About the Authors

Susan C. Sharpe

Current address: Biochemistry and Molecular Biology, Dalhousie University, Halifax, Nova Scotia, Canada

Affiliation Chemistry and Biochemistry, Mount Allison University, Sackville, New Brunswick, Canada

Julie A. Koester

Affiliations School of Oceanography, University of Washington, Seattle, Washington, United States of America, Environmental Science Program, Mount Allison University, Sackville, New Brunswick, Canada

Martina Loebl

Affiliation Center for Marine Environmental Sciences (MARUM), Bremen International Graduate School for Marine Sciences (GLOMAR), University of Bremen, Bremen, Germany

Amanda M. Cockshutt

Affiliation Chemistry and Biochemistry, Mount Allison University, Sackville, New Brunswick, Canada

Douglas A. Campbell

Affiliation Biology, Mount Allison University, Sackville, New Brunswick, Canada

Andrew J. Irwin

Affiliation Mathematics and Computer Science, Mount Allison University, Sackville, New Brunswick, Canada

Zoe V. Finkel

zfinkel@mta.ca

Affiliation Environmental Science Program, Mount Allison University, Sackville, New Brunswick, Canada

Competing Interests

Douglas A. Campbell and Amanda M. Cockshutt are share-holders in Environmental Proteomics NB Inc, a company which provided the primary antibodies and associated protein quantitation standards used to generate some of the data for Table 1. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: ZF ML AC DC AI JK. Performed the experiments: SS ML AC ZF. Analyzed the data: ZF AC DC AI SS. Contributed reagents/materials/analysis tools: AC DC ZF JK. Wrote the paper: ZF SC JK AC DC AI.