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Article

TaIAA21 represses TaARF25-mediated expression of TaERFs required for grain size and weight development in wheat.

The Plant journal : for cell and molecular biology - 1 Dec 2021

Jia Meiling, Li Yanan, Wang Zhenyu, Tao Shu, Sun Guoliang, Kong Xingchen, Wang Ke, Ye Xingguo, Liu Shaoshuai, Geng Shuaifeng, Mao Long, Li Aili

Abstract excerpt

Auxin signaling is essential for the development of grain size and grain weight, two important components for crop yield. However, no auxin/indole acetic acid repressor (Aux/IAA) has been functionally characterized to be involved in the development of wheat (Triticum aestivum L.) grains to date. Here, we identified a wheat Aux/IAA gene, TaIAA21, and studied its regulatory pathway. We found that TaIAA21 mutation...

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PMID: 34643010
DOI: 10.1111/tpj.15541

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