About the Authors

Rita Groß-Hardt

To whom correspondence should be addressed. E-mail: rita.gross-hardt@zmbp.uni-tuebingen.de

Affiliations Institute of Plant Biology and Zürich-Basel Plant Science Center, University of Zürich, Zürich, Switzerland , Developmental Genetics, Center for Plant Molecular Biology (ZMBP), University of Tübingen, Tübingen, Germany

Christina Kägi

Affiliations Institute of Plant Biology and Zürich-Basel Plant Science Center, University of Zürich, Zürich, Switzerland , Developmental Genetics, Center for Plant Molecular Biology (ZMBP), University of Tübingen, Tübingen, Germany

Nadine Baumann

Affiliation Developmental Genetics, Center for Plant Molecular Biology (ZMBP), University of Tübingen, Tübingen, Germany

James M Moore

Affiliations Institute of Plant Biology and Zürich-Basel Plant Science Center, University of Zürich, Zürich, Switzerland , Cold Spring Harbor Laboratory, Cold Spring Harbor, New York, United States of America

Ramamurthy Baskar

Affiliations Institute of Plant Biology and Zürich-Basel Plant Science Center, University of Zürich, Zürich, Switzerland , Cold Spring Harbor Laboratory, Cold Spring Harbor, New York, United States of America

Wendy B Gagliano

Affiliation Cold Spring Harbor Laboratory, Cold Spring Harbor, New York, United States of America

Gerd Jürgens

Affiliation Developmental Genetics, Center for Plant Molecular Biology (ZMBP), University of Tübingen, Tübingen, Germany

Ueli Grossniklaus

Affiliations Institute of Plant Biology and Zürich-Basel Plant Science Center, University of Zürich, Zürich, Switzerland , Cold Spring Harbor Laboratory, Cold Spring Harbor, New York, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

RGH, CK, and UG conceived and designed the experiments. RGH, CK, and NB performed the experiments. JMM, RB, WBG, and UG isolated ET and GT lines. RGH, CK, NB, GJ, and UG analyzed the data. RGH, GJ, and UG contributed reagents/materials/analysis tools. RGH wrote the paper.