About the Authors

Andy M. Reynolds

To whom correspondence should be addressed. E-mail: andy.reynolds@bbsrc.ac.uk

Affiliation Rothamsted Research, Harpenden, United Kingdom

Mark A. Frye

Affiliation University of California Los Angeles, Department of Physiological Science, Los Angeles, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MF. Performed the experiments: MF. Analyzed the data: AR. Wrote the paper: AR MF.