About the Authors

François Ribalet

Current address: School of Oceanography, University of Washington, Seattle, Washington, United States of America

Affiliation Stazione Zoologica Anton Dohrn di Napoli, Napoli, Italy

Mauro Bastianini

Affiliation ISMAR CNR Istituto Scienze Marine, Venezia, Italy

Charles Vidoudez

Affiliation Friedrich Schiller University Jena, Institute for Inorganic and Analytical Chemistry, Jena School for Microbial Communication, Jena, Germany

Francesco Acri

Affiliation ISMAR CNR Istituto Scienze Marine, Venezia, Italy

John Berges

Affiliation Department of Biological Sciences and School of Freshwater Sciences, University of Wisconsin-Milwaukee, Milwaukee, Wisconsin, United States of America

Adrianna Ianora

Affiliation Stazione Zoologica Anton Dohrn di Napoli, Napoli, Italy

Antonio Miralto

Affiliation Stazione Zoologica Anton Dohrn di Napoli, Napoli, Italy

Georg Pohnert

Affiliation Friedrich Schiller University Jena, Institute for Inorganic and Analytical Chemistry, Jena School for Microbial Communication, Jena, Germany

Giovanna Romano

Affiliation Stazione Zoologica Anton Dohrn di Napoli, Napoli, Italy

Thomas Wichard

Affiliation Friedrich Schiller University Jena, Institute for Inorganic and Analytical Chemistry, Jena School for Microbial Communication, Jena, Germany

Raffaella Casotti

raffa@szn.it

Affiliation Stazione Zoologica Anton Dohrn di Napoli, Napoli, Italy

Competing Interests

Co-author Adrianna Ianora is a PLOS ONE Editorial Board member. 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: FR RC JB. Performed the experiments: FR MB CV TW RC. Analyzed the data: FR MB CV FA GR TW. Contributed reagents/materials/analysis tools: AI AM GP GR RC. Wrote the paper: FR JB RC.