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Plant embryogenesis

Polycomb repression of the asexual embryo

Nature Plants volume 9, pages 1783–1784 (2023)Cite this article

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In angiosperms, the proliferation and differentiation of egg and central cells need to be repressed before fertilization. Autonomous endosperm development has been observed and well-studied in Arabidopsis mutants of FERTILIZATION INDEPENDENT SEED (FIS)-class POLYCOMB REPRESSIVE COMPLEX 2 (PRC2), but how defects of PRC2 components affect embryo development remains unclear. Wu et al. now describe an essential clue for understanding parthenogenetic embryogenesis from the rice double mutant osfie1 osfie2.

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Fig. 1: Repression of asexual embryogenesis and autonomous endosperm by PRC2.

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  1. Kihara Institute for Biological Research, Yokohama City University, Yokohama, Japan

    Kaoru Tonosaki & Tetsu Kinoshita

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  1. Kaoru Tonosaki
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  2. Tetsu Kinoshita
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Correspondence to Kaoru Tonosaki or Tetsu Kinoshita.

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Tonosaki, K., Kinoshita, T. Polycomb repression of the asexual embryo. Nat. Plants 9, 1783–1784 (2023). https://doi.org/10.1038/s41477-023-01537-3

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