About the Authors

Xiaolin Zhang

Affiliation Cellular and Molecular Biology, University of Wisconsin-Madison, Madison, Wisconsin, United States of America

Jennifer L. Reed

reed@engr.wisc.edu

Affiliation Department of Chemical and Biological Engineering, University of Wisconsin-Madison, Madison, Wisconsin, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: XZ JLR. Performed the experiments: XZ. Analyzed the data: XZ. Wrote the paper: XZ JLR.