About the Authors

Jennifer N. Walker

Affiliation Department of Microbiology, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, Iowa, United States of America

Heidi A. Crosby

Affiliation Department of Microbiology, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, Iowa, United States of America

Adam R. Spaulding

Affiliation Department of Microbiology, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, Iowa, United States of America

Wilmara Salgado-Pabón

Affiliation Department of Microbiology, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, Iowa, United States of America

Cheryl L. Malone

Affiliation Department of Microbiology, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, Iowa, United States of America

Carolyn B. Rosenthal

Affiliation Department of Microbiology, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, Iowa, United States of America

Patrick M. Schlievert

Affiliation Department of Microbiology, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, Iowa, United States of America

Jeffrey M. Boyd

Affiliation Department of Biochemistry and Microbiology, Rutgers University, New Brunswick, New Jersey, United States of America

Alexander R. Horswill

alex-horswill@uiowa.edu

Affiliation Department of Microbiology, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, 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: JNW PMS JMB ARH. Performed the experiments: JNW HAC CBR CLM ARS WSP JMB PMS. Analyzed the data: JNW HAC CBR ARS WSP PMS JMB ARH. Contributed reagents/materials/analysis tools: JNW CLM ARS WSP JMB PMS. Wrote the paper: JNW HAC ARS WSP JMB PMS ARH.