L22 variant (IMAGE) University of California - San Diego Caption A magnified view of the ribosome variant within Bacillus subtilis known as L22 (black) and surrounding magnesium ions (green dots). Credit Ashley Moon, Süel Lab, UC San Diego Usage Restrictions Must be used in conjunction with Science Advances paper on magnesium and antibiotic-resistant bacteria. 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.