Fig. 1From: Nitrogen application and differences in leaf number retained after topping affect the tobacco (Nicotiana tabacum) transcriptome and metabolomeEffects of N nutrition and plant topping on the main nitrate and ammonium assimilation pathways leading to amino acid biosynthesis. Values are shown as means ± standard error (SE) of three biological replicates. Different letters indicate a significant difference (Tukey’s multiple comparison test, P < 0.05). GS: Glutamine Synthetase; GOGAT: Glutamine SynthetaseBack to article page