About the Authors

Jingxian Zhao

Affiliation Department of Microbiology, University of Iowa, Iowa City, Iowa, United States of America

Jincun Zhao

Affiliation Department of Microbiology, University of Iowa, Iowa City, Iowa, United States of America

Stanley Perlman

Stanley-perlman@uiowa.edu

Affiliation Department of Microbiology, University of Iowa, Iowa City, Iowa, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JingZ SP. Performed the experiments: JingZ JincZ. Analyzed the data: JingZ SP. Wrote the paper: JingZ SP.