About the Authors

Daniel E. Ross

Affiliation The BioTechnology Institute, University of Minnesota-Twin Cities, St. Paul, Minnesota, United States of America

Jeffrey M. Flynn

Affiliation The BioTechnology Institute, University of Minnesota-Twin Cities, St. Paul, Minnesota, United States of America

Daniel B. Baron

Affiliation The BioTechnology Institute, University of Minnesota-Twin Cities, St. Paul, Minnesota, United States of America

Jeffrey A. Gralnick

Affiliations The BioTechnology Institute, University of Minnesota-Twin Cities, St. Paul, Minnesota, United States of America, Department of Microbiology, University of Minnesota-Twin Cities, St. Paul, Minnesota, United States of America

Daniel R. Bond

dbond@umn.edu

Affiliations The BioTechnology Institute, University of Minnesota-Twin Cities, St. Paul, Minnesota, United States of America, Department of Microbiology, University of Minnesota-Twin Cities, St. Paul, Minnesota, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DER JMF JAG DRB. Performed the experiments: DER JMF DBB. Analyzed the data: DER JAG DRB. Contributed reagents/materials/analysis tools: JAG DRB. Wrote the paper: DER JAG DRB.