GATA transcription factors coordinate developmental progression in the arabidopsis root.

GATA transcription factors coordinate the late meristematic transition in Arabidopsis root ground tissue, where a major transcriptional switch linked to extensive chromatin remodeling drives division-to-differentiation.

• Why it matters: Root development must align cell-type differentiation with overall maturation, but plants lack well-established RNA polymerase pausing, requiring alternative spatiotemporal control mechanisms.
• What they did: Using single-cell transcriptomics and chromatin accessibility, the authors reconstruct ground-tissue developmental trajectories and apply machine learning to integrate both data types, then experimentally validate GATA TF involvement.
• The result: GATA TFs are identified as central coordinators at the tipping point of a feedback-driven bistable system integrating auxin and cytokinin inputs to balance proliferation and differentiation with temporal precision.

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