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Protein kinases are key regulators of many biochemical processes in eukaryotic cells. Malaria parasites, in spite of all their peculiarities, are not likely to represent an exception in this respect. Over the past few years, several genes encoding Plasmodi ...
A variety of extracellular ligands and pathogens interact with raft domains in the plasma membrane of eukaryotic cells. In this study, we examined the role of lipid rafts and raft-associated glycosylphosphatidylinositol (GPI)-anchored proteins in the proce ...
The past year has seen significant advances in our understanding of telomerase and other factors involved in chromosome end maintenance. The protein subunit of telomerase that provides the active site for telomeric DNA synthesis was identified in ciliates, ...
Described is method for introducing a desired nucleic acid into a eukaryotic host cell, said method comprising a) admixing the desired nucleic acid, a mono- and/or divalent metal cation and a eukaryotic host cell lacking a cell wallb) incubating the mixtur ...
A general method for the specific and covalent labeling of fusion proteins in vivo is described. The approach is based on the unusual mechanism of the human DNA repair protein O6-alkylguanine-DNA alkyl-transferase, which irreversibly transfers an alkyl gro ...
The interaction of a microbial pathogen with its host is a highly dynamic process shaped by evolution. Understanding cellular responses to microbial products is essential for a complete understanding of virulence. Similarly, studies aimed at determining ho ...
Telomerase is a ribonucleoprotein enzyme essential for the replication of chromosome termini in most eukaryotes. Telomerase RNA components have been identified from many organisms, but no protein component has been demonstrated to catalyze telomeric DNA ex ...
Cysteine-dependent aspartic proteases (caspases) are a family of enzymes which play a crucial role in apoptosis. Caspases accumulate in eukaryotic cells in the form of low-activity proenzyme precursors. Proteolytic cleavage of specific sites triggers confo ...
Telomeric TG-rich repeats and their associated proteins protect the termini of eukaryotic chromosomes from end-to-end fusions. Associated with the cap structure at yeast telomeres is a subtelomeric domain of heterochromatin, containing the silent informati ...
The central reaction in the process of N-linked protein glycosylation in eukaryotic cells, the transfer of the oligosaccharide Glc(3)Man(9)GlcNAc(2) from the lipid dolicholpyrophosphate to selected asparagine residues, is catalyzed by the oligosaccharyltra ...