About the Authors
BIO5 Institute, University of Arizona, Tucson, Arizona, United States of America
Arizona Genomics Institute, Department of Plant Sciences, University of Arizona, Tucson, Arizona, United States of America
Department of Biology, Stanford University, Stanford, California, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: CS AD VW YY. Performed the experiments: AA KC MW EA. Analyzed the data: CS AD MB JC JF YY. Contributed reagents/materials/analysis tools: DK MB LB DM VW. Wrote the paper: CS AD VW YY.