For relatively recent reviews of ammonia assimilation, and the regulation of key enzymes of glutamate, glutamine, aspartate, asparagine, serine and glycine synthesis, see:

Lea PJ, Ireland RJ 1999 Nitrogen metabolism in higher plants. In (BK Singh ed) "Plant Amino Acids: Biochemistry and Biotechnology", Marcel Dekker, NY, pp. 1-47.

Ireland RJ, Lea PJ 1999 The enzymes of glutamine, glutamate, asparagine, and aspartate metabolism. In (BK Singh ed) "Plant Amino Acids: Biochemistry and Biotechnology", Marcel Dekker, NY, pp. 49-109.

Bourguignon J, Rebeille F, Douce R 1999 Serine and glycine metabolism in higher plants. In (BK Singh ed) "Plant Amino Acids: Biochemistry and Biotechnology", Marcel Dekker, NY, pp. 111-146.

• Glutamate dehydrogenase
• The glutamate synthase cycle
• Regulation of glutamine synthetase: bacteria and cyanobacteria
• Three-dimensional structure of Salmonella typhimurium glutamine synthetase
• Regulation of glutamine synthetase: fungi and yeasts
• Regulation of glutamine synthetase: algae
• Regulation of glutamine synthetase: higher plants
• Enzymes and genes of Asn, Gln, Glu and Asp synthesis in Arabidopsis
• Differential expression of GS and GOGAT genes in Arabidopsis
• Genetic control of glutamine synthetase isoenzymes in higher plants
• The photorespiratory nitrogen cycle
• Photorespiratory mutants of higher plants
• Pathways of serine synthesis
• Tetrahydrofolate involvement in glycine and serine metabolism
• Glycine decarboxylase complex
• Main pathways of conversion of ammonia to amino acids
• Pathways of ammonia production in plants
• NCBI accessions for asparagine synthetase of Arabidopsis thaliana
• NCBI accessions for glutamine synthetase of Arabidopsis thaliana
• NCBI accessions for glutamate synthase of Arabidopsis thaliana
• NCBI accessions for glutamate dehydrogenase of Arabidopsis thaliana
• NCBI accessions for glycine decarboxylase of Arabidopsis thaliana
• NCBI accessions for serine hydroxymethyltransferase of Arabidopsis thaliana
• References