About the Authors

Rebecca K. Martin

Contributed equally to this work with: Rebecca K. Martin, Keith B. Brooks

Affiliation Department of Microbiology and Immunology, Virginia Commonwealth University, Richmond, Virginia, United States of America

Keith B. Brooks

Contributed equally to this work with: Rebecca K. Martin, Keith B. Brooks

Affiliation Department of Microbiology and Immunology, Virginia Commonwealth University, Richmond, Virginia, United States of America

Frida Henningsson

Affiliation Department of Medical Biochemistry and Microbiology, Biomedical Center, Uppsala University, Uppsala, Sweden

Birgitta Heyman

Affiliation Department of Medical Biochemistry and Microbiology, Biomedical Center, Uppsala University, Uppsala, Sweden

Daniel H. Conrad

dconrad@vcu.edu

Affiliation Department of Microbiology and Immunology, Virginia Commonwealth University, Richmond, Virginia, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RM KB FH BH DC. Performed the experiments: RM KB. Analyzed the data: RM KB DC. Contributed reagents/materials/analysis tools: BH DC. Contributed to the writing of the manuscript: RM BH DC.