'Semi-Synthetic' Bacteria Churn out Unnatural Proteins (image) American Chemical Society Share Print E-Mail Caption Researchers identified this unnatural base pair as being optimal for information storage in a semi-synthetic organism. Credit Adapted from Journal of the American Chemical Society 2019, DOI: 10.1021/jacs.9b02075 Usage Restrictions Image may only be used with the appropriate credit. Share Print E-Mail 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.