About the Authors

Jennifer T. Ingram

Affiliations Department of Biology, University of Alabama at Birmingham, Birmingham, Alabama, United States of America, Department of Microbiology, University of Alabama at Birmingham, Birmingham, Alabama, United States of America

John S. Yi

Address Current address: Division of Surgical Science, Duke University Medical Center, Durham, North Carolina, United States of America.

Affiliation Department of Microbiology, University of Alabama at Birmingham, Birmingham, Alabama, United States of America

Allan J. Zajac

azajac@uab.edu

Affiliation Department of Microbiology, University of Alabama at Birmingham, Birmingham, Alabama, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JTI AJZ. Performed the experiments: JTI JSY AJZ. Analyzed the data: JTI. Wrote the paper: JTI AJZ.