About the Authors
CNRS, Aix-Marseille Université, AFMB, UMR 7257, Campus de Luminy, Marseille, France
Archaea Centre, Department of Biology, University of Copenhagen, Copenhagen, Denmark
The authors have declared that no competing interests exist.
Conceived and designed the experiments: CFR MOL CC. Performed the experiments: CFR SB AG GV. Analyzed the data: CFR MOL CC RAG. Wrote the paper: MOL CFR RAG CC.