About the Authors

Aaron David Goldman

adg@princeton.edu

Affiliation Department of Ecology and Evolutionary Biology, Princeton, New Jersey, United States of America

John A. Baross

Affiliations School of Oceanography, University of Washington, Seattle, Washington, United States of America, Center for Astrobiology and Early Evolution, University of Washington, Seattle, Washington, United States of America

Ram Samudrala

Affiliations Center for Astrobiology and Early Evolution, University of Washington, Seattle, Washington, United States of America, Department of Microbiology, University of Washington, Seattle, Washington, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ADG JAB RS. Performed the experiments: ADG. Analyzed the data: ADG JAB RS. Contributed reagents/materials/analysis tools: ADG RS. Wrote the paper: ADG JAB RS.