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Full-Text Articles in Biochemistry, Biophysics, and Structural Biology
Fatty Acids And Parasitism: Towards A Better Understanding Of Lipid Metabolism In Trypanosoma Brucei, Joshua Saliutama
Fatty Acids And Parasitism: Towards A Better Understanding Of Lipid Metabolism In Trypanosoma Brucei, Joshua Saliutama
All Dissertations
Trypanosoma brucei is an extracellular eukaryotic parasite that causes sleeping sickness in humans and cattle. As an extracellular parasite, T. brucei relies on the host’s nutrients to satisfy its growth requirements. The parasite is unusual because it does not uptake most of the host’s lipid species. Instead, T. brucei prefers to perform de novo synthesis of most lipid species. One of the lipid species that T. brucei can both uptake and synthesize is fatty acids. In my thesis work, I investigated the dynamics of fatty acid uptake, metabolism, and utilization of T. brucei. My work starts by determining the …
Characterization Of De Novo Fatty Acid Biosynthesis In Soybean Somatic Embryo Plastids, Karen Clark
Characterization Of De Novo Fatty Acid Biosynthesis In Soybean Somatic Embryo Plastids, Karen Clark
All Theses
A method for the isolation of intact physiologically active plastids from rapidly developing soybean (Glycine max L.) somatic embryos has been developed for the in vitro study of lipid metabolism. Using de novo fatty acid biosynthesis from 14C-acetate as a marker for physiological functionality, the greatest rates of fatty acid biosynthesis were recovered in 3000 x g fractions that were isolated in the presence of 0.5 M sorbitol, with essentially no activity occurring in the 3000 x g supernatant. Plastids purified on 10% Percoll were approximately 70 and 97 % free from mitochondrial and ER contamination, respectively, as judged …