About the Authors

Kevin L. Hockett

Current address: School of Plant Sciences, University of Arizona, Tucson, Arizona, United States of America

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

Adrien Y. Burch

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

Steven E. Lindow

icelab@berkeley.edu

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

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KLH AYB SEL. Performed the experiments: KLH AYB. Analyzed the data: KLH AYB. Contributed reagents/materials/analysis tools: KLH AYB. Wrote the paper: KLH AYB SEL.