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Summary A Plasmodium falciparum hexose transporter (PfHT) has previously been shown to be a facilitative glucose and fructose transporter. Its expression in Xenopus laevis oocytes and the use of a glucose analogue inhibitor permitted chemical validation of ...
The radical C-glycosidation of (-)-(1S,4R,5R,6R)-6-endo-chloro-3-methylidene-5-exo-(phenylseleno)-7-oxa bicyclo[2.2.1]heptan-2-one ((-)-4) with 2,3,4,6-tetra-O-acetyl-alpha-D-mannopyranosyl bromide gave (+)-(1S,3R,4R,5R,6R)-6-endo-chloro-5-exo-(phenylselen ...
Dynamic Nuclear Polarization MAS NMR is introduced to characterize model methylcellulose ether compounds at natural isotopic abundance. In particular an approach is provided to determine the position of the methyl ether group within the repeating unit. Spe ...
The Pt(ii) -diimine complexes [PtCl2{N-2-(HCNR)(2)}] (R = C6H11, 1; 4-C6H10OH, 2; 4-C6H4CH3, 3; 4-C6H4OH, 4) and [PtCl2{N-2-(CH3CNOH)(2)}] (5) were prepared in 60-81% yields from the 1:1 molar reactions of cis-[PtCl2(DMSO)(2)] with the appropriate -diimine ...
The title aza-C-disaccharides were obtained through a highly stereoselective cross-aldolisation of a 2,6,7-trideoxy-2,6-imino-D-glycero-L-mannose and a 7-oxanorbornanone derivative. ...
Cell surface oligosaccharides control cell adhesion, fertilization, inflammation, the immune response and metastasis. Their biosynthesis implies sequences of reactions catalysed by glycosidases and glycosyltranferases. Inhibitors of these enzymes are there ...
The objective of this thesis was to characterize the growth stoichiometry, the specific recombinant protein productivity and the regulation of the alcohol oxidase (AOX) enzyme of a Pichia pastoris Mut+ strain, performing conventional chemostat cultures and ...
DNA mechanics plays a crucial role in many biological processes, including nucleosome positioning and protein-DNA interactions. It is believed that nature employs epigenetic modifications in DNA to further regulate gene expression. Moreover, double-strande ...
The exclusive presence of beta -D-ribofuranose in nucleic acids is still a conundrum in prebiotic chemistry, given that pyranose species are substantially more stable at equilibrium. However, a precise characterisation of the relative furanose/pyranose fra ...
The Oshima-Nozaki (Et2AlI) condensation of isolevoglucosenone (4) with 2,6-anhydro-3,4,5,7-tetra-O-benzyl-D-glycero-D-gulo-heptose (5) gave an enone 6 that was converted with high stereoselectivity to 3-C-[(IR)-2,6-anhydro-D-glycero-D-gulo-heptitol-1-C-yl] ...
