About the Authors

Chloé Connan

Affiliation Institut Pasteur, Bactéries anaérobies et Toxines, Paris, France

Holger Brueggemann

Affiliation Department of Biomedicine, Aarhus University, Aarhus, Denmark

Christelle Mazuet

Affiliation Institut Pasteur, Bactéries anaérobies et Toxines, Paris, France

Stéphanie Raffestin

Affiliation Institut Pasteur, Bactéries anaérobies et Toxines, Paris, France

Nadège Cayet

Affiliation Institut Pasteur, Plateforme de Microscopie Ultrastructurale, Paris, France

Michel R. Popoff

mpopoff@pasteur.fr

Affiliation Institut Pasteur, Bactéries anaérobies et Toxines, Paris, France

Competing Interests

H. Brueggemann and M. Popoff are PLoS ONE Editorial Board members. 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: MRP HB CC. Performed the experiments: CC SR CM NC. Analyzed the data: MRP HB CC. Contributed reagents/materials/analysis tools: CM NC. Wrote the paper: MRP CC HB.