About the Authors

Naomi J. Logsdon

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

Meghan K. Eberhardt

Affiliation Center for Comparative Medicine, University of California Davis, Davis, California, United States of America

Christopher E. Allen

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

Peter A. Barry

Affiliation Center for Comparative Medicine, University of California Davis, Davis, California, United States of America

Mark R. Walter

walter@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: MRW PAB. Performed the experiments: NJL MKE CEA PAB MRW. Analyzed the data: NJL MKE CEA PAB MRW. Wrote the paper: MRW PAB.