About the Authors

Xin M. Luo

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

Margarida Y. Y. Lei

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

Rana A. Feidi

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

Anthony P. West Jr

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

Alejandro Benjamin Balazs

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

Pamela J. Bjorkman

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

Lili Yang

baltimo@caltech.edu (DB); liyang@caltech.edu (LY)

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

David Baltimore

baltimo@caltech.edu (DB); liyang@caltech.edu (LY)

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

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: XML LY DB. Performed the experiments: XML MYYL RAF. Analyzed the data: XML PJB LY DB. Contributed reagents/materials/analysis tools: XML APW ABB. Wrote the paper: XML APW PJB LY DB.