About the Authors

Mark J. Koenigsknecht

Current address: Division of Infectious Diseases, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, United States of America

Affiliation Department of Bacteriology, University of Wisconsin-Madison, Madison, Wisconsin, United States of America

Jennifer A. Lambrecht

Affiliation Department of Bacteriology, University of Wisconsin-Madison, Madison, Wisconsin, United States of America

Luke A. Fenlon

Affiliation Department of Bacteriology, University of Wisconsin-Madison, Madison, Wisconsin, United States of America

Diana M. Downs

downs@bact.wisc.edu

Affiliation Department of Bacteriology, 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: DMD MJK JAL. Performed the experiments: MJK JAL LAF. Analyzed the data: DMD JAL MJK LAF. Contributed reagents/materials/analysis tools: JAL MJK LAF. Wrote the paper: DMD MJK JAL.