About the Authors

Wesley A. Dunnick

wesadunn@umich.edu

Affiliation Department of Microbiology and Immunology, University of Michigan Medical School, Ann Arbor, Michigan, United States of America

Jian Shi

Affiliation Department of Microbiology and Immunology, University of Michigan Medical School, Ann Arbor, Michigan, United States of America

Clinton Fontaine

Affiliation Department of Microbiology and Immunology, University of Michigan Medical School, Ann Arbor, Michigan, United States of America

John T. Collins

Affiliation Department of Microbiology and Immunology, University of Michigan Medical School, Ann Arbor, Michigan, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WAD JTC. Performed the experiments: WAD JS CF JTC. Analyzed the data: WAD JTC. Contributed reagents/materials/analysis tools: WAD JS CF JTC. Wrote the paper: WAD JTC.