About the Authors

Sascha Martens

Address ¤ Current address: Medical Research Council Laboratory of Molecular Biology, Cambridge, United Kingdom

Affiliation Institute for Genetics, University of Cologne, Cologne, Germany

Iana Parvanova

Affiliation Institute for Genetics, University of Cologne, Cologne, Germany

Jens Zerrahn

Affiliation Max Planck Institute for Infection Biology, Berlin, Germany

Gareth Griffiths

Affiliation European Molecular Biology Laboratory, Heidelberg, Germany

Gudrun Schell

Affiliation Institute for Medical Microbiology, Heinrich Heine University Duesseldorf, Duesseldorf, Germany

Gaby Reichmann

Affiliation Institute for Medical Microbiology, Heinrich Heine University Duesseldorf, Duesseldorf, Germany

Jonathan C Howard

To whom correspondence should be addressed. E-mail: j.howard@uni-koeln.de

Affiliation Institute for Genetics, University of Cologne, Cologne, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

SM, GR, and JCH conceived and designed the experiments. SM, IP, GS, and GR performed the experiments. SM, IP, GG, GR, and JCH analyzed the data. SM, IP, JZ, GG, GR, and JCH contributed reagents/materials/analysis tools. SM and JCH wrote the paper.