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FLOWERING LOCUS C in monocots and the tandem origin of angiosperm-specific MADS-box genes

Author

Listed:
  • Philip Ruelens

    (K.U. Leuven, Kasteelpark Arenberg 31)

  • Ruud A. de Maagd

    (Business Unit Bioscience, Plant Research International)

  • Sebastian Proost

    (Institute for Biochemistry and Biology, Potsdam University
    Max-Planck Institute of Molecular Plant Physiology)

  • Günter Theißen

    (Friedrich Schiller University Jena, Philosophenweg 12)

  • Koen Geuten

    (K.U. Leuven, Kasteelpark Arenberg 31)

  • Kerstin Kaufmann

    (Institute for Biochemistry and Biology, Potsdam University)

Abstract

MADS-domain transcription factors have been shown to act as key repressors or activators of the transition to flowering and as master regulators of reproductive organ identities. Despite their important roles in plant development, the origin of several MADS-box subfamilies has remained enigmatic so far. Here we demonstrate, through a combination of genome synteny and phylogenetic reconstructions, the origin of three major, apparently angiosperm-specific MADS-box gene clades: FLOWERING LOCUS C- (FLC-), SQUAMOSA- (SQUA-) and SEPALLATA- (SEP-) -like genes. We find that these lineages derive from a single ancestral tandem duplication in a common ancestor of extant seed plants. Contrary to common belief, we show that FLC-like genes are present in cereals where they can also act as floral repressors responsive to prolonged cold or vernalization. This opens a new perspective on the translation of findings from Arabidopsis to cereal crops, in which vernalization was originally described.

Suggested Citation

  • Philip Ruelens & Ruud A. de Maagd & Sebastian Proost & Günter Theißen & Koen Geuten & Kerstin Kaufmann, 2013. "FLOWERING LOCUS C in monocots and the tandem origin of angiosperm-specific MADS-box genes," Nature Communications, Nature, vol. 4(1), pages 1-8, October.
    • Handle: RePEc:nat:natcom:v:4:y:2013:i:1:d:10.1038_ncomms3280
    DOI: 10.1038/ncomms3280
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    Cited by:

    1. Liang Ma & Ke-Wei Liu & Zhen Li & Yu-Yun Hsiao & Yiying Qi & Tao Fu & Guang-Da Tang & Diyang Zhang & Wei-Hong Sun & Ding-Kun Liu & Yuanyuan Li & Gui-Zhen Chen & Xue-Die Liu & Xing-Yu Liao & Yu-Ting Ji, 2023. "Diploid and tetraploid genomes of Acorus and the evolution of monocots," Nature Communications, Nature, vol. 14(1), pages 1-18, December.

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