In order to react effectively to changes in the surroundings, bacteria must be able to quickly turn specific genes on or off. Although the overall mechanisms behind gene regulation have long been known, the fine details have ...
Cell & Microbiology
Nov 11, 2013
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Structures that put a spin on light reveal tiny amounts of DNA with 50 times better sensitivity than the best current methods, a collaboration between the University of Michigan and Jiangnan University in China has shown.
Bio & Medicine
Oct 28, 2013
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Scientists at the U.S. Department of Energy's Brookhaven National Laboratory have developed a general approach for combining different types of nanoparticles to produce large-scale composite materials. The technique, described ...
Nanomaterials
Oct 20, 2013
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They call it the "white plague," and like its black counterpart from the Middle Ages, it conjures up visions of catastrophic death, with a cause that was at first uncertain even as it led to widespread destruction – on ...
Environment
Sep 12, 2013
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(Phys.org) —Researchers have reconstructed the mitochondrial genome of a Middle Pleistocene cave bear using a bone sample found in Spain. This is the first time anyone has reconstructed such an old genome from a sample ...
Nanoscale "cages" made from strands of DNA can encapsulate small-molecule drugs and release them in response to a specific stimulus, McGill University researchers report in a new study.
Bio & Medicine
Sep 1, 2013
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A new straightforward method enables monitoring the response of nuclear proteins to DNA damage in time and space. The approach is based on nonlinear photoperturbation.
Biochemistry
Aug 9, 2013
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Chemists at Johannes Gutenberg University Mainz (JGU) have developed a new method for parallel protein analysis that is, in principle, capable of identifying hundreds or even thousands of different proteins. It could be used ...
Bio & Medicine
Jul 31, 2013
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X chromosomes are very special genetic material. They differ in number between men and women. To achieve equality between sexes, one out of two X chromosomes in women is silenced. In flies, the opposite happens: in male flies, ...
Cell & Microbiology
Jul 25, 2013
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A team of researchers working at Germany's Technische Universität Braunschweig has succeeded in using a previously known DNA origami construction technique to build a nanoantenna with a docking site. First published in the ...
