(PhysOrg.com) -- Simply stretching DNA can silence a gene, scientists at the UA have discovered. The finding could point to a previously unknown gene control mechanism.
Biotechnology
Mar 21, 2011
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Engineers at Duke University and the New York University's Tandon School of Engineering have demonstrated a method for ensuring that an increasingly popular method of genetic identification called "DNA fingerprinting" remains ...
Biotechnology
May 21, 2020
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118
The liver can regenerate even in old age and remains surprisingly fit, even though the chromatin in its cells undergoes major remodeling due to epigenetic changes, as researchers from the Max Planck Institute for Biology ...
Cell & Microbiology
Sep 12, 2022
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64
Traces of biomolecules such as DNA can be detected with a new "dynamic" technique based on the observation of association and dissociation events of gold nanoparticles. If the desired DNA sequence is present, it can reversibly ...
Bio & Medicine
Jul 18, 2017
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Exposure to mutagens, or mutation-causing agents, can not only bring about changes in DNA but also appear to induce errors when genes are transcribed to make proteins, which may be an important factor in age-related diseases.
Biotechnology
Dec 21, 2020
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41
Storing data in DNA sounds like science fiction, yet it lies in the near future. Professor Tom de Greef expects the first DNA data center to be up and running within five to ten years. Data won't be stored as zeros and ones ...
Bio & Medicine
May 4, 2023
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69
When cells grow and divide to ensure a biological function—such as a properly working organ—DNA must be unwound from its typical tightly packed form and copied into RNA to create proteins. When this process goes awry—if ...
Cell & Microbiology
Jun 21, 2018
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25
Blue-green algae (AKA cyanobacteria) have a superpower which likely helps them be highly successful as invaders of waterways. They have an extraordinary ability to store energy and nitrogen in their cells for times of need. ...
Biochemistry
Sep 30, 2022
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209
A research collaboration that combines novel "big-data" informatics tools with expertise in basic biology has uncovered details of an essential process in life: how a crucial enzyme locates the site on DNA where it begins ...
Cell & Microbiology
Mar 3, 2016
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Conventional wisdom holds that optical microscopy can't be used to "see" something as small as an individual molecule. But as it is wont, clever science has once again overturned conventional wisdom. Secretary of Energy, ...
Nanophysics
Jul 14, 2010
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