About the Authors

Philippe Verbeke

Affiliation Institut Jacques Monod, Université Paris—Denis Diderot, Paris, France

Lynn Welter-Stahl

Affiliation Institut Jacques Monod, Université Paris—Denis Diderot, Paris, France

Songmin Ying

Affiliation Institute for Medical Microbiology, Technische Universität München, Munich, Germany

Jon Hansen

Affiliation Institut Jacques Monod, Université Paris—Denis Diderot, Paris, France

Georg Häcker

Affiliation Institute for Medical Microbiology, Technische Universität München, Munich, Germany

Toni Darville

Affiliation Department of Microbiology and Immunology, University of Arkansas for Medical Sciences, Little Rock, Arkansas, United States of America

David M Ojcius

To whom correspondence should be addressed. E-mail: dojcius@ucmerced.edu

Affiliations Institut Jacques Monod, Université Paris—Denis Diderot, Paris, France , School of Natural Sciences, University of California Merced, Merced, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

GH and DMO conceived and designed the experiments. PV, LWS, SY, and JH performed the experiments. PV analyzed the data. TD contributed reagents/materials/analysis tools. DMO wrote the paper.