Adenoviruses have a linchpin protein that stabilizes their DNA until it reaches the infected cell's nucleus. The protein then detaches from the viral genome, and the virus uncoats. Only then are the genes released into the ...
Dec 21, 2021
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Why do animals sleep? Why do humans "waste" a third time of their lives sleeping? Throughout evolution, sleep has remained universal and essential to all organisms with a nervous system, including invertebrates such as flies, ...
Mar 5, 2019
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(Medical Xpress)—One way cells promote tumor suppression is through a process called senescence, an irreversible arrest of proliferation. Senescence is thought to be associated with normal aging, but is also a protective ...
Aug 30, 2013
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(Medical Xpress) -- Herpesviruses are thrifty reproducers -- they only send off their most infectious progeny to invade new cells. Two Cornell virologists recently have discovered how these viruses determine which progeny ...
Sep 14, 2011
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New work by a pioneering scientist details how subtle changes in mitochondrial function may cause a broad range of common metabolic and degenerative diseases. Mitochondria are tiny energy-producing structures within our cells ...
Oct 22, 2014
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Pre-implantation genetic diagnosis (PGD) can give women at risk of passing on a mitochondrial DNA disorder to their offspring a good chance of being able to give birth to an unaffected child, a researcher told the annual ...
May 30, 2011
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Vision is a highly complex process, and requires the construction of a correspondingly complicated functional network made up of diverse nerve-cell types in the developing retina. In mammals, these circuits are formed within ...
Apr 3, 2015
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Although natural selection is often thought of as a force that determines the adaptation of replicating organisms to their environment, Harvard researchers have found that selection also occurs at the level of neurons, which ...
Feb 26, 2015
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The nuclear envelope (NE) is composed of the outer nuclear membrane (ONM) and the inner nuclear membrane (INM), which are separated by the perinuclear space and joined at nuclear pore complexes. INM proteins play crucial ...
Dec 8, 2021
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Scientists studying cancer development have known about micronuclei for some time. These erratic, small extra nuclei, which contain fragments, or whole chromosomes that were not incorporated into daughter cells after cell ...
Jul 9, 2013
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