About the Authors

Tomas Edgren

Affiliation Department of Molecular Biology, Laboratory for Molecular Infection Medicine Sweden (MIMS), Umeå Centre for Microbial Research (UCMR), Umeå University, Umeå, Sweden

Åke Forsberg

Affiliation Department of Molecular Biology, Laboratory for Molecular Infection Medicine Sweden (MIMS), Umeå Centre for Microbial Research (UCMR), Umeå University, Umeå, Sweden

Roland Rosqvist

Affiliations Department of Molecular Biology, Laboratory for Molecular Infection Medicine Sweden (MIMS), Umeå Centre for Microbial Research (UCMR), Umeå University, Umeå, Sweden, The Electron Microscopy Platform at KBC, Umeå University, Umeå, Sweden

Hans Wolf-Watz

hans.wolf-watz@molbiol.umu.se

Affiliation Department of Molecular Biology, Laboratory for Molecular Infection Medicine Sweden (MIMS), Umeå Centre for Microbial Research (UCMR), Umeå University, Umeå, Sweden

Competing Interests

The authors have declared that no competing interests exist.