Article
Characterization of three functional high-affinity ammonium transporters in Lotus japonicus with differential transcriptional regulation and spatial expression.
Plant physiology - 1 Apr 2004
D'Apuzzo Enrica, Rogato Alessandra, Simon-Rosin Ulrike, El Alaoui Hicham, Barbulova Ani, Betti Marco, Dimou Maria, Katinakis Panagiotis, Marquez Antonio, Marini Anne-Marie, Udvardi Michael K, Chiurazzi Maurizio
Abstract excerpt
Ammonium is a primary source of nitrogen for plants. In legume plants ammonium can also be obtained by symbiotic nitrogen fixation, and NH(4)(+) is also a regulator of early and late symbiotic interaction steps. Ammonium transporters are likely to play important roles in the control of nodule formation as well as in nitrogen assimilation. Two new genes, LjAMT1;2 and LjAMT1;3, were cloned from Lotus japonicus....
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