About the Authors

Amanda J. Brosnahan

Current address: Department of Veterinary and Biomedical Sciences, College of Veterinary Medicine, University of Minnesota, St. Paul, Minnesota, United States of America

Affiliation Department of Microbiology, University of Minnesota Medical School, Minneapolis, Minnesota, United States of America

Joseph A. Merriman

Affiliation Department of Microbiology, University of Iowa Carver College of Medicine, Iowa City, Iowa, United States of America

Wilmara Salgado-Pabón

Affiliation Department of Microbiology, University of Iowa Carver College of Medicine, Iowa City, Iowa, United States of America

Bradley Ford

Affiliation Department of Pathology, University of Iowa Carver College of Medicine, Iowa City, Iowa, United States of America

Patrick M. Schlievert

patrick-schlievert@uiowa.edu

Affiliations Department of Microbiology, University of Minnesota Medical School, Minneapolis, Minnesota, United States of America, Department of Microbiology, University of Iowa Carver College of Medicine, Iowa City, Iowa, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AJB JAM WSP PMS. Performed the experiments: AJB JAM WSP BF PMS. Analyzed the data: AJB JAM WSP BF PMS. Contributed reagents/materials/analysis tools: AJB JAM WSP BF PMS. Wrote the paper: AJB JAM WSP BF PMS.