About the Authors

Laura Sevillano

Affiliation Instituto de Biología Funcional y Genómica/Departamento de Microbiología y Genética, Consejo Superior de Investigaciones Científicas, Universidad de Salamanca, Campus Miguel de Unamuno, Salamanca, Spain

Margarita Díaz

Affiliation Instituto de Biología Funcional y Genómica/Departamento de Microbiología y Genética, Consejo Superior de Investigaciones Científicas, Universidad de Salamanca, Campus Miguel de Unamuno, Salamanca, Spain

Yoshihiro Yamaguchi

Affiliation Department of Biochemistry, Center for Advanced Biotechnology and Medicine, Robert Wood Johnson Medical School, Piscataway, New Jersey, United States of America

Masayori Inouye

Affiliation Department of Biochemistry, Center for Advanced Biotechnology and Medicine, Robert Wood Johnson Medical School, Piscataway, New Jersey, United States of America

Ramón I. Santamaría

santa@usal.es

Affiliation Instituto de Biología Funcional y Genómica/Departamento de Microbiología y Genética, Consejo Superior de Investigaciones Científicas, Universidad de Salamanca, Campus Miguel de Unamuno, Salamanca, Spain

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LS MD YY MI RIS. Performed the experiments: LS YY RIS. Analyzed the data: LS MD YY MI RIS. Contributed reagents/materials/analysis tools: MD MI RIS. Obtained permission for use of plasmids and E. coli strain: RIS. Drafted the manuscript: LS. Corrected the different versions of the manuscript: MD. Participated in the redaction of the final version of the manuscript: YY MI. Participated in all the steps of redaction and correction and assembling of the manuscript: RIS.