About the Authors

Jennifer C. Jackson

Affiliation Department of Biology, Texas A & M University, College Station, Texas, United States of America

Laura A. Higgins

Affiliation Department of Biology, Texas A & M University, College Station, Texas, United States of America

Xiaorong Lin

xlin@mail.bio.tamu.edu

Affiliation Department of Biology, Texas A & M University, College Station, Texas, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JCJ XL. Performed the experiments: JCJ LAH XL. Analyzed the data: JCJ XL. Contributed reagents/materials/analysis tools: XL. Wrote the paper: XL. Wrote part of the paper: JCJ.