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Research Article

A Companion Cell–Dominant and Developmentally Regulated H3K4 Demethylase Controls Flowering Time in Arabidopsis via the Repression of FLC Expression

  • Hongchun Yang,

    Affiliations: State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing, China, National Institute of Biological Sciences, Beijing, China, Hebei Key Laboratory of Molecular Cell Biology, College of Biological Sciences, Hebei Normal University, Shijiazhuang, China

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  • Zhifu Han,

    Affiliation: National Institute of Biological Sciences, Beijing, China

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  • Ying Cao,

    Affiliations: National Institute of Biological Sciences, Beijing, China, Hebei Key Laboratory of Molecular Cell Biology, College of Biological Sciences, Hebei Normal University, Shijiazhuang, China

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  • Di Fan,

    Affiliation: National Institute of Biological Sciences, Beijing, China

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  • Hong Li,

    Affiliation: National Institute of Biological Sciences, Beijing, China

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  • Huixian Mo,

    Affiliations: National Institute of Biological Sciences, Beijing, China, Hebei Key Laboratory of Molecular Cell Biology, College of Biological Sciences, Hebei Normal University, Shijiazhuang, China

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  • Yi Feng,

    Affiliation: National Institute of Biological Sciences, Beijing, China

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  • Lei Liu,

    Affiliation: Hebei Key Laboratory of Molecular Cell Biology, College of Biological Sciences, Hebei Normal University, Shijiazhuang, China

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  • Zheng Wang,

    Affiliations: National Institute of Biological Sciences, Beijing, China, College of Life Sciences, Capital Normal University, Beijing, China

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  • Yanling Yue,

    Affiliation: National Institute of Biological Sciences, Beijing, China

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  • Sujuan Cui,

    Affiliation: Hebei Key Laboratory of Molecular Cell Biology, College of Biological Sciences, Hebei Normal University, Shijiazhuang, China

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  • She Chen,

    Affiliation: National Institute of Biological Sciences, Beijing, China

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  • Jijie Chai,

    Affiliation: National Institute of Biological Sciences, Beijing, China

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  • Ligeng Ma mail

    ligeng.ma@mail.hebtu.edu.cn

    Affiliations: National Institute of Biological Sciences, Beijing, China, Hebei Key Laboratory of Molecular Cell Biology, College of Biological Sciences, Hebei Normal University, Shijiazhuang, China, College of Life Sciences, Capital Normal University, Beijing, China

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  • Published: April 19, 2012
  • DOI: 10.1371/journal.pgen.1002664

About the Authors

Hongchun Yang
State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing, China
Hongchun Yang, Zhifu Han, Ying Cao, Di Fan, Hong Li, Huixian Mo, Yi Feng, Zheng Wang, Yanling Yue, She Chen, Jijie Chai, Ligeng Ma
National Institute of Biological Sciences, Beijing, China
Hongchun Yang, Ying Cao, Huixian Mo, Lei Liu, Sujuan Cui, Ligeng Ma
Hebei Key Laboratory of Molecular Cell Biology, College of Biological Sciences, Hebei Normal University, Shijiazhuang, China
Zheng Wang, Ligeng Ma
College of Life Sciences, Capital Normal University, Beijing, China

Corresponding Author

Email: ligeng.ma@mail.hebtu.edu.cn

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: L Ma, J Chai, S Cui, S Chen, H Yang. Performed the experiments: H Yang, Z Han, Y Cao, D Fan, H Li, H Mo, Y Feng, Z Wang, L Liu, Y Yue. Analyzed the data: H Yang, Z Han, L Ma. Contributed reagents/materials/analysis tools: L Ma, J Chai, S Cui. Wrote the paper: L Ma, H Yang.