About the Authors

Carol Arnosti

arnosti@email.unc.edu

Affiliation Department of Marine Sciences, University of North Carolina, Chapel Hill, North Carolina, United States of America

Andrew D. Steen

Current address: Center for Geomicrobiology, Aarhus University, Herning, Denmark

Affiliation Department of Marine Sciences, University of North Carolina, Chapel Hill, North Carolina, United States of America

Kai Ziervogel

Affiliation Department of Marine Sciences, University of North Carolina, Chapel Hill, North Carolina, United States of America

Sherif Ghobrial

Affiliation Department of Marine Sciences, University of North Carolina, Chapel Hill, North Carolina, United States of America

Wade H. Jeffrey

Affiliation Center for Environmental Diagnostics and Bioremediation, University of West Florida, Pensacola, Florida, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CA WHJ. Performed the experiments: CA ADS KZ SG WHJ. Analyzed the data: CA ADS KZ SG. Wrote the paper: CA. Contributed to writing the manuscript: ADS KZ SG WHJ. Performed statistical analyses: ADS KZ.