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.