Kooperativer Bibliotheksverbund

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Umfang: 1 online resource (371 p.)

ISBN: 1-281-01171-1 , 9786611011710 , 0-08-049751-9

Serie: Fish physiology ; v. 20

Inhalt: This book provides a comprehensive collection of timely reviews of our current understanding of the fundamental principles of nitrogen metabolism and excretion in fish. Emphasis is placed on critical assessment of how new studies impact these topics, and the articles reflect the diversity of current research approaches.

Anmerkung: Description based upon print version of record. , Front Cover; Nitrogen Excretion; Copyright Page; CONTENTS; Contributors; Preface; Chapter 1. Evolutionary Considerations of Nitrogen Metabolism and Excretion; I. Introduction: The Changing Roles of Ammonia and Urea; II. Evolution of Urea as an Osmolyte and Excretory Product in Fish; III. Uricotely and Other End Products; IV. Summary and Epilogue; References; Chapter 2. Protein Synthesis; I. Introduction; II. General Models of Protein Synthesis; III. Protein Synthesis and Amino Acid Flux; IV. Factors That Modify Protein Synthesis; V. Energetic Cost of Protein Synthesis in Fish; VI. Summary , ReferencesChapter 3. Amino Acid Metabolism; I. Introduction; II. Digestion and Uptake of Amino Acids; III. Delivery Systems; IV. Tissues; V. Exercise; VI. Hormonal Regulation; VII. Diurnal Rhythms in Amino Acid Metabolism; VIII. Diet and Starvation; IX. Temperature; X. Salinity; XI. Anoxia; XII. Summary; References; Chapter 4. Ammonia Toxicity, Tolerance, and Excretion; I. Introduction; II. Ammonia Toxicity to Fish; III. Strategies to Reduce, Tolerate, or Avoid Ammonia Toxicity; IV. Summary; References; Chapter 5. Ontogeny of Nitrogen Metabolism and Excretion; I. Early Development of Fishes , II. Free Amino AcidsIII. Nutritional Demands; IV. Nitrogen End Products and Their Chemistry in Solution; V. Nitrogen Metabolism; VI. Nitrogen Excretion; VII. Summary; References; Chapter 6. Influence of Feeding, Exercise, and Temperature on Nitrogen Metabolism and Excretion; I. Introduction; II. Feeding and Nitrogen Metabolism; III. Metabolic Fuel Usage and Nitrogen Metabolism; IV. Exercise and Nitrogen Metabolism; V. Temperature and Nitrogen Metabolism; VI. Other Nitrogen Products?; VII. Excretion Mechanisms; VIII. Elasmobranchs; IX. Concluding Remarks; References , Chapter 7. Urea and Glutamine Synthesis: Environmental Influences on Nitrogen ExcretionI. Introduction; II. Carbamoyl-Phosphate Synthetase III and Nitrogen Excretion in Fish; III. Glutamine Synthetase and Ammonia Detoxification; IV. Urea Cycle in Elasmobranchs; V. Urea Cycle in Teleosts: Adaptation to Unique Environmental Circumstances; VI. Summary; References; Chapter 8. Urea Transport; I. Introduction; II. Urea Transport in Mammalian Systems; III. Physiology of Urea Transport in Fish; IV. Prospects for Future Research and Evolutionary Perspectives; References , Chapter 9. Nitrogen Compounds as OsmolytesI. Introduction; II. Types and Contents of Osmolytes; III. Metabolism and Regulation of Osmolytes; IV. Properties and Functions of Nitrogen Osmolytes; V. Mechanisms of Compatibility and Counteraction: Osmolytes and Water Structure; VI. Evolutionary Considerations; VII. Practical Applications, Exceptions, and Unanswered Questions; References; Index; Other Volumes in the Fish Physiology Series , English

Weitere Ausg.: ISBN 0-12-350444-9

Sprache: Englisch