About the Authors

Roberta Schulte

Affiliation Molecular and Cell Biology Laboratory, Salk Institute for Biological Studies, La Jolla, California, United States of America

Jessica Talamas

Affiliation Molecular and Cell Biology Laboratory, Salk Institute for Biological Studies, La Jolla, California, United States of America

Christine Doucet

Affiliation Molecular and Cell Biology Laboratory, Salk Institute for Biological Studies, La Jolla, California, United States of America

Martin W. Hetzer

hetzer@salk.edu

Affiliation Molecular and Cell Biology Laboratory, Salk Institute for Biological Studies, La Jolla, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MH. Performed the experiments: MH RS JT CD. Wrote the paper: MH.