(Phys.org)—Every minute of its existence, a living cell must assess and analyze myriad bits of information—everything from the temperature of its environment to the chemical makeup of its surroundings. Sometimes, these ...
Jan 25, 2013
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For the past several years, Min Guo, an assistant professor at The Scripps Research Institute, has focused on the intricate actions of an ancient family of catalytic enzymes that play a key role in translation, the process ...
Nov 15, 2012
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The structures of key bacterial proteins have revealed one of the biochemical secrets that enables bacteria to outwit antibiotics.
Sep 26, 2012
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Knowing how a living cell works means knowing how the chemistry inside the cell changes as the functions of the cell change. Protein phosphorylation, for example, controls everything from cell proliferation ...
Apr 30, 2012
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(Phys.org) -- How better to find out what effect ionizing radiation has on human skin than by using the real thing? Researchers at Pacific Northwest National Laboratory did that by performing a quantitative ...
Apr 24, 2012
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Human pluripotent stem cells, which can develop into any cell type in the body, rely heavily on glycolysis, or sugar fermentation, to drive their metabolic activities.
Nov 15, 2011
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(PhysOrg.com) -- Scientists from the Friedrich Miescher Institute for Biomedical Research have identified a new and important molecular player in glioblastoma. The amount of the MNK1 kinase is not only dramatically ...
Mar 18, 2011
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A Purdue University scientist's nanopolymer would make it easier and cheaper for drug developers to test the effectiveness of a widely used class of cancer inhibitors.
Mar 16, 2011
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Patients with Parkinson's disease (PD) suffer a specific loss of dopaminergic neurons from the midbrain region that controls motor function. The exact mechanism of this selective neurodegeneration is unclear, ...
Mar 07, 2011
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Fear of free radicals may be exaggerated, according to scientists from Karolinska Institutet. A new study, published in The Journal of Physiology, shows that free radicals act as signal substances that cause the heart to ...
Feb 28, 2011
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In analyzing the molecular sensor for the plant growth hormone brassinolide, researchers at the Salk Institute for Biological Studies discovered that although plants took an evolutionary path different from ...
Jan 31, 2011
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Many genes code for proteins that have a "polyglutamine tract," several glutamine amino acid residues in a row. Nine inherited neurodegenerative diseases, including Huntington's disease and spinocerebellar ataxia type 1 (SCA1), ...
Sep 22, 2010
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Marine bacteria live in a harsh mileu. They must constantly cope and adapt to changes in salinity, pH, temperature and other parameters. In her thesis, Barbara Weber, Umea University, studied how bacteria communicate with ...
Sep 07, 2010
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UT Southwestern Medical Center researchers have identified unique metabolic properties that allow a specific type of stem cell in the body to survive and replicate in low-oxygen environments.
Sep 03, 2010
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In both plant and animal cells, protein activity is often regulated by phosphorylation, by which a phosphate group is added to one or more sites on a protein. A team led by Ken Shirasu of RIKEN Plant Science ...
Aug 30, 2010
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