About the Authors

Won Hee Jung

Affiliation The Michael Smith Laboratories, Department of Microbiology and Immunology, and Faculty of Land and Food Systems, University of British Columbia, Vancouver, British Columbia, Canada

Anita Sham

Affiliation The Michael Smith Laboratories, Department of Microbiology and Immunology, and Faculty of Land and Food Systems, University of British Columbia, Vancouver, British Columbia, Canada

Tianshun Lian

¤ Current address: Division of Infectious Diseases, University of British Columbia, Vancouver, British Columbia, Canada

Affiliation The Michael Smith Laboratories, Department of Microbiology and Immunology, and Faculty of Land and Food Systems, University of British Columbia, Vancouver, British Columbia, Canada

Arvinder Singh

Affiliation Department of Biochemistry, School of Medicine and Biomedical Sciences, The University at Buffalo, Buffalo, New York, United States of America

Daniel J Kosman

Affiliation Department of Biochemistry, School of Medicine and Biomedical Sciences, The University at Buffalo, Buffalo, New York, United States of America

James W Kronstad

To whom correspondence should be addressed. E-mail: kronstad@interchange.ubc.ca

Affiliation The Michael Smith Laboratories, Department of Microbiology and Immunology, and Faculty of Land and Food Systems, University of British Columbia, Vancouver, British Columbia, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

W. Jung and J. Kronstad conceived and designed the experiments, analyzed data, and wrote the paper. W. Jung, A. Sham, and T. Lian performed the experiments with the exception that A. Singh and D. Kosman performed the iron uptake experiments with transferrin and analysed data.