About the Authors

Susan M. Huse

Affiliation Josephine Bay Paul Center for Comparative Molecular Biology and Evolution, Marine Biological Laboratory, Woods Hole, Massachusetts, United States of America

Les Dethlefsen

Affiliation Department of Microbiology and Immunology, Stanford School of Medicine, Stanford, California, United States of America

Julie A. Huber

Affiliation Josephine Bay Paul Center for Comparative Molecular Biology and Evolution, Marine Biological Laboratory, Woods Hole, Massachusetts, United States of America

David Mark Welch

Affiliation Josephine Bay Paul Center for Comparative Molecular Biology and Evolution, Marine Biological Laboratory, Woods Hole, Massachusetts, United States of America

David A. Relman

Affiliations Department of Microbiology and Immunology, Stanford School of Medicine, Stanford, California, United States of America, Department of Medicine, Stanford University School of Medicine, Stanford, California, United States of America, Veterans Affairs Palo Alto Health Care System, Palo Alto, California, United States of America

Mitchell L. Sogin

sogin@mbl.edu

Affiliation Josephine Bay Paul Center for Comparative Molecular Biology and Evolution, Marine Biological Laboratory, Woods Hole, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SMH DMW DAR MLS. Performed the experiments: SMH LD JAH. Analyzed the data: SMH DMW. Contributed reagents/materials/analysis tools: SMH. Wrote the paper: SMH DMW DAR MLS.