About the Authors

Filipa P. Reis

Affiliation Instituto de Tecnologia Química e Biológica - ITQB, Universidade Nova de Lisboa, Oeiras, Portugal

Ana Barbas

Current address: Instituto de Biologia Experimental e Tecnológica, Oeiras, Portugal

Affiliation Instituto de Tecnologia Química e Biológica - ITQB, Universidade Nova de Lisboa, Oeiras, Portugal

A. A. Klauer-King

Affiliation Department of Microbiology and Molecular Genetics, and The University of Texas Graduate School of Biomedical Sciences, University of Texas Health Science Center-Houston, Houston, Texas, United States of America

Borislava Tsanova

Affiliation Department of Microbiology and Molecular Genetics, and The University of Texas Graduate School of Biomedical Sciences, University of Texas Health Science Center-Houston, Houston, Texas, United States of America

Daneen Schaeffer

Current address: Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, North Carolina, United States of America

Affiliation Department of Microbiology and Molecular Genetics, and The University of Texas Graduate School of Biomedical Sciences, University of Texas Health Science Center-Houston, Houston, Texas, United States of America

Eduardo López-Viñas

Affiliations Centro de Biologia Molecular “Severo Ochoa” (CSIC-UAM), Campus Universidad Autonoma de Madrid, Madrid, Spain, Biomol-Informatics SL, Madrid, Spain

Paulino Gómez-Puertas

Affiliation Centro de Biologia Molecular “Severo Ochoa” (CSIC-UAM), Campus Universidad Autonoma de Madrid, Madrid, Spain

Ambro van Hoof

Affiliation Department of Microbiology and Molecular Genetics, and The University of Texas Graduate School of Biomedical Sciences, University of Texas Health Science Center-Houston, Houston, Texas, United States of America

Cecília M. Arraiano

cecilia@itqb.unl.pt

Affiliation Instituto de Tecnologia Química e Biológica - ITQB, Universidade Nova de Lisboa, Oeiras, Portugal

Competing Interests

All the authors have declared that no competing interests exist. One of the authors was employed by a commercial company (Biomol-Informatics SL) at the time of the preparation of the manuscript but does not work there presently. 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: FPR AB AAKK DS ELV PGP AVH CMA. Performed the experiments: FPR AB AAKK BT DS ELV. Analyzed the data: FPR AB AAKK BT DS ELV PGP AVH CMA. Contributed reagents/materials/analysis tools: PGP AVH CMA. Wrote the paper: FPR AB AAKK DS ELV PGP AVH CMA.