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News tagged with methyl

Nanofluidics sorts DNA for cancer research

(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, ...

Nanotechnology / Bio & Medicine

created May 24, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Researchers reveal an RNA modification influences thousands of genes

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 ...

Biology / Cell & Microbiology

created May 17, 2012 | popularity 5 / 5 (2) | comments 4 | with audio podcast

New screening technique yields elusive compounds to block immune-regulating enzyme

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 ...

Chemistry / Biochemistry

created May 11, 2012 | popularity not rated yet | comments 1 | with audio podcast

Researchers suspend, image single DNA molecules

(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 ...

Chemistry / Analytical Chemistry

created Oct 31, 2011 | popularity 4.5 / 5 (10) | comments 0 | with audio podcast

Researchers develop a new candidate for a cleaner, greener and renewable diesel fuel

(PhysOrg.com) -- A class of chemical compounds best known today for fragrance and flavor may one day provide the clean, green and renewable fuel with which truck and auto drivers fill their tanks. Researchers ...

Biology / Biotechnology

created Mar 14, 2012 | popularity 4.4 / 5 (5) | comments 4 | with audio podcast

DNA repair protein caught in act of molecular theft

Scientists have observed, for the first time, an intermediate stage in the chemical process that repairs DNA methylation damage and regulates many important biological functions that impact health conditions ...

Chemistry / Biochemistry

created Nov 10, 2010 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast

Biologists offer clearer picture of how protein machine systems tweak gene expression

Indiana University biologists have found that specific types of RNA polymerase enzymes, the molecular machines that convert DNA into RNA, can differ in function based on variation in the parts -- in this case ...

Biology / Biotechnology

created Mar 01, 2012 | popularity not rated yet | comments 0 | with audio podcast

New approach to scratch resistance: Improving coatings with polymer-based nanocomposite materials

A new way to analyze how coatings of tiny particles alter the properties of transparent plastic could help researchers create lightweight windows with nearly the strength of glass. The same method could also lead to high-strength, ...

Nanotechnology / Nanomaterials

created Aug 17, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Scientists discover important step in sperm reprogramming

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 ...

Biology / Cell & Microbiology

created Sep 22, 2011 | popularity 1 / 5 (1) | comments 1 | with audio podcast

Bacteria use caffeine as food source

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 ...

Biology / Cell & Microbiology

created May 24, 2011 | popularity 4.5 / 5 (6) | comments 4 | with audio podcast

Diesel from waste: Simple, energy-efficient process for producing high-quality fuels from biomass

(PhysOrg.com) -- For the last ten years, biodiesel in the form of fatty acid methyl ester has been promoted as a replacement for fossil-fuel-based diesel fuel. It was soon found that this has its problems ...

Chemistry / Materials Science

created Feb 03, 2011 | popularity 4.8 / 5 (11) | comments 7 | with audio podcast

A novel enzymatic catalyst for biodiesel production

Continuous production of biodiesel can now be envisaged thanks to a novel catalyst developed by a French team at CNRS's Centre de Recherches Paul Pascal (CRPP). The results, which have been patented, have ...

Chemistry / Materials Science

created Jul 04, 2011 | popularity 5 / 5 (1) | comments 7 | with audio podcast

Lessons learned from yeast about human leukemia

The trifecta of biological proof is to take a discovery made in a simple model organism like baker's yeast and track down its analogs or homologs in "higher" creatures right up the complexity scale to people, ...

Biology / Cell & Microbiology

created Dec 05, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Speeding up evolution: Orchid epigenetics

Organisms adapt to their dynamic environment using various strategies. Ovidiu Paun, working at the Department of Systematic and Evolutionary Botany, investigates how marsh orchids adjust to and diffuse in ...

Biology / Plants & Animals

created Jul 28, 2011 | popularity not rated yet | comments 0 | with audio podcast

Researchers identify new mechanism used by cells to reverse silenced genes

Scientists at Fox Chase Cancer Center have discovered a new mechanism used by cells in the body to turn on silenced genes. This process is critical in preventing the development of cancer -- suggesting the possibility of ...

Biology / Cell & Microbiology

created Jun 30, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast