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Article

A molecular framework of the Rht-A1-TaLA1-D module controlling tiller angle in wheat.

Nature communications - 14 Apr 2026

Chen Yaoyu, Xie Zhencheng, Dong Chunhao, Li Danping, Cheng Hao, Lv Baolian, Xia Chuan, Sun Jiaqiang, Liu Xu, Kong Xiuying, Zhang Lichao

Abstract excerpt

Tiller angle is a critical determinant of wheat plant architecture, which profoundly impacts yield potential. However, the regulatory mechanisms of tiller angle in wheat remain largely unexplored. To explore the underlying mechanisms, we identify two EMS-mutagenized wheat mutants tiller angle 1 (ta1) and ta2 with enlarged tiller angles. Molecular characterization reveals that TA1 and TA2 encode the DELLA protein...

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Identifiers

PMID: 41980986
DOI: 10.1038/s41467-026-71872-4
PMCID: PMC13254400

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