About the Authors

Sumit Dhole

sumit@live.unc.edu

Affiliation Department of Biology, University of North Carolina, Chapel Hill, North Carolina, United States of America

Karin S. Pfennig

Affiliation Department of Biology, University of North Carolina, Chapel Hill, North Carolina, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SD KSP. Performed the experiments: SD. Analyzed the data: SD. Contributed reagents/materials/analysis tools: SD KSP. Wrote the paper: SD KSP.