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Sugars regulate SPATULA activity during style development

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We reveal that the transcription factor SPATULA (SPT) directly interacts with, and is modified by, the O-glycosyl transferases SECRET AGENT (SEC) and SPINDLY (SPY) in Arabidopsis thaliana. O-linked β-N-acetylglucosamine (O-GlcNAc) and O-fucose post-translational modifications (PTMs) promoted elongation of the gynoecium apex (style) and its radial symmetry by promoting SPT function.

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Fig. 1: SPT O-glycosyled residues are necessary for style radialization.

References

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This is a summary of: Jiang, Y. et al. O-glycosylation of the transcription factor SPATULA promotes style development in Arabidopsis. Nat. Plants https://doi.org/10.1038/s41477-023-01617-4 (2024).

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Sugars regulate SPATULA activity during style development. Nat. Plants 10, 204–205 (2024). https://doi.org/10.1038/s41477-024-01624-z

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