About the Authors

Christopher S. Stach

Contributed equally to this work with: Christopher S. Stach, Bao G. Vu

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

Bao G. Vu

Contributed equally to this work with: Christopher S. Stach, Bao G. Vu

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

Patrick M. Schlievert

patrick-schlievert@uiowa.edu

Affiliation 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: CSS BGV PMS. Performed the experiments: CSS BGV PMS. Analyzed the data: CSS BGV PMS. Contributed reagents/materials/analysis tools: CSS BGV PMS. Wrote the paper: CSS BGV PMS.