About the Authors

Eva C. Berglund

Affiliation Department of Molecular Evolution, Evolutionary Biology Centre, Uppsala University, Uppsala, Sweden

A. Carolin Frank

Address Current address: School of Natural Sciences, University of California, Merced, California, United States of America

Affiliation Department of Molecular Evolution, Evolutionary Biology Centre, Uppsala University, Uppsala, Sweden

Alexandra Calteau

Address Current address: CNRS UMR8030, Génomique Métabolique, and CEA - Institut de Génomique - Genoscope, Laboratoire de Génomique Comparative, Evry, France

Affiliation Department of Molecular Evolution, Evolutionary Biology Centre, Uppsala University, Uppsala, Sweden

Olga Vinnere Pettersson

Address Current address: Department of Microbiology, The Swedish Agricultural University, Uppsala, Sweden

Affiliation Department of Molecular Evolution, Evolutionary Biology Centre, Uppsala University, Uppsala, Sweden

Fredrik Granberg

Affiliation Department of Molecular Evolution, Evolutionary Biology Centre, Uppsala University, Uppsala, Sweden

Ann-Sofie Eriksson

Affiliation Department of Molecular Evolution, Evolutionary Biology Centre, Uppsala University, Uppsala, Sweden

Kristina Näslund

Affiliation Department of Molecular Evolution, Evolutionary Biology Centre, Uppsala University, Uppsala, Sweden

Martin Holmberg

Affiliation Department of Medical Sciences, Section for Infectious Diseases, Uppsala University Hospital, Uppsala, Sweden

Hillevi Lindroos

† Deceased.

Affiliation Department of Molecular Evolution, Evolutionary Biology Centre, Uppsala University, Uppsala, Sweden

Siv G. E. Andersson

Siv.Andersson@ebc.uu.se

Affiliation Department of Molecular Evolution, Evolutionary Biology Centre, Uppsala University, Uppsala, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SGEA. Performed the experiments: ECB OVP FG ASE KN. Analyzed the data: ECB ACF AC SGEA. Contributed reagents/materials/analysis tools: MH HL. Wrote the paper: ECB ACF SGEA.