Adaptive Gene Response (image) DOE/Lawrence Berkeley National Laboratory Caption In a study of the microbe S. oneidensis MR-1's ability to genetically adapt to environmental changes, Berkeley Lab researchers found that out of 3,247 protein-coding genes only 5 percent showed a correlation between expression and fitness. Credit (Image courtesy of Adam Arkin, Morgan Price, et. al, Berkeley Lab) Usage Restrictions None 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.