(Phys.org) —For the first time, an elusive step in the process of human DNA replication has been demystified by scientists at Penn State University. According to senior author Stephen J. Benkovic, an Evan Pugh Professor ...
Cell & Microbiology
Apr 1, 2013
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Bacteria appear to speed up their evolution by positioning specific genes along the route of expected traffic jams in DNA encoding. Certain genes are in prime collision paths for the moving molecular machineries that read ...
Cell & Microbiology
Mar 29, 2013
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Collaborators from Mayo-Illinois Alliance for Technology Based Healthcare have developed a new, single molecule test for detecting methylated DNA. Methylation—the addition of a methyl group of molecules to a DNA strand—is ...
Bio & Medicine
Mar 14, 2013
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(Phys.org) —The founding father of DNA nanotechnology – a field that forges tiny geometric building blocks from DNA strands – recently came to SLAC to get a new view of these creations using powerful X-ray laser pulses.
Bio & Medicine
Mar 12, 2013
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A team of USC scientists has identified a protein that can change DNA topology, making DNA twist up into a so-called "supercoil."
Cell & Microbiology
Mar 11, 2013
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A protein known for turning on genes to help cells survive low-oxygen conditions also slows down the copying of new DNA strands, thus shutting down the growth of new cells, Johns Hopkins researchers report. Their discovery ...
Cell & Microbiology
Feb 22, 2013
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Infectious diseases such as malaria and syphilis can be diagnosed rapidly and reliably in the field by using a simple test developed by Canadian scientists. The test is based on the use of DNAzymes and gold nanoparticles. ...
Bio & Medicine
Feb 12, 2013
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(Phys.org)—Beyond serving as the backbone of modern biology, DNA has come to be a molecule of great interest to engineers. That a DNA sequence will naturally bind only with a complementary sequence could make it part of ...
Condensed Matter
Feb 4, 2013
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In a project that began with the retinal cells of nocturnal animals and has led to fundamental insights into the organization of genomic DNA, researchers from Ludwig-Maximilians-Universitaet (LMU) in Munich show how the nuclear ...
Cell & Microbiology
Feb 1, 2013
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(Phys.org)—A team of researchers at the National Institute of Standards and Technology (NIST) has shown that by bringing gold nanoparticles close to the dots and using a DNA template to control the distances, the intensity ...
Nanophysics
Jan 25, 2013
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