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Shoot NH 4 + -fed plant. Amino acids. NBPT. Peroxisome. Carbon. Protein synthesis. Chloroplast. NH 4 +. Mitochondrion. Mitochondrion. Fd-GOGAT. GS2. Photorespiration ???. Photosynthesis. GDH. GDH. NH 4 +. NH 4 +. 2-OG. 2-OG. 2Glu. Glu. Carbon. Polyamines??. P5CDH.
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Shoot NH4+-fed plant Amino acids NBPT Peroxisome Carbon Protein synthesis Chloroplast NH4+ Mitochondrion Mitochondrion Fd-GOGAT GS2 Photorespiration ??? Photosynthesis GDH GDH NH4+ NH4+ 2-OG 2-OG 2Glu Glu Carbon Polyamines?? P5CDH P5CDH δOAT δOAT TCA Cycle TCA Cycle PEPc Orn Orn Urea Urea PEPc Glycolysis ??? Glycolysis Arg Arg Pyruvate Amino acids Glu Urease Urease GS1 NADPH-GOGAT BCAA 2NH3 2Gln NH3 Gln Urea Urea Root NH4+-fed plant Protein turnover Protein degradation GS1 BCAA NBPT NBPT NBPT NH4+ NBPT