This book draws together the most relevant and recent advances in the area of ionic transport in animals. In particular, it describes the role of modern cell and molecular biology research techniques in this rapidly advancing field. These techniques have led to important advances in our knowledge of cellular mechanisms of ion transporting epithelia, the role and expression of osmoregulatory hormones and a new understanding of whole body salt and water balance.
This book draws together the most relevant and recent advances in the area of ionic transport in animals. In particular, it describes the role of modern cell and molecular biology research techniques in this rapidly advancing field. These techniques have led to important advances in our knowledge of cellular mechanisms of ion transporting epithelia, the role and expression of osmoregulatory hormones and a new understanding of whole body salt and water balance.
1 The Ecophysiology of Osmoregulation in Crustacea.- 1.1 Introduction.- 1.2 Steady-state strategies.- 1.3 The development of osmoregulatory capacity.- 1.4 Brood pouches and osmoregulation.- 1.5 Environmental effects on crustacean osmoregulation.- 1.6 Intraspecific difference in osmoregulation.- 1.7 Conclusions.- References.- 2 Ambient ions and the voltage across crayfish gills.- 2.1 Introduction.- 2.2 Experimental Results.- 2.3 Discussion.- References.- 3 Regulating the micro-environment of ion transporting epithelia: A comparative approach.- 3.1 Introduction.- 3.2 Water movements across epithelia.- 3.3 Secretion by goblet cells.- 3.4 Exocytosis, swelling and dispersal of mucus.- References.- 4 Osmotic and Ionic Osmoregulation in Cyclostomes.- 4.1 Introduction.- 4.2 Hagfish.- 4.3 Lamprey.- 4.4 Control Mechanisms.- 4.5 Conclusions.- 4.6 Acknowledgements.- References.- 5 Ion and Water Balance in Elasmobranch Fish.- 5.1 Introduction.- 5.2 Gills.- 5.3 Kidney.- 5.4 Gut.- 5.5 Rectal gland.- 5.6 Freshwater and Euryhaline Elasmobranchs.- 5.7 Acknowledgements.- References.- 6 Gill Chloride Cells Activation by Plasma Osmolarity.- 6.1 Introduction and Background.- 6.2 The importance of osmolarity.- 6.3 Conclusion.- References.- 7 The use of Modern Microscopical Techniques for the Study of Fish Gill.- 7.1 Introduction.- 7.2 Quantification of chloride cells.- 7.3 Branchial ion transport in freshwater fish.- 7.4 Perspectives.- References.- 8 Transport and Housekeeping of calcium in Fish Gills.- 8.1 Introduction.- 8.2 Overcapacity of transporters; Ca2+ transport in stanniectomized eels.- 8.3 Involvement of carriers in transepithelial Ca2+ transport.- 8.4 Housekeeping.- References.- 9 Drinking in marine, euryhaline and freshwater teleost fish.- 9.1 Introduction.- 9.2 The renin-angiotensin system and drinking in teleost fish.- 9.3 Drinking in freshwater and the role of the RAS.- 9.4 Drinking in seawater.- 9.5 Drinking in larvae.- 9.6 Absorption of water and salts in marine fish.- 9.7 Effect of cortisol on drinking.- 9.8 Effect of atrial natriuretic peptide on drinking.- 9.9 Effect of temperature on drinking.- References.- 10 Teleost Renal Function: Regulation by Arginine Vasotocin and by Angiotensins.- 10.1 Introduction.- 10.2 Renin-angiotensin system (RAS).- 10.3 Arginine vasotocin (AVT).- References.- 11 Arginine Vasotocin (AVT) Controls Renal Sodium and Water Excretion in Birds through Interaction with a new ADH Receptor Subtype.- 11.1 Body fluid homeostasis.- 11.2 The antidiuretic hormone AVT.- 11.3 AVT-induced antidiuresis and antinatriuresis.- 11.4 The renal AVT/AVP receptor in birds.- 11.5 Conclusions.- References.- 12 Intracellular signalling in salt-secreting cells - Recent Advances in the Avian Nasal Gland Model.- 12.1 Introduction.- 12.2 Mechanism of secretion.- 12.3 Intracellular calcium signalling.- 12.4 Activation of secretion by intracellular calcium.- 12.5 Activation of secretion by intracellular cyclic AMP.- 12.6 Interactions between calcium and cyclic AMP signals.- 12.7 Conclusions.- References.
1 The Ecophysiology of Osmoregulation in Crustacea.- 1.1 Introduction.- 1.2 Steady-state strategies.- 1.3 The development of osmoregulatory capacity.- 1.4 Brood pouches and osmoregulation.- 1.5 Environmental effects on crustacean osmoregulation.- 1.6 Intraspecific difference in osmoregulation.- 1.7 Conclusions.- References.- 2 Ambient ions and the voltage across crayfish gills.- 2.1 Introduction.- 2.2 Experimental Results.- 2.3 Discussion.- References.- 3 Regulating the micro-environment of ion transporting epithelia: A comparative approach.- 3.1 Introduction.- 3.2 Water movements across epithelia.- 3.3 Secretion by goblet cells.- 3.4 Exocytosis, swelling and dispersal of mucus.- References.- 4 Osmotic and Ionic Osmoregulation in Cyclostomes.- 4.1 Introduction.- 4.2 Hagfish.- 4.3 Lamprey.- 4.4 Control Mechanisms.- 4.5 Conclusions.- 4.6 Acknowledgements.- References.- 5 Ion and Water Balance in Elasmobranch Fish.- 5.1 Introduction.- 5.2 Gills.- 5.3 Kidney.- 5.4 Gut.- 5.5 Rectal gland.- 5.6 Freshwater and Euryhaline Elasmobranchs.- 5.7 Acknowledgements.- References.- 6 Gill Chloride Cells Activation by Plasma Osmolarity.- 6.1 Introduction and Background.- 6.2 The importance of osmolarity.- 6.3 Conclusion.- References.- 7 The use of Modern Microscopical Techniques for the Study of Fish Gill.- 7.1 Introduction.- 7.2 Quantification of chloride cells.- 7.3 Branchial ion transport in freshwater fish.- 7.4 Perspectives.- References.- 8 Transport and Housekeeping of calcium in Fish Gills.- 8.1 Introduction.- 8.2 Overcapacity of transporters; Ca2+ transport in stanniectomized eels.- 8.3 Involvement of carriers in transepithelial Ca2+ transport.- 8.4 Housekeeping.- References.- 9 Drinking in marine, euryhaline and freshwater teleost fish.- 9.1 Introduction.- 9.2 The renin-angiotensin system and drinking in teleost fish.- 9.3 Drinking in freshwater and the role of the RAS.- 9.4 Drinking in seawater.- 9.5 Drinking in larvae.- 9.6 Absorption of water and salts in marine fish.- 9.7 Effect of cortisol on drinking.- 9.8 Effect of atrial natriuretic peptide on drinking.- 9.9 Effect of temperature on drinking.- References.- 10 Teleost Renal Function: Regulation by Arginine Vasotocin and by Angiotensins.- 10.1 Introduction.- 10.2 Renin-angiotensin system (RAS).- 10.3 Arginine vasotocin (AVT).- References.- 11 Arginine Vasotocin (AVT) Controls Renal Sodium and Water Excretion in Birds through Interaction with a new ADH Receptor Subtype.- 11.1 Body fluid homeostasis.- 11.2 The antidiuretic hormone AVT.- 11.3 AVT-induced antidiuresis and antinatriuresis.- 11.4 The renal AVT/AVP receptor in birds.- 11.5 Conclusions.- References.- 12 Intracellular signalling in salt-secreting cells - Recent Advances in the Avian Nasal Gland Model.- 12.1 Introduction.- 12.2 Mechanism of secretion.- 12.3 Intracellular calcium signalling.- 12.4 Activation of secretion by intracellular calcium.- 12.5 Activation of secretion by intracellular cyclic AMP.- 12.6 Interactions between calcium and cyclic AMP signals.- 12.7 Conclusions.- References.
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