Reproductive and somatic aging use different molecular mechanisms that show little overlap between the types of genes required to keep oocytes healthy and the genes that generally extend life span, according to Coleen Murphy, ...
Cell & Microbiology
Dec 6, 2011
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A honey bee becomes a royal queen or a common worker as a result of the food she receives as a larva. While it has been well established that royal jelly is the diet that makes bees queens, the molecular path from food to ...
Plants & Animals
Nov 10, 2011
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A new method for visualizing mechanical forces on the surface of a cell, reported in Nature Methods, provides the first detailed view of those forces, as they occur in real-time.
Biochemistry
Nov 9, 2011
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Research led by St. Jude Children's Research Hospital scientists advances a strategy for taming the side effects and enhancing the therapeutic benefits of steroids and other medications that work by disrupting the activity ...
Biochemistry
Oct 21, 2011
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Plants do not have eyes or legs, yet they are able to "see" and move toward and away from light. This ability, called phototropism, is controlled by a series of molecular-level signals between proteins inside and between ...
Cell & Microbiology
Oct 12, 2011
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Just as cell phones and computers transmit data through electronic networks, the cells of your body send and receive chemical messages through molecular pathways. The term "cell signaling" was coined more than 30 years ago ...
Biochemistry
Sep 15, 2011
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When plants, including crops, are exposed to environmental stresses such as drought or high salinity, abscisic acid (ABA), a stress-responsive hormone is synthesized to induce a protective response. At the same time, the ...
Biotechnology
Sep 9, 2011
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Plants coordinate growth using hormones called brassinosteroids (BR), and defects in the associated signaling pathway can result in profoundly stunted development. For example, researchers have identified numerous mutations ...
Cell & Microbiology
Aug 12, 2011
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German researchers at the Ruhr-Universitaet have succeeded in controlling the activity of certain nerve cells using light, thus influencing the movements of mice. By changing special receptors in nerve cells of the cerebellum ...
Biochemistry
Jul 20, 2011
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Purdue University biologists identified a new way in which bacteria hijack healthy cells during infection, which could provide a target for new antibiotics.
Cell & Microbiology
Jul 12, 2011
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