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Genes integrated near the telomeres of budding yeast have a variegated pattern of gene repression that is mediated by the silent information regulatory proteins Sir2p, Sir3p, and Sir4p. Immunolocalization and fluorescence in situ hybridization (FISH) revea ...
In Saccharomyces cerevisiae, the phosphoprotein phosphatase Cdc14p plays a central role in exit from mitosis, by promoting B-type cyclin degradation and allowing accumulation of the cyclin-dependent kinase inhibitor Sic1p. Cdc14p is sequestered in the nucl ...
Several Plasmodium falciparum genes encoding cdc2-related protein kinases have been identified, but the modalities of their regulation remains largely unexplored. In the present study, we investigated the regulation in vitro of PfPK5, a putative homologue ...
American Society for Biochemistry and Molecular Biology2000
Oxygen is a key substrate in animal cell metab. and its consumption is thus a parameter of great interest for bioprocess monitoring and control. A system for measuring it based on an oxygen balance on the liq. phase was developed. The use of a gas-permeabl ...
The yeast TBF1 gene is essential for mitotic growth and encodes a protein that binds the human telomere repeats in vitro, although its cellular function is unknown. The sequence of the DNA-binding domain of Tbf1p is more closely related to that of the huma ...
Using density functional calculations in the generalized gradient approximation, the excitation energy for the formation of a threefold coordinated oxygen atom is evaluated. The bistable E-1' defect of alpha-quartz in the neutral charge state is used as a ...
BACKGROUND: Chemical inhibitors of cyclin-dependent kinases (CDKs) have great therapeutic potential against various proliferative and neurodegenerative disorders. Olomoucine, a 2,6,9-trisubstituted purine, has been optimized for activity against CDK1/cycli ...
Bismuth-based layered compounds have been considered during the last years as interesting materials fur high temperature piezoelectric applications, due to their stability and wide thermal range of the ferroelectric activity. The high electrical conductivi ...
The onset of septum formation in the fission yeast Schizosaccharomyces pombe is signaled via the spglp GTPase-switch, which is part of the septation initiation network. This is negatively regulated by the two-component GTPase-activating protein (GAP) compr ...
Infection by some types of human papillomavirus (HPV) is associated with the development of cervical cancer. Analysis of viral DNA from cervical tumours shows that the E2 gene is frequently disrupted during integration into the host cell's DNA. It has ther ...
