Control of Arabidopsis apical–basal embryo polarity by antagonistic transcription factors

Zachery R. Smith and Jeff A. Long ()
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Zachery R. Smith: Plant Biology Laboratory, The Salk Institute for Biological Studies,
Jeff A. Long: Plant Biology Laboratory, The Salk Institute for Biological Studies,

Nature, 2010, vol. 464, issue 7287, 423-426

Abstract: The route to shoots During embryogenesis in Arabidopsis, the shoot stem cell and root stem cell populations are established at the apical and basal pole, respectively. While, it is known that the PLETHORA genes function as master regulators of root fate, the regulators of shoot fate are unknown. Zachery Smith and Jeff Long now show that the Class III homeodomain-leucine zipper (HD-ZIP III) transcription factors are master regulators of embryonic apical shoot fate, and that they are sufficient to drive the conversion of the embryonic root pole into a second shoot pole.

Date: 2010
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DOI: 10.1038/nature08843

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