Article
Arabidopsis plastid AMOS1/EGY1 integrates abscisic acid signaling to regulate global gene expression response to ammonium stress.
Plant physiology - 1 Dec 2012
Li Baohai, Li Qing, Xiong Liming, Kronzucker Herbert J, Krämer Ute, Shi Weiming
Abstract excerpt
Ammonium (NH(4)(+)) is a ubiquitous intermediate of nitrogen metabolism but is notorious for its toxic effects on most organisms. Extensive studies of the underlying mechanisms of NH(4)(+) toxicity have been reported in plants, but it is poorly understood how plants acclimate to high levels of NH(4)(+). Here, we identified an Arabidopsis (Arabidopsis thaliana) mutant, ammonium overly sensitive1 (amos1), that...
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