About the Authors

David W. Colby

Affiliation Institute for Neurodegenerative Diseases, University of California, San Francisco, California, United States of America

Rachel Wain

Current address: British Veterinary Association, London, United Kingdom

Affiliation Institute for Neurodegenerative Diseases, University of California, San Francisco, California, United States of America

Ilia V. Baskakov

Current address: Medical Biotechnology Center, University of Maryland Biotechnology Institute, Baltimore, Maryland, United States of America

Affiliation Institute for Neurodegenerative Diseases, University of California, San Francisco, California, United States of America

Giuseppe Legname

Current address: Neurobiology Sector, Scuola Internazionale di Studi Avanzati, Trieste, Italy

Affiliations Institute for Neurodegenerative Diseases, University of California, San Francisco, California, United States of America, Department of Neurology, University of California, San Francisco, California, United States of America

Christina G. Palmer

Affiliation Institute for Neurodegenerative Diseases, University of California, San Francisco, California, United States of America

Hoang-Oanh B. Nguyen

Affiliation Institute for Neurodegenerative Diseases, University of California, San Francisco, California, United States of America

Azucena Lemus

Affiliation Department of Pathology, University of California, San Francisco, California, United States of America

Fred E. Cohen

Affiliations Institute for Neurodegenerative Diseases, University of California, San Francisco, California, United States of America, Department of Cellular and Molecular Pharmacology, University of California, San Francisco, California, United States of America

Stephen J. DeArmond

Affiliations Institute for Neurodegenerative Diseases, University of California, San Francisco, California, United States of America, Department of Pathology, University of California, San Francisco, California, United States of America

Stanley B. Prusiner

stanley@ind.ucsf.edu

Affiliations Institute for Neurodegenerative Diseases, University of California, San Francisco, California, United States of America, Department of Neurology, University of California, San Francisco, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DWC RW IVB GL FEC SBP. Performed the experiments: DWC RW CGP HOBN AL SJD. Analyzed the data: DWC RW AL SJD SBP. Contributed reagents/materials/analysis tools: FEC. Wrote the paper: DWC SJD SBP.