(Phys.org) —Carbon dioxide is the most common source of carbon in nature and an inexpensive building block that is useful for the chemical industry. However, because of its high stability, it is not easy ...
May 08, 2013
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(PhysOrg.com) -- Studying chemical modifications in the chromosomes of cells is akin to searching for changes in coiled spaghetti. Scientists at Cornell have figured out how to stretch out tangled strands ...
Oct 31, 2011
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(Phys.org)—Everyone loves a juicy, perfectly ripened tomato, and scientists have long sought ways to control the ripening process to improve fruit quality and prevent spoilage.
Jan 30, 2013
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(Phys.org)—The single most important barrier to the use of lignocellulosic biomass such as switchgrass, populous, sorghum and miscanthus for production of biofuels is the resistant nature of the biomass ...
Aug 24, 2012
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Two opposing teams battle it out to regulate gene expression on the DNA playing field. One, the activators, keeps DNA open to enzymes that transcribe DNA into RNA. Their repressor opponents antagonize that ...
Aug 26, 2012
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Many different tissues and organs form from pluripotent stem cells during embryonic development. To date it had been known that these processes are controlled by transcription factors for specific tissues. ...
Jan 29, 2013
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Collaborators from Mayo-Illinois Alliance for Technology Based Healthcare have developed a new, single molecule test for detecting methylated DNA. Methylation—the addition of a methyl group of molecules to a DNA strand—is ...
Mar 14, 2013
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By identifying two genes required for transforming inorganic into organic mercury, which is far more toxic, scientists today have taken a significant step toward protecting human health.
Feb 07, 2013
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Transmitting from one generation to the next the genetic message encoded in DNA is a well-understood concept in biology. There is now increasing awareness that chemical modifications of DNA and associated ...
Jan 24, 2013
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Over the past decade, research in the field of epigenetics has revealed that chemically modified bases are abundant components of the human genome and has forced us to abandon the notion we've had since high school genetics ...
May 17, 2012
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(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 ...
Aug 31, 2012
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(Phys.org) -- Cornell nanotechnology researchers have devised a new tool to study epigenetic changes in DNA that can cause cancer and other diseases: a nanoscale fluidic device that sorts and collects DNA, ...
May 24, 2012
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Scientists at The Scripps Research Institute have found the first chemical compounds that act to block an enzyme that has been linked to inflammatory conditions such as asthma and arthritis, as well as some ...
May 11, 2012
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When sperm meets egg, the chemical instructions that tag sperm cells must be erased so that human life can start anew. One way these instructions are erased is through demethylation, the removal of specific ...
Sep 22, 2011
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A new bacterium that uses caffeine for food has been discovered by a doctoral student at the University of Iowa. The bacterium uses newly discovered digestive enzymes to break down the caffeine, which allows it to live and ...
May 24, 2011
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