About the Authors

Birte Meyer

Affiliation Max Planck Institute for Marine Microbiology, Bremen, Germany

Jan Kuever

To whom correspondence should be addressed. E-mail: kuever@mpa-bremen.de

Current address: Bremen Institute for Materials Testing, Bremen, Germany

Affiliation Max Planck Institute for Marine Microbiology, Bremen, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JK BM. Performed the experiments: BM. Analyzed the data: JK BM. Contributed reagents/materials/analysis tools: JK. Wrote the paper: JK BM.