About the Authors

Amal J. Johnston

Affiliations Department of Biology and Zurich-Basel Plant Science Center, ETH Zurich, Zurich, Switzerland, Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), Gatersleben, Germany

Olga Kirioukhova

Affiliation Institute of Plant Biology and Zurich-Basel Plant Science Center, University of Zurich, Zurich, Switzerland

Philippa J. Barrell

Current address: New Zealand Institute for Plant and Food Research, Christchurch, New Zealand

Affiliation Institute of Plant Biology and Zurich-Basel Plant Science Center, University of Zurich, Zurich, Switzerland

Twan Rutten

Affiliation Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), Gatersleben, Germany

James M. Moore

Affiliation Institute of Plant Biology and Zurich-Basel Plant Science Center, University of Zurich, Zurich, Switzerland

Ramamurthy Baskar

Current address: Indian Institute of Technology Madras, Chennai, India

Affiliation Institute of Plant Biology and Zurich-Basel Plant Science Center, University of Zurich, Zurich, Switzerland

Ueli Grossniklaus

Affiliation Institute of Plant Biology and Zurich-Basel Plant Science Center, University of Zurich, Zurich, Switzerland

Wilhelm Gruissem

wgruissem@ethz.ch

Affiliation Department of Biology and Zurich-Basel Plant Science Center, ETH Zurich, Zurich, Switzerland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Designed experiments, analyzed results, and wrote the manuscript: AJJ WG. Helped with experimental work and drafting of the manuscript: OK TR. Contributed confocal images: PJB. Contributed marker lines: JMM RB. Provided advice and material from his laboratory: UG. Contributed to the final version of the manuscript: AJJ OK PJB TR JMM RB UG WG.