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| weight loss, ucdavis nutrition department, essential fatty acids, amazon.com, healthcare, anti aging, plump teen , bipolar, developmental expression, plump booty , growth factor, turkey embryos, immunodeficiency, united, what are fatty acids , discount, galland, donor, newspaper, | Some of these fat fatty may affect membrane properties. We are examining adaptation of membranes of elasmobranch fishes (shark's skates and rays) to the high level of urea and methylamines found in their tissues. We have shown that elasmobranch mitochondrial membranes are unusual in their phospholipid and fatty acid composition and are now examining how solutes may affect these membranes. Mechanisms fat fatty of fat fatty urea retention in elasmobranch fishes. We are examining how the gills and kidneys of sharks and rays are adapted to retain urea. As the most important osmotically active particle in marine sharks and rays, urea retention plays an important role in the energetics of these fishes. Our research focuses on the membrane structure and the function of the urea transporters of the gills and kidneys of marine and freshwater elasmobranchs. |
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| The following sections list the current interests of myself and those in my laboratory. Metabolic regulation: Short-term thyroid hormone effects. We are studying the short term effects of thyroid hormones on mitochondrial metabolism of fish. We have also demonstrated that T2 and T3 act directly on mitochondria rather than acting via the genome. These findings may indicate a novel role for thyroid hormones bipolar in mediating certain aspects of mitochondrial metabolism. The role of proton leak in the metabolism of bipolar poilkilothermic organisms. We are examining the magnitude and energetic cost of the mitochondrial proton leak in poikilothermic organisms. The effects of environmental parameters such as temperature and salinity change on the proton leak are under investigation. Environmental adaptation: Solute effects on membrane structure and function. A variety of solutes are found at high levels in the cells of marine invertebrates and some fish. |
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