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10 Current news about the topic heterochromatinrss
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'Walking molecules' haul away damaged DNA to the cell's emergency room
The cell has its own paramedic team and emergency room to aid and repair damaged DNA, a new USC Dornsife study reveals. The findings are timely, as scientists are delving into the potential of genome editing with the DNA-cutting enzyme, CRISPR-Cas9, to treat diseases or to advance scientific ...
The same mechanisms that quickly separate mixtures of oil and water are at play when controlling the organization in an unusual part of our DNA called heterochromatin, according to a new study by researchers at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley ...
A new straightforward method enables monitoring the response of nuclear proteins to DNA damage in time and space
Understanding the cellular response to DNA strand breaks is crucial to decipher the mechanisms maintaining the integrity of our genome. In eukaryotic cells, the molecular events triggered by DNA damage are strongly influenced by the local chromatin environment surrounding the lesion. The ensuing ...
Scientists discover 2 further mechanisms necessary for the formation of heterochromatin
To fit the two-meter long DNA molecule into a cell nucleus that is only a few thousandths of a millimetre in size, long sections of the DNA must be strongly compacted. Epigenetic marks maintain these sections, known as heterochromatin. Scientists of the Max Planck Institute of Immunobiology and ...
The human genome is peppered with repeated DNA elements that can vary from a few to thousands of consecutive copies of the same sequence. During meiosis—the cell division that produces sperm and eggs—repetitive elements place the genome at risk for dangerous rearrangements from genome ...
European Marketing Authorization Application (MAA) expected by the end of 2011
Researchers at RIKEN have uncovered a mechanism by which the effects of stress in the fly species Drosophila are inherited epigenetically over many generations through changes to the structure of chromatin, the material that makes up the cell nucleus. Published in the journal Cell, the results ...
Biological species are often defined on the basis of reproductive isolation. Ever since Darwin pointed out his difficulty in explaining why crosses between two species often yield sterile or inviable progeny (for instance, mules emerging from a cross between a horse and a donkey), biologists have ...
Fungi wake up to new natural products
US scientists have re-awakened 'silent' metabolic pathways in fungi to reveal a new range of natural products. The research could provide not only a source of new drugs, but a way to "listen to what fungi are saying" to organisms around them. Fungi produce a wide variety of natural products, ...
Newly Developed Compounds Activate Silenced Gene Responsible for Debilitating Disease
A team from The Scripps Research Institute and the University of California School of Medicine has developed compounds that reactivate the gene responsible for the neurodegenerative disease Friedreich's ataxia, offering hope for an effective treatment for this devastating and often deadly ...
Findings Published in Nature
Orion Genomics, a "second code" biotechnology company developing and commercializing oncology diagnostic products, announced that research conducted by the company's scientific co-founder Rob Martienssen, professor at Cold Spring Harbor Laboratory, has advanced understanding of the epigenetic ...