The tight wrapping of genomic DNA around nucleosomes in the cell nucleus makes it unavailable for gene expression. A team of Ludwig-Maximilians-Universitaet (LMU) in Munich now describes a mechanism that allows chromosomal ...
May 23, 2013
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(Phys.org) —Strawberries are one of the most economically important berry crops in the world, and a high value export crop for the Australian horticultural industry.For the first time, researchers at The ...
May 22, 2013
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The mighty T. rex may have thrashed its massive head from side to side to dismember prey, but a new study shows that its smaller cousin Allosaurus was a more dexterous hunter and tugged at prey more like a m ...
May 21, 2013
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Experiments at Johns Hopkins have unearthed clues about which protein signaling molecules are allowed into hollow, hair-like "antennae," called cilia, that alert cells to critical changes in their environments.
May 12, 2013
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A particular tumor suppressor gene that fights cancer cells does more than clamp down on unabated cell division—the hallmark of the disease—it also can help make cells more fit by allowing them to fend ...
May 10, 2013
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Scientists have long known that control mechanisms known collectively as "epigenetics" play a critical role in human development, but they did not know precisely how alterations in this extra layer of biochemical instructions ...
May 09, 2013
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(Phys.org) —The worm Caenorhabditis elegans is one of the most widely studied creatures. Scientists consider the worm a model organism for exploring animal development including neural development. The re ...
May 07, 2013
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The Genomic Instability Group led by researcher Óscar Fernández-Capetillo at the Spanish National Cancer Research Centre (CNIO), has for the first time obtained a panoramic photo of the proteins that take part in human ...
Apr 25, 2013
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An international research team in including Christian Schlötterer and Alistair McGregor of the Vetmeduni Vienna has discovered a completely new mechanism by which evolution can change the appearance of an ...
Apr 19, 2013
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Circadian rhythms keep time for all living things, from regulating when plants open their flowers to foiling people when they try to beat jet lag. Day-night cycles are controlled through ancient biological ...
Apr 11, 2013
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A new study which was performed jointly at Umea University and the University of Washington in Seattle, USA, discovered that bacteria can degrade the cell membrane of bacterial competitors with enzymes that do not harm their ...
Apr 04, 2013
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(Phys.org) —Look what might help us live longer—worms! Researchers at the Boyce Thompson Institute for Plant Research (BTI) and Cornell have shown that roundworms can live up to 20 percent longer when ...
Mar 29, 2013
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(Phys.org) —Your cells are social butterflies. They constantly interact with their surroundings, taking in cues on when to divide and where to anchor themselves, among other critical tasks.
Mar 21, 2013
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Scientists have confirmed that the pathogen that causes Lyme Disease—unlike any other known organism—can exist without iron, a metal that all other life needs to make proteins and enzymes. Instead of ...
Mar 21, 2013
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