Cross-species inference: TAC1, LAZY1, and DRO1 gene family controls shoot and root orientation via gravity and auxin pathways

Synthesizes cross-species evidence that TAC1, LAZY1, and DRO1 homologs regulate plant shoot and root angle by mediating gravity sensing and auxin signaling, integrating findings from rice, wheat, maize, and Arabidopsis. Explains conserved gene family function and evolutionary adaptation affecting architecture and drought adaptation.

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