About the Authors
Howard Hughes Medical Institute, Eugene, Oregon, United States of America
Center for Ecology and Evolutionary Biology, University of Oregon, Eugene, Oregon, United States of America
School of Biological Sciences, University of Queensland, Brisbane, Australia
Biochemistry Department, Emory University School of Medicine, Atlanta, Georgia, United States of America
The authors have declared that no competing interests exist.
The author(s) have made the following declarations about their contributions: Conceived and designed the experiments: JTB EO BMD JWT. Performed the experiments: JTB GNE CL KD MJH MG EO JWT. Analyzed the data: JTB GNE CL KD MJH MG EO BMD JWT. Wrote the paper: JWT.