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News tagged with methylated

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

Citrus greening bacterium may 'ring the dinner bell' to attract insect

The bacterium responsible for citrus greening causes infected trees to give off a scent that rings the dinner bell for the disease-carrying insect, University of Florida researchers say.

Biology / Ecology

created Mar 23, 2012 | popularity not rated yet | comments 0

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

Plant neighbors 's(c)ent' to protect

People and animals are not the only ones who can smell. Plants are also able to perceive odors, but they process them in a very different way . While insects or mammals smell odors within a second of exposure, plants require ...

Biology / Ecology

created Mar 05, 2012 | popularity 5 / 5 (1) | comments 0

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

Scientists study how to improve pesticide efficiency

In 2007, a controversial pesticide was approved by the Food and Drug Administration for use on fruit and vegetable crops, mainly in California and Florida. Farm workers and scientists protested the approval of the pesticide ...

Chemistry / Biochemistry

created Feb 29, 2012 | popularity 5 / 5 (2) | comments 0

A 'wild card' in your genes

The human genome and the endowments of genes in other animals and plants are like a deck of poker cards containing a "wild card" that in a genetic sense introduces an element of variety and surprise that has ...

Chemistry / Biochemistry

created Dec 07, 2011 | popularity not rated yet | comments 1

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

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

Imaging inflammation in the living brain

Inflammation occurs in the human brain during illnesses such as Alzheimer's disease, Parkinson’s disease, stroke and traumatic brain injury. Now, a research team in Japan has developed a probe that can ...

Chemistry / Biochemistry

created Sep 30, 2011 | popularity 4.7 / 5 (3) | comments 0

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

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

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