About the Authors

Daniel Bouyer

Address ¤ Current address: Cold Spring Harbor Laboratory, Cold Spring Harbor, New York, United States of America

Affiliation Botanical Institute III, University of Cologne, Köln, Germany

Florian Geier

Contributed equally to this work with: Florian Geier, Friedrich Kragler

Affiliation Department of Biology, University of Freiburg, Freiburg, Germany

Friedrich Kragler

Contributed equally to this work with: Florian Geier, Friedrich Kragler

Affiliation Department of Biochemistry, Max F. Perutz Laboratories, University of Vienna, Vienna, Austria

Arp Schnittger

Affiliation Max-Planck-Institut für Züchtungsforschung, Unigruppe, Köln, Germany

Martina Pesch

Affiliation Botanical Institute III, University of Cologne, Köln, Germany

Katja Wester

Affiliation Botanical Institute III, University of Cologne, Köln, Germany

Rachappa Balkunde

Affiliation Botanical Institute III, University of Cologne, Köln, Germany

Jens Timmer

Affiliation Department of Mathematics and Physics, University of Freiburg, Freiburg, Germany

Christian Fleck

Affiliation Department of Mathematics and Physics, University of Freiburg, Freiburg, Germany

Martin Hülskamp

To whom correspondence should be addressed. E-mail: martin.huelskamp@uni-koeln.de

Affiliation Botanical Institute III, University of Cologne, Köln, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

DB, FK, AS, CF, and MH conceived and designed the experiments. DB, FG, FK, AS, KW, MP, and RB performed the experiments. DB, FK, AS, KW, and JT analyzed the data. DB, FK, and AS contributed reagents/materials/analysis tools. MH wrote the paper.