Long-distance signalling helps plants to coordinate responses to environmental stress, but identification of these signals can be technically challenging. A recent study presented a new method for mobile transcription factor identification based on trans-organ gene co-expression, enabling characterization of the shoot-derived transcription factor TGA7 and providing insights into how plants coordinate regulatory processes across different tissues.
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Caballero-Carretero, P., Medina, J. A mobile transcription factor coordinates systemic responses to nitrogen deficiency. Nat. Plants 11, 1479–1480 (2025). https://doi.org/10.1038/s41477-025-02059-w
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DOI: https://doi.org/10.1038/s41477-025-02059-w
