Biochemistry of Selenium [Paperback]

1. Forms of Selenium.- 1.1 Low Molecular-Weight Compounds.- 1.1.1 Selenocysteine.- 1.1.2 Selenocystine.- 1.1.3 Selenohomocystine.- 1.1.4 Se-methylselenocysteine.- 1.1.5 Selenocystathionine.- 1.1.6 Selenomethionine.- 1.1.7 Se-methylselenomethionine.- 1.1.8 Dimethyl Selenide.- 1.1.9 Dimethyl Diselenide.- 1.1.10 Trimethyl Selenonium.- 1.1.11 Elemental Selenium.- 1.1.12 Selenotaurine.- 1.1.13 Selenocoenzyme A.- 1.1.14 Other Compounds.- 1.2 Macromolecular Forms of Selenium.- 1.2.1 Formate Dehydrogenase.- 1.2.2 Glycine Reductase.- 1.2.3 Nicotinic Acid Hydroxylase.- 1.2.4 Xanthine Hydrogenase.- 1.2.5 Thiolase.- 1.2.6 Glutathione Peroxidase.- 1.2.7 Miscellaneous Selenoproteins.- 1.2.8 Seleno-tRNAs.- 11.11 References.- 2. Selenium Deficiency Diseases in Animals.- 2.1 Introduction.- 2.2 Dietary Liver Necrosis and Factor 3.- 2.2.1 Discovery.- 2.2.2 Pathology.- 2.2.3 Biochemical Defect.- 2.2.4 Hepatosis Dietetica.- 2.3 Nutritional Muscular Dystrophy.- 2.3.1 Pathology.- 2.3.2 Prevention of NMD.- 2.4 Exudative Diathesis.- 2.5 Pancreatic Degeneration.- 2.6 Mulberry Heart Disease.- 2.7 Reproductive Problems.- 2.8 Myopathy of the Gizzard.- 2.9 Growth.- 2.10 SeleniumResponsive Unthriftiness of Sheep and Cattle.- 2.11 Periodontal Disease of Ewes.- 2.12 Encephalomalacia.- 11.11 References.- 3. Metabolism of Selenium.- 3.1 Absorption.- 3.2 Placental Transfer.- 3.3 Mechanism of the Antioxidant Action of Selenium.- 3.4 Effect of Paraquat.- 3.5 Effect on Cytochrome P-450.- 3.6 Selenium and Hepatic Heme Metabolism.- 11.11 References.- 4. Comparative Metabolism and Biochemistry of Selenium and Sulphur.- 4.1 Introduction.- 4.2 Comparative Metabolism of Selenium and Sulphur.- 4.2.1 Microorganisms.- 4.2.2 Plants.- 4.2.3 Animals.- 4.3 Comparative Biochemistry of Selenium and Sulphur.- 4.3.1 Selenopersulfide as an Electron Transfer Catalyst.- 4.3.2 Iron-Sulphur Proteins.- 4.3.3 Sulphur Salts and Selenium Toxicity in Animals.- 4.3.4 Other Selenium-Sulphur Interactions.- 11.11 References.- 5. Biol³e