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Moss development: Starting BELL for embryos

Major life cycle transitions happen after changes in stem cells trigger new developmental programs. In moss, expression of the homeobox transcription factor BELL1 is sufficient to induce sporophyte stem cells from the gametophyte phase, without having to go through fertilization.

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Figure 1: BELL1, a molecular switch to modify stem cell potential.

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Correspondence to Mitsuyasu Hasebe.

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Hasebe, M. Moss development: Starting BELL for embryos. Nature Plants 2, 16004 (2016). https://doi.org/10.1038/nplants.2016.4

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