Prof. Giorgio Sartor

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HOME Anthropology MARINE ORGANISMS Biomolecules Enzymes Membranes Proteins Biochemistry of pollutants Energy Lipids Metabolism Signal transduction Marine life Adaptation Enzymes & Proteins Molecules Eel (Anguilla anguilla) Bioluminescence Antifreeze proteins Marine toxins Marine inverebrates Cold adaptation Carbonic Anhydrase Squalene Electric fishes Heat Shock Proteins Glycosidases Trimethylammonium Oxide Metabolic adaptation Proteases UREA AND UREASE Oxygen transport systems Lipases Shell formation Sulfur metabolism A new proposal for urease mechanism based on the crystal structures of the native and inhibited enzyme from Bacillus pasteurii: why urea hydrolysis costs two nickels A Review of Osmoregulation in Freshwater and Marine Elasmobranchs Ammonia Excretion and Urea Handling by Fish Gills: Present Understanding and Future Research Challenges Chloride Cells and the Hormonal Control of Teleost Fish Osmoregulation Diluting segment in kidney of dogfish shark I. Localization and characterization of chloride absorption Diluting segment in kidney of dogfish shark. II. Electrophysiology of apical membranes and cellular resistances Effects of osmolytes on hexokinase kinetics combined with macromolecular crowding Test of the osmolyte compatibility hypothesis towards crowded systems Evidence for the Involvement of Carbonic Anhydrase and Urease in Calcium Carbonate Formation in the Gravity-Sensing Organ of Aplysia californica Glutamine-dependent Synthesis of Citrulline by Isolated Hepatic Mitochondria from Squalus acanthias Intracellular osmoregulatory role of amino acids and urea in marine elasmobranchs Mechanism of biosynthesis of trimethylamine oxide from choline in the teleost tilapia, Oreochromis niloticus, under freshwater conditions Mechanism of biosynthesis of trimethylamine oxide in tilapia reared under seawater conditions Metabolic organization of freshwater, euryhaline, and marine elasmobranchs: implications for the evolution of energy metabolism in sharks and rays Molecular Mechanisms of Urea Transport N-Acetyl-L-glutamate and the Urea Cycle in Gulf Toadfish (Opsanus beta) and Other Fish Nitrogen Excretion: Three End Products, Many Physiological Roles Nitrogen excretion and changes of hemocyanin, protein and free amino acid levels in the hemolymph of Penaeus monodon exposed to different concentrations of ambient ammonia-N at different salinity levels Nitrogen Excretion in Fish Nitrogen-Excretion in Selachian Ontogeny Nitrogen Metabolism in Lakes II. Role of Nitrogen Fixation in Sanctuary Lake, Pennsylvania Nitrogen Metabolites and Related Enzymatic Activities in The Body Fluids and Tissues of The Hydrothermal Vent Tubeworm Riftia Pachyptila Ontogeny of osmoregulation in postembryonic fish: A review Osmotic stress sensing and signaling in fishes Strain-Specific Ureolytic Microbial Calcium Carbonate Precipitation Structural properties of the nickel ions in urease: novel insights into the catalytic and inhibition mechanisms The accumulation of methylamine counteracting solutes in elasmobranchs with differing levels of urea: a comparison of marine and freshwater species The Biosynthesis of Trimethylamine-N-Oxide The Dogfish Shark (Squalus acanthias) Increases both Hepatic and Extrahepatic Ornithine Urea Cycle Enzyme Activities for Nitrogen Conservation after Feeding The effect of carbonic anhydrase, urea and urease on the calcium carbonate deposition in the shell-repair membrane of the snail, Helix pomatia L. The Little Skate Raja erinacea Exhibits an Extrahepatic Ornithine Urea Cycle in the Muscle and Modulates Nitrogen Metabolism during Low-Salinity Challenge The Physiology and Evolution of Urea Transport in Fishes Urea and Water Permeability in Dogfish (Squalus acanthias) Gills Urea based osmoregulation and endocrine control in elasmobranch fish with special reference to euryhalinity Urea Production and Transport in Teleost Fishes Archeology BIOCHEMISTRY Biology Chemistry Earth Sciences Medicine Physics Political Sciences Space Sciences Tools for sciences Books
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