(Phys.org) —Olfactory sensory neurons – nerve cells in the nose – directly sense molecules that convey scent, then send the signals to the brain. Biologists have long wondered how it's possible for each nerve cell to ...
Cell & Microbiology
Mar 5, 2013
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Scientists headed by Ferran Azorín at the Institute for Research in Biomedicine (IRB Barcelona) have discovered why histone 1 is a major protection factor against genomic instability and a vital protein. Their study of the ...
Cell & Microbiology
Aug 18, 2017
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UNC School of Medicine researchers discovered that the major developmental function of heterochromatin – a form of tight DNA packaging found in chromosomes – is likely to suppress activity of virus-like DNA elements known ...
Biotechnology
Sep 1, 2016
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Researchers have discovered an important element for making night vision possible in nocturnal mammals: the DNA within the photoreceptor rod cells responsible for low light vision is packaged in a very unconventional way, ...
Plants & Animals
Apr 16, 2009
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Biologists at Brown University have found a way to measure the effects of aging by watching the ebb and flow of chromatin, a structure along strands of DNA that either silences or permits gene expression. In several newly ...
Biotechnology
Nov 20, 2013
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The Gasser group discovered that silencing of heterochromatic regions—and more specifically of hundreds of Polycomb-target genes enriched for H3K27me3—can occur through selective RNA degradation, and not only through ...
Cell & Microbiology
Apr 24, 2020
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42
(Phys.org)—Scientists from the Friedrich Miescher Institute for Biomedical Research have elucidated the histone modifications that lead to the sequestration of silent genes at the nuclear periphery. In a study published ...
Cell & Microbiology
Aug 31, 2012
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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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When cells divide, chromosomes need to be evenly segregated between daughter cells. This equal distribution of chromosomes is very important to accurately pass on genetic information to the next generation. Abnormal chromosomal ...
Biotechnology
Mar 22, 2017
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Scientists often try to understand important processes in the cell by interfering and observing what happens. But often the cell just dies.
Cell & Microbiology
Dec 4, 2018
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