About the Authors

Christopher S. Stach

Affiliation Department of Microbiology, University of Iowa Carver College of Medicine, Iowa City, IA, 52242, United States of America

Bao G. Vu

Affiliation Department of Microbiology, University of Iowa Carver College of Medicine, Iowa City, IA, 52242, United States of America

Joseph A. Merriman

Affiliation Department of Microbiology, University of Iowa Carver College of Medicine, Iowa City, IA, 52242, United States of America

Alfa Herrera

Affiliation Department of Microbiology, University of Iowa Carver College of Medicine, Iowa City, IA, 52242, United States of America

Michael P. Cahill

Affiliation Department of Microbiology, University of Iowa Carver College of Medicine, Iowa City, IA, 52242, United States of America

Patrick M. Schlievert

patrick-schlievert@uiowa.edu

Affiliation Department of Microbiology, University of Iowa Carver College of Medicine, Iowa City, IA, 52242, United States of America

Wilmara Salgado-Pabón

Affiliation Department of Microbiology, University of Iowa Carver College of Medicine, Iowa City, IA, 52242, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CSS WSP PMS BGV. Performed the experiments: CSS WSP BGV PMS MPC JAM AH. Analyzed the data: CSS WSP PMS. Contributed reagents/materials/analysis tools: CSS WSP PMS MPC JAM BGV. Wrote the paper: CSS WSP PMS.