Our master circadian clock resides in a small group of about 10'000 neurons in the brain, called the suprachiasmatic nucleus. However, similar clocks are ticking in nearly all cells of the body, as demonstrated by the group ...
Cell & Microbiology
Oct 26, 2012
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(Phys.org)—Using clusters of tiny magnetic particles about 1,000 times smaller than the width of a human hair, researchers from the UCLA Henry Samueli School of Engineering and Applied Science have shown that they can manipulate ...
Bio & Medicine
Oct 16, 2012
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Using a computational model they designed to incorporate detailed information about plants' interconnected metabolic processes, scientists at the U.S. Department of Energy's Brookhaven National Laboratory have identified ...
Biotechnology
Oct 9, 2012
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As restaurant patrons' diverse food preferences give rise to varied menu offerings, so plant-eating insects' preferences play an important role in maintaining and shaping the genetic variation of their host plants in a geographic ...
Biotechnology
Oct 4, 2012
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The endoplasmic reticulum of cells provides a pivotal quality-control system that eliminates improperly folded, or misfolded, glycoproteins, such as antibodies and hormones. The UDP-glucose:glycoprotein glycotransferase (UGGT) ...
Biochemistry
Oct 3, 2012
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Too many nutrients can put corals at risk, a new study shows. Excessive nitrogen in the water affects their ability to cope with rising water temperatures and other environmental pressures, making them vulnerable to harmful ...
Environment
Sep 27, 2012
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(Phys.org)—Abhyudai Singh, assistant professor of electrical and computer engineering at the University of Delaware, describes a new method to understand sources of "noise" in gene-expression that create variability in ...
Biotechnology
Sep 26, 2012
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New research shows that in a bid to derive energy from iron, bacteria may be directly responsible for kicking off a cascade of reactions that reduce rocks to soil and free biologically important minerals.
Cell & Microbiology
Sep 21, 2012
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Chemists at UC San Diego have developed a method that for the first time provides scientists the ability to attach chemical probes onto proteins and subsequently remove them in a repeatable cycle.
Biochemistry
Sep 16, 2012
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Larvae of the cotton bollworm (Helicoverpa armigera) are dreaded pests all over the world. They have a very wide host range: About 200 different plant species are known as potential food for the voracious insect. The herbivore ...
Biotechnology
Sep 12, 2012
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