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Full-Text Articles in Biochemistry, Biophysics, and Structural Biology
Methyltransferase, Glucose Adaptation, And Import Complex In Trypanosoma Brucei, Emily Knight
Methyltransferase, Glucose Adaptation, And Import Complex In Trypanosoma Brucei, Emily Knight
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Trypanosoma brucei is a kinetoplastid parasite responsible for human African trypanosomiasis (HAT) and nagana, a livestock wasting disease, which both endemic to sub-Saharan Africa. Unique to kinetoplastids are the specialized peroxisomes, named glycosomes, which compartmentalize the first several steps of glycolysis and gluconeogenesis, nucleotide sugar biosynthesis, and many other metabolic processes. Kinetoplastids are unique in that they have a single mitochondrion. In this work, I present the first study into SET domain proteins in any kinetoplastid parasites. We have characterized a predicted SET domain protein, TbSETD3, that localizes to the mitochondrion and a depletion of the protein results in growth …
The Effects Of Tubulin Post-Translational Modifications On The Flagellar Motility Of Trypanosoma Brucei, Katherine Wentworth
The Effects Of Tubulin Post-Translational Modifications On The Flagellar Motility Of Trypanosoma Brucei, Katherine Wentworth
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Trypanosoma brucei is a parasitic kinetoplastid that causes African trypanosomiasis and is transmitted to a mammalian host by the tsetse fly (Glossina spp.). T. brucei relies on its flagellar motility to carry out its morphological changes from the procyclic form (predominant in the fly vector) to the bloodstream form (infectious form in mammals) and navigate the bloodstream of its host. The driving structure within the flagellum is the axoneme, which is composed of microtubules and dynein motor proteins. The tubulin code hypothesis suggests that cells regulate microtubule motor protein activity through post-translational modifications (PTMs) of alpha and beta …
An Investigation Of Trypanosoma Brucei Hexokinases: Localization, Oligomerization, And Inhibition, April Joice
An Investigation Of Trypanosoma Brucei Hexokinases: Localization, Oligomerization, And Inhibition, April Joice
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Trypanosoma brucei is the causative agent of African sleeping sickness in humans and nagana in livestock. The parasite inhabits multiple environmental niches including the bloodstream of the mammalian host and the mid-gut of the tsetse fly vector. While in the bloodstream of its mammalian host, the organism depends solely on glycolysis for production of ATP. My studies focus on the first enzyme in glycolysis, hexokinase.
T. brucei has two hexokinases, TbHK1 and TbHK2 that are 98.5% identical at the nucleotide level. The hexokinases are expressed in the glycosomes of both procyclic form and bloodstream form parasites. Glycosomes are peroxisome-like organelles …