Although thousands of entire genomes have been sequenced, our understanding of their detailed workings remains far from complete. Researchers continue to find new genes, determine their function, and map ...
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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In biology, we often think of natural selection and survival of the fittest. What about survival of the luckiest? Like pioneers in search of a better life, bacteria on a surface wander around and often organize into highly ...
May 08, 2013
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Metal elements and molecules interact in the body but visualizing them together has always been a challenge. Researchers from the RIKEN Center for Life Science Technologies have developed a new molecular ...
May 02, 2013
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RNA, once considered a bit player in the grand scheme by which genes encode protein, is increasingly seen to have a major role in human genetics. In a study presented in the April 25 issue of the journal Cell, researchers from T ...
May 01, 2013
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(Phys.org) —Proteins, the workhorses of the body, can have more than one function, but they often need to be very specific in their action or they create cellular havoc, possibly leading to disease.
Apr 29, 2013
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(Phys.org) —Changes in the bases that make up DNA act as markers, telling a cell which genes it should read and which it shouldn't. In the journal Angewandte Chemie, a British team has now introduced a new ...
Apr 25, 2013
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Some 50 years have passed since scientists first proposed the so-called 'inside–outside model' of development, which holds that the inner cells of the early embryo eventually form all the definitive structures ...
Apr 10, 2013
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A research coordinated by the scientists at SISSA of Trieste has now developed and studied a numeric model of the chromosome that supports the experimental data and provides a hypothesis on the bundle's function.
Mar 29, 2013
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A simplified version of an artificial cell produces functional proteins and even sorts them.
Mar 18, 2013
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In most living organisms, growth and development are controlled by selective modification of the lifespans of particular proteins. This mechanism is especially prevalent in plants, allowing rapid moderation ...
Mar 15, 2013
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(Phys.org) —Scientists from the Friedrich Miescher Institute for Biomedical Research identify a novel mechanism in early germ cell development. They show how the chromatin modulator PRC1 coordinates the ...
Mar 15, 2013
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