Tiny self-assembling transport networks, powered by nano-scale motors and controlled by DNA, have been developed by scientists at Oxford University and Warwick University.
Bio & Medicine
Nov 10, 2013
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Writing in his journal about the scientists of his era, Henry David Thoreau bemoaned their blindness to significant phenomena: "The question is not what you look at, but what you see." More than 150 years later, his words ...
Cell & Microbiology
Jul 18, 2013
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Like an impossibly twisted telephone cord, DNA, the molecule that encodes genetic information, also often finds itself twisted into coils. This twisting, called supercoiling, is caused by enzymes that travel along DNA's helical ...
Cell & Microbiology
Jun 28, 2013
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(Phys.org) —Molecular motor proteins inside the body, called kinesins, are a lot like the motor in your car. The molecular motors convert stored chemical energy into specific conformational changes, which lead to various ...
Cell & Microbiology
Mar 19, 2013
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(Phys.org)—Using an innovative approach, scientists at The Scripps Research Institute (TSRI) have determined the structure of Ltn1, a recently discovered "quality-control" protein that is found in the cells of all plants, ...
Biochemistry
Jan 14, 2013
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The interior of an animal cell is like a small city, with factories—called organelles—dedicated to manufacturing, energy production, waste processing, and other life functions. A network of intercellular "highways," called ...
Cell & Microbiology
Dec 13, 2012
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(Phys.org)—Physics researchers working at Brandeis University have created a gel that is capable of spontaneous movement. In their paper published in the journal Nature, the team describes how they created gel drops by ...
In a critical breakthrough in unraveling how molecular "motors" ferry proteins and nutrients through cells, Harvard scientists have produced high-resolution images that show how the "foot" of dynein—one of the most complex, ...
Cell & Microbiology
Oct 23, 2012
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University of Sheffield scientists have decoded the processes which create proteins in all forms of life which - for the first time - opens the door to fixing these problems which can cause fatal health problems like Motor ...
Biotechnology
Aug 14, 2012
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Kinesins assume a vital function in our cells: The tiny cargo transporters move important substances along lengthy protein fibers and ensure an effective transportation infrastructure. Biophysicists of the Technische Universitaet ...
Cell & Microbiology
Apr 26, 2012
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