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Research Article

Imprinting of the Polycomb Group Gene MEDEA Serves as a Ploidy Sensor in Arabidopsis

  • Aleksandra Erilova,

    Affiliation: Department of Biology and Zurich-Basel Plant Science Center, Swiss Federal Institute of Technology, Zurich, Switzerland

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  • Lynette Brownfield,

    Affiliations: Department of Biology and Zurich-Basel Plant Science Center, Swiss Federal Institute of Technology, Zurich, Switzerland, Department of Biology, University of Leicester, Leicester, United Kingdom

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  • Vivien Exner,

    Affiliation: Department of Biology and Zurich-Basel Plant Science Center, Swiss Federal Institute of Technology, Zurich, Switzerland

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  • Marisa Rosa,

    Affiliation: Gregor Mendel Institute of Molecular Plant Biology, Austrian Academy of Sciences, Vienna, Austria

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  • David Twell,

    Affiliation: Department of Biology, University of Leicester, Leicester, United Kingdom

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  • Ortrun Mittelsten Scheid,

    Affiliation: Gregor Mendel Institute of Molecular Plant Biology, Austrian Academy of Sciences, Vienna, Austria

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  • Lars Hennig,

    Affiliation: Department of Biology and Zurich-Basel Plant Science Center, Swiss Federal Institute of Technology, Zurich, Switzerland

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  • Claudia Köhler mail

    koehlerc@ethz.ch

    Affiliation: Department of Biology and Zurich-Basel Plant Science Center, Swiss Federal Institute of Technology, Zurich, Switzerland

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  • Published: September 25, 2009
  • DOI: 10.1371/journal.pgen.1000663

About the Authors

Aleksandra Erilova, Lynette Brownfield, Vivien Exner, Lars Hennig, Claudia Köhler
Department of Biology and Zurich-Basel Plant Science Center, Swiss Federal Institute of Technology, Zurich, Switzerland
Lynette Brownfield, David Twell
Department of Biology, University of Leicester, Leicester, United Kingdom
Marisa Rosa, Ortrun Mittelsten Scheid
Gregor Mendel Institute of Molecular Plant Biology, Austrian Academy of Sciences, Vienna, Austria

Corresponding Author

Email: koehlerc@ethz.ch

Competing Interests

European patent EP09008196 “Polyploid plants” was deposited by ETH on June 23rd, 2009.

Author Contributions

Conceived and designed the experiments: AE CK. Performed the experiments: AE LB VE MR LH. Analyzed the data: AE LB VE MR OMS LH CK. Contributed reagents/materials/analysis tools: DT OMS. Wrote the paper: AE LB LH CK.