About the Authors

John T. Sullivan

Affiliation Department of Microbiology and Immunology, University of Otago, Dunedin, New Zealand

Steven D. Brown

Current address: Microbial Ecology and Physiology Group, BioSciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee, United States of America

Affiliation Department of Microbiology and Immunology, University of Otago, Dunedin, New Zealand

Clive W. Ronson

Clive.Ronson@otago.ac.nz

Affiliation Department of Microbiology and Immunology, University of Otago, Dunedin, New Zealand

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JTS SDB CWR. Performed the experiments: JTS SDB. Analyzed the data: JTS SDB CWR. Wrote the paper: CWR JTS.