For the first time, researchers at the University of North Carolina at Chapel Hill have isolated adult stem cells from human intestinal tissue.
Apr 04, 2013
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The bacterium Photorhabdus luminescens is a constant companion of some roundworms. These worms assault insect larvae, thereby infecting them with the bacteria; the pathogens then attack the cells of their ...
Mar 21, 2013
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Researchers at the RUB and from the MPI Dortmund have uncovered the mechanism that switches off the cell transport regulating proteins. They were able to resolve in detail how the central switch protein Rab is down-regulated ...
Dec 19, 2012
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(Phys.org)—Preventing activity of a key enzyme in potatoes could help boost potato quality by putting an end to cold-induced sweetening, according to U.S. Department of Agriculture (USDA) scientists.
Oct 15, 2012
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A number of environmental toxins pose considerable health threats to humans, and the heavy metal cadmium (Cd) ranks high on the list. Most of us are exposed to it through plant-derived foods such as grains and vegetables. ...
Sep 12, 2012
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Muscle contraction and many other movement processes are controlled by the interplay between myosin and actin filaments. Two further proteins, tropomyosin and troponin, regulate how myosin binds to actin. ...
Jul 19, 2012
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(Phys.org) -- When genetic information is read from the genetic blueprint DNA, RNA polymerase II translates it into RNA molecules. The C-terminal domain, abbreviated as CTD, is an important area of the polymerase ...
May 21, 2012
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The search for new drug candidates for cancer treatment is laborious and time-consuming. Only a fraction of the promising chemical compounds identified completes the transition to the market. Herbert Waldmann ...
Feb 28, 2012
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(PhysOrg.com) -- New active substances can be produced quickly and efficiently with the help of reaction cascades. Once set in motion, these processes lead to the desired end product via a series of intermediate steps which ...
Dec 26, 2011
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Yale University researchers have successfully re-engineered the protein-making machinery in bacteria, a technical tour de force that promises to revolutionize the study and treatment of a variety of diseases.
Aug 25, 2011
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One of the peskiest household pests, while disastrous to homes, could prove to be a boon for cars, according to a Purdue University study.
Jul 05, 2011
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(PhysOrg.com) -- Most people are familiar with the seven deadly sins - pride, envy, gluttony, lust, wrath, greed and sloth - but could there be molecular solutions for this daily struggle between good and evil?
Apr 11, 2011
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A team of scientists at The Scripps Research Institute and the University of Virginia has determined the structure of the protein package that delivers the genetic material of the human immunodeficiency virus (HIV) to human ...
Jan 19, 2011
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A clue to the causes of autism and mental retardation lies in the synapse, the tiny intercellular junction that rapidly transfers information from one neuron to the next. According to neuroscientists at Tufts University School ...
Aug 23, 2010
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(PhysOrg.com) -- When it infects the lungs, the Legionnaire’s bacterium Legionella pneumophila causes acute pneumonia. The pathogen’s modus operandi is particularly ingenious: it infiltrates deliberately ...
Jul 23, 2010
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