About the Authors

Clara Higuera

Affiliation Department of Biochemistry and Molecular Biology, Complutense University, Madrid, Spain

Alejandro F. Villaverde

Affiliation Bio Process Engineering Group IIM-CSIC (Spanish National Research Council), Vigo, Spain

Julio R. Banga

Affiliation Bio Process Engineering Group IIM-CSIC (Spanish National Research Council), Vigo, Spain

John Ross

Affiliation Department of Chemistry, Stanford University, Stanford, California, United States of America

Federico Morán

fmoran@bio.ucm.es

Affiliation Department of Biochemistry and Molecular Biology, Complutense University, Madrid, Spain

Competing Interests

IIM-CSIC is not a company, it is a public research instititute (Instituto de Investigaciones Marinas, see www.iim.csic.es ), which belongs to CSIC (Spanish National Research Council, see http://www.csic.es/web/guest/presentacion). The authors have already published recently in PLoS ONE http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0027755. The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JRB AFV FM JR. Performed the experiments: CH. Analyzed the data: CH JRB FM AFV. Contributed reagents/materials/analysis tools: JRB AFV. Wrote the paper: CH JRB AFV FM.