About the Authors

Virgil A Rhodius

Affiliation Department of Microbiology and Immunology, University of California, San Francisco, California, United States of America

Won Chul Suh

Address Current address: Central Research and Development, DuPont Company, Wilmington, Delaware, United States of America

Affiliation Department of Microbiology and Immunology, University of California, San Francisco, California, United States of America

Gen Nonaka

Address Current address: Ajinomoto Company, Chuo-ku, Tokyo, Japan

Affiliation Department of Microbiology and Immunology, University of California, San Francisco, California, United States of America

Joyce West

Affiliation Department of Microbiology and Immunology, University of California, San Francisco, California, United States of America

Carol A Gross

To whom correspondence should be addressed. E-mail: cgross@cgl.ucsf.edu

Affiliations Department of Microbiology and Immunology, University of California, San Francisco, California, United States of America, Department of Cell and Tissue Biology, University of California, San Francisco, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

VAR, WCS, and CAG conceived and designed the experiments. VAR, WCS, and GN performed the experiments. VAR analyzed the data. VAR and JW contributed reagents/materials/analysis tools. VAR and CAG wrote the paper.