Search Results - "Henderson, Graeme B"
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Purification and characterization of dihydroorotate dehydrogenase from the rodent malaria parasite Plasmodium berghei
Published in Biochemistry (Easton) (19-02-1991)“…Dihydroorotate dehydrogenase (DHODase) has been purified 400-fold from the rodent malaria parasite Plasmodium berghei to apparent homogeneity by Triton X-100…”
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Pyrimidine biosynthesis in parasitic protozoa: purification of a monofunctional dihydroorotase from Plasmodium berghei and Crithidia fasciculata
Published in Biochemistry (Easton) (03-07-1990)“…Dihydroorotase (DHOase) catalyzes the reversible cyclization of N-carbamoyl-L-aspartate (L-CA) to L-5,6-dihydroorotate (L-DHO), which is the third enzyme in de…”
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3
Substrate specificity of the flavoprotein trypanothione disulfide reductase from Crithidia fasciculata
Published in Biochemistry (Easton) (02-06-1987)“…The substrate specificity of the trypanosomatid enzyme trypanothione reductase has been studied by measuring the ability of the enzyme to reduce a series of…”
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Biosynthesis of the trypanosomatid metabolite trypanothione: purification and characterization of trypanothione synthetase from Crithidia fasciculata
Published in Biochemistry (Easton) (24-04-1990)“…Trypanothione synthetase from Crithidia fasciculata has been purified ca. 14,500-fold to homogeneity in an overall yield of 40%. The pure enzyme catalyzed the…”
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An Iron-Carboxylate Bond Links the Heme Units of Malaria Pigment
Published in Proceedings of the National Academy of Sciences - PNAS (15-01-1991)“…The intraerythrocytic malaria parasite uses hemoglobin as a major nutrient source. Digestion of hemoglobin releases heme, which the parasite converts into an…”
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Hemoglobin Degradation in the Malaria Parasite Plasmodium falciparum: An Ordered Process in a Unique Organelle
Published in Proceedings of the National Academy of Sciences - PNAS (01-04-1990)“…The malaria parasite Plasmodium falciparum uses host erythrocyte hemoglobin as a major nutrient source. We report the purification of P. falciparum digestive…”
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Hemoglobin degradation in the human malaria pathogen Plasmodium falciparum : a catabolic pathway initiated by a specific aspartic protease
Published in The Journal of experimental medicine (01-04-1991)“…Hemoglobin is an important nutrient source for intraerythrocytic malaria organisms. Its catabolism occurs in an acidic digestive vacuole. Our previous studies…”
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Trypanothione is the Primary Target for Arsenical Drugs against African Trypanosomes
Published in Proceedings of the National Academy of Sciences - PNAS (01-04-1989)“…The trypanosomatid metabolite N1, N8-bis-(glutathionyl)spermidine (trypanothione) has been demonstrated to form a stable adduct with the aromatic arsenical…”
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X-Ray Structure of Trypanothione Reductase from Crithidia fasciculata at 2.4-Å Resolution
Published in Proceedings of the National Academy of Sciences - PNAS (01-10-1991)“…Trypanosomes and related protozoan parasites lack glutathione reductase and possess instead a closely related enzyme that serves as the reductant of a…”
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Subversive'' Substrates for the Enzyme Trypanothione Disulfide Reductase: Alternative Approach to Chemotherapy of Chagas Disease
Published in Proceedings of the National Academy of Sciences - PNAS (01-08-1988)“…The trypanosomatid flavoprotein disulfide reductase, trypanothione reductase, is shown to catalyze one-electron reduction of suitably substituted…”
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In vivo effects of difluoromethylornithine on trypanothione and polyamine levels in bloodstream forms of Trypanosoma brucei
Published in Molecular and biochemical parasitology (1987)“…The effect of D,L-alpha-difluoromethylornithine (DFMO) on thiol and polyamine levels in Trypanosoma brucei was investigated by isolating trypanosomes from…”
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Engineering the Substrate Specificity of Glutathione Reductase Toward that of Trypanothione Reduction
Published in Proceedings of the National Academy of Sciences - PNAS (01-10-1991)“…Glutathione reductase (EC 1.6.4.2; CAS registry number 9001-48-3) and trypanothione reductase (CAS registry number 102210-35-5), which are related flavoprotein…”
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Trypanothione dependent peroxide metabolism in Crithidia fasciculata and Trypanosoma brucei
Published in Molecular and biochemical parasitology (01-05-1987)“…A trypanothione-dependent peroxidase activity has been identified in the insect trypanosomatid Crithidia fasciculata and in the mammalian trypanosome…”
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Biochemical changes associated with alpha-difluoromethylornithine uptake and resistance in Trypanosoma brucei
Published in Molecular and biochemical parasitology (01-10-1987)“…Procyclic Trypanosoma brucei grown in semi-defined media are sensitive to alpha-difluoromethylornithine (DFMO) (EC50 100 microM), an inhibitor of ornithine…”
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The biosynthesis of trypanothione and N1-glutathionylspermidine in Crithidia fasciculata
Published in Molecular and biochemical parasitology (01-12-1986)“…Studies on the biosynthesis of trypanothione [N1,N8-bis(glutathionyl)-spermidine] in the insect trypanosomatid Crithidia fasciculata have led to the discovery…”
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Trypanothione reductase from Trypanosoma cruzi. Purification and characterization of the crystalline enzyme
Published in European journal of biochemistry (01-04-1987)“…The structural differences between trypanothione reductase of Trypanosoma cruzi and human glutathione reductase, an enzyme of known three-dimensional…”
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Preliminary crystallographic analysis of trypanothione reductase from Crithidia fasciculata
Published in Journal of molecular biology (1990)“…Trypanothione reductase, a flavoprotein disulfide reductase specific to trypanosomatid parasites, has been crystallized by vapor diffusion of a protein…”
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Trypanothione reductase from Trypanosoma cruzi
Published in European journal of biochemistry (01-04-1987)“…The structural differences between trypanothione reductase of Trypanosoma cruzi and human glutathione reductase, an enzyme of known three‐dimensional…”
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