About the Authors

Margaret R. Woodhouse

branwen@berkeley.edu

Affiliation Department of Plant and Microbial Biology, University of California Berkeley, Berkeley, California, United States of America

Brent Pedersen

Affiliation Department of Plant and Microbial Biology, University of California Berkeley, Berkeley, California, United States of America

Michael Freeling

Affiliation Department of Plant and Microbial Biology, University of California Berkeley, Berkeley, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MRW BP MF. Performed the experiments: MRW BP. Analyzed the data: MRW BP MF. Contributed reagents/materials/analysis tools: MF. Wrote the paper: MRW MF.