Article
Abscisic acid signaling negatively regulates nitrate uptake via phosphorylation of NRT1.1 by SnRK2s in Arabidopsis.
Journal of integrative plant biology - 1 Mar 2021
Su Hang, Wang Tian, Ju Chuanfeng, Deng Jinping, Zhang Tianqi, Li Mengjiao, Tian Hui, Wang Cun
Abstract excerpt
Nitrogen (N) is a limiting nutrient for plant growth and productivity. The phytohormone abscisic acid (ABA) has been suggested to play a vital role in nitrate uptake in fluctuating N environments. However, the molecular mechanisms underlying the involvement of ABA in N deficiency responses are largely unknown. In this study, we demonstrated that ABA signaling components, particularly the three subclass III...
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