About the Authors

Martin Pilhofer

jensen@caltech.edu (GJJ); martin-pilhofer@web.de (MP)

Affiliations California Institute of Technology, Pasadena, California, United States of America, Howard Hughes Medical Institute, Division of Biology, Pasadena, California, United States of America

Mark S. Ladinsky

Affiliation California Institute of Technology, Pasadena, California, United States of America

Alasdair W. McDowall

Affiliation California Institute of Technology, Pasadena, California, United States of America

Giulio Petroni

Affiliation Dipartimento di Biologia, University of Pisa, Pisa, Italy

Grant J. Jensen

jensen@caltech.edu (GJJ); martin-pilhofer@web.de (MP)

Affiliations California Institute of Technology, Pasadena, California, United States of America, Howard Hughes Medical Institute, Division of Biology, Pasadena, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

The author(s) have made the following declarations about their contributions: Conceived and designed the experiments: MP GJJ. Performed the experiments: MP. Analyzed the data: MP GJJ. Wrote the paper: MP GJJ. Performed immuno-EM staining and freeze-substitution: MSL. Performed cryo-sectioning: MSL AWM. Performed phylogenetic analyses: MP GP.