About the Authors

Zehra Ali-Murthy

Affiliation Cardiovascular Research Institute, University of California San Francisco, San Francisco, California, United States of America

Susan E. Lott

Current address: Department of Evolution and Ecology, University of California Davis, Davis, California, United States of America

Affiliation Department of Molecular and Cell Biology, University of California Berkeley, Berkeley, California, United States of America

Michael B. Eisen

Affiliations Department of Molecular and Cell Biology, University of California Berkeley, Berkeley, California, United States of America, Howard Hughes Medical Institute, University of California Berkeley, Berkeley, California, United States of America

Thomas B. Kornberg

tkornberg@ucsf.edu

Affiliation Cardiovascular Research Institute, University of California San Francisco, San Francisco, California, United States of America

Competing Interests

MBE is a cofounder and member of the Board of Directors of PLOS. The other authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ZA-M SEL MBE TBK. Performed the experiments: ZA-M SEL. Analyzed the data: ZA-M SEL MBE TBK. Contributed reagents/materials/analysis tools: ZA-M SEL MBE. Wrote the paper: TBK.