About the Authors

Timothy S. Ham

Affiliation Department of Bioengineering, University of California, Berkeley, California, United States of America

Sung K. Lee

Affiliation Physical Biosciences Division, Lawrence Berkeley National Laboratory, Berkeley, California, United States of America

Jay D. Keasling

Affiliations Department of Bioengineering, University of California, Berkeley, California, United States of America, Physical Biosciences Division, Lawrence Berkeley National Laboratory, Berkeley, California, United States of America, Department of Chemical Engineering, University of California, Berkeley, California, United States of America

Adam P. Arkin

aparkin@lbl.gov

Affiliations Department of Bioengineering, University of California, Berkeley, California, United States of America, Physical Biosciences Division, Lawrence Berkeley National Laboratory, Berkeley, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TSH. Performed the experiments: TSH SKL. Analyzed the data: TSH SKL JDK APA. Contributed reagents/materials/analysis tools: TSH SKL JDK APA. Wrote the paper: TSH SKL JDK APA.