About the Authors

Ting Feng

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

Yingzi Cong

Affiliations Department of Microbiology, University of Alabama at Birmingham, Birmingham, Alabama, United States of America, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, United States of America, Departments of Microbiology/Immunology and Pathology, University of Texas Medical Branch, Galveston, Texas, United States of America

Katie Alexander

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

Charles O. Elson

coelson@uab.edu

Affiliations Department of Microbiology, University of Alabama at Birmingham, Birmingham, Alabama, United States of America, Department of Medicine, 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: TF YC COE. Performed the experiments: TF YC KLA. Analyzed the data: TF YC COE. Wrote the paper: TF YC COE.