Halogenated tryptophan derivatives disrupt essential transamination mechanisms in bloodstream form Trypanosoma brucei
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چکیده
منابع مشابه
Phosphatidylinositol synthesis is essential in bloodstream form Trypanosoma brucei.
PI (phosphatidylinositol) is a ubiquitous eukaryotic phospholipid which serves as a precursor for messenger molecules and GPI (glycosylphosphatidylinositol) anchors. PI is synthesized either de novo or by head group exchange by a PIS (PI synthase). The synthesis of GPI anchors has previously been validated both genetically and chemically as a drug target in Trypanosoma brucei, the causative par...
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Topoisomerase-II accumulates at centromeres during prometaphase, where it resolves the DNA catenations that represent the last link between sister chromatids. Previously, using approaches including etoposide-mediated topoisomerase-II cleavage, we mapped centromeric domains in trypanosomes, early branching eukaryotes in which chromosome segregation is poorly understood. Here, we show that in blo...
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The unfolded protein response (UPR) is a stress mechanism to cope with misfolded proteins in the early secretory pathway, the hallmark being transcriptional upregulation of endoplasmic reticulum (ER) molecular chaperones such as BiP and protein disulfide isomerase. Despite the lack of transcriptional regulation and the absence of the classical UPR machinery, African trypanosomes apparently resp...
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Ectopic expression of either wild type or mutant proteins is a standard method in cell biology, and a vital part of the tool kit of molecular parasitology. During study of protein expression levels mediating intracellular trafficking, we became aware of highly variable expression between experiments. When investigated systematically it became apparent that ectopic expression of proteins from a ...
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On the basis of the experimentally determined kinetic properties of the trypanosomal enzymes, the question is addressed of which step limits the glycolytic flux in bloodstream form Trypanosoma brucei. There appeared to be no single answer; in the physiological range, control shifted between the glucose transporter on the one hand and aldolase (ALD), glyceraldehyde-3-phosphate dehydrogenase (GAP...
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ژورنال
عنوان ژورنال: PLOS Neglected Tropical Diseases
سال: 2020
ISSN: 1935-2735
DOI: 10.1371/journal.pntd.0008928