Article
Genomic analysis of the nitrate response using a nitrate reductase-null mutant of Arabidopsis.
Plant physiology - 1 Sept 2004
Wang Rongchen, Tischner Rudolf, Gutiérrez Rodrigo A, Hoffman Maren, Xing Xiujuan, Chen Mingsheng, Coruzzi Gloria, Crawford Nigel M
Abstract excerpt
A nitrate reductase (NR)-null mutant of Arabidopsis was constructed that had a deletion of the major NR gene NIA2 and an insertion in the NIA1 NR gene. This mutant had no detectable NR activity and could not use nitrate as the sole nitrogen source. Starch mobilization was not induced by nitrate in this mutant but was induced by ammonium, indicating that nitrate was not the signal for this process. Microarray...
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