About the Authors

Mark W. J. van Passel

Contributed equally to this work with: Mark W. J. van Passel, Pradeep Reddy Marri

Mark.vanPassel@wur.nl

¤ Current address: Laboratory of Microbiology, Wageningen University, Wageningen, The Netherlands

Affiliation Department of Biochemistry and Molecular Biophysics, University of Arizona, Tucson, Arizona, United States of America

Pradeep Reddy Marri

Contributed equally to this work with: Mark W. J. van Passel, Pradeep Reddy Marri

Affiliations Department of Biochemistry and Molecular Biophysics, University of Arizona, Tucson, Arizona, United States of America, BIO5 Institute, University of Arizona, Tucson, Arizona, United States of America

Howard Ochman

Affiliation Department of Biochemistry and Molecular Biophysics, University of Arizona, Tucson, Arizona, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MV PM HO. Performed the experiments: MV PM. Analyzed the data: MV PM HO. Wrote the paper: MV PM HO.