About the Authors

Cayla M. Johnson

Affiliation Department of Microbiology, Southern Illinois University, Carbondale, Illinois, United States of America

Derek J. Fisher

fisher@micro.siu.edu

Affiliation Department of Microbiology, Southern Illinois University, Carbondale, Illinois, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DJF. Performed the experiments: DJF CMJ. Analyzed the data: DJF CMJ. Contributed reagents/materials/analysis tools: DJF. Wrote the paper: DJF CMJ.