INDETERMINATE DOMAIN–DELLA protein interactions orchestrate gibberellin-mediated cell elongation in wheat and barley

Proceedings of the National Academy of Sciences, Volume 123, Issue 5, February 2026. <br/>SignificanceWe identified orthologous cereal IDD transcription factors (IDD5 in wheat and SDW3 in barley) that interact with DELLA proteins to regulate plant height. By showing that IDD proteins promote stem and leaf expansion, our study opens avenues for …