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Full Description
Investigations on seed proteins have been intensively carried out during the past two decades. This is valid with regard to both their chemical composition as well as their nutritive value. The development of new biochemical and physical methods has resulted in obtaining deep insights into the structures of seed proteins and their mutual interactions. Intensive exchange of information between the scientists participating in national and international research programmes has given strong impulses for intensifying the research in this field. For the quantitative and quali tative investigations of seed proteins, not only some model plants were used; on the contrary, they were carried out on a large number of different crops important for different regions of the earth. In this way, a level of knowledge has been reached which could not be expected in this diversity within such a short period. This holds not only true for biochemical but also for physiological characters of the species of the limiting amino acids studied. With regard to nutritional aspects, the problem was of special interest, but also seed proteins acting as antinutritional factors were analysed in detail. Based on the knowledge of seed protein structures, it was possible to perform investigations on the genetic basis of their synthesis. This was done under two different aspects: The basic knowledge on the genes involved should be widened; moreover, it should be tried to improve the seed proteins quantitatively and qualitatively under the influence of mutant genes.
Contents
1. Relevance of Protein Improvement in Plant Breeding.- 2. International Research Programmes for the Genetic Improvement of Grain Proteins.- 3. Methods for Quantitative and Qualitative Characterization of Seed Proteins of Cereals and Legumes.- 4. Genetics of Seed Proteins in Wheat.- 5. Characterization and Synthesis of Barley Seed Proteins.- 6. Barley Seed Proteins and Possibilities for their Improvement.- 7. Seed Protein of Rice and Possibilities of its Improvement through Mutant Genes.- 8. Genetic Basis of Storage Protein Synthesis in Maize.- 9. Seed Protein Fractions of Maize, Sorghum, and Related Cereals.- 10. The Genetic Control of Seed Protein Production in Legumes.- 11. The Storage Proteins of Phaseolus vulgaris, L., Vicia faba L., and Pisum sativum L.- 12. Seed Protein Production of Pisum Mutants and Recombinants.- 13. The Behaviour of a Protein-rich Pisum Mutant in Crossing Experiments.- 14. Storage Proteins of Soybean.- 15. Possibilities of Seed Protein Improvement in Tropical and Sub-tropical Legumes.- 16. Study of Evolutionary Problems by means of Seed Protein Electrophoresis.- 17. The Nutritive Value of Seed Proteins.
