About the Authors

Jorge Barriuso

Affiliation Departamento de Biotecnología Microbiana, Centro Nacional de Biotecnología (CNB-CSIC), Madrid, Spain

Silvia Marín

Affiliation Departamento de Biotecnología Microbiana, Centro Nacional de Biotecnología (CNB-CSIC), Madrid, Spain

Rafael P. Mellado

rpmellado@cnb.csic.es

Affiliation Departamento de Biotecnología Microbiana, Centro Nacional de Biotecnología (CNB-CSIC), Madrid, Spain

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RPM. Performed the experiments: JB. Analyzed the data: JB. Contributed reagents/materials/analysis tools: SM JB. Wrote the paper: RPM JB.