List of contributors; Preface; 1. Glutamine synthetase in higher plants: molecular biology meets plant physiology B. G. Forde and J. Woodall; 2. Interactions of nitrogen and carbon metabolism: implications of PEP carboxylase and isocitrate dehydrogenase P. Gadal, L. Lepiniec and S. Santi; 3. The genetics of aspartate derived amino acids in higher plants M. Jacobs, V. Frankard, M. Ghislain and M. Vauterin; 4. Oxidation of 1-aminocyclopropane-1-carboxylic acid (ACC) in the generation of ethylene by plants P. John; 5. Regulation of carbon flow through the branched chain amino acid biosynthetic pathway B. K. Singh, I. Szamosi and D. L. Shaner; 6. Amino acid metabolism and protein deposition in the endosperm of wheat: synthesis of proline via ornithine T. D. Ugalde, S. E. Maher, N. E. Nardella and R. M. Wallsgrove; 7. The glycine decarboxylase complex in higher plan mitochondria: structure, function and biogenesis S. Rawsthorne, R. Douce and D. Oliver; 8. Glycine and serine synthesis in non-photosynthetic tissues R. J. Ireland and D. A. Hiltz; 9. Biogenesis of N-heterocyclic amino acids by plants: mechanisms of biological significance E. G. Brown; 10. Toxicity of non-protein amino acids from plants J. P. F. D'Mello; 11. Processes involved in glutathione metabolism H. Rennenberg; 12. Betaines in higher plants - biosynthesis and role in stress metabolism J. Gorham; 13. Metabolism and function of polyamines during osmotically induced senescence in oat leaves and protoplasts A. F. Tiburcio, R. T. Besford, A. Borrell and M. Marcé; 14. Biosynthesis of cyanogenic glucosides. Elucidation of the pathway and characterization of the cytochromes P-450 involved O. Sibbesen, B. M. Koch, P. Rouzé, B. L. Møller and B. A. Halkier; 15. The biosynthesis of glucosinolates in Brassicas R. M. Wallsgrove and R. N. Bennett; 16. Biochemical genetics of aliphatic glucosinolates in Brassica and Arabidopsis R. Mithen and D. Toroser; Index.