E. coli Cultures (IMAGE) Michigan State University Caption E. coli cultures in the laboratory of Michigan State University evolutionary biologist Richard Lenski. Credit Greg Kohuth, Michigan State University Usage Restrictions Use only in association with this news release. 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.