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Tag: "general" at biology news

Molecular Partners Required For Appropriate Neuronal Gene Repression

...d promote the return of myelin-forming cells. This general area of research is of particular interest to me in my attempts to counteract the white matter brain damage that is often associated with premature birth and can lead to a form of cerebral palsy (CP). Our early findings have shown that scar tissue in...

Scientists discover new way to look at how molecules twist and turn on water

...practical applications," Richmond said. "This is a general approach that has broad implications for a variety of chemically and biologically important applications." "With the head groups of these molecules happy to be surrounded by water molecules at the water surface and their tails preferring to stick up...

Grasshopper love songs give insight into sensory tuning

... or suppress connections. Some four decades ago, a general principle called the "efficient coding hypothesis" was formulated, holding that sensory systems adjust to efficiently represent the complex, dynamic sounds, sights, and other sensory input from the environment. Writing in the August 4, 2005, issue o...

Baby's genes affect mom's cholesterol levels

...entrations of triglycerides and cholesterol in the general population. They found that when these polymorphisms were present in the babies, their mothers' triglyceride and cholesterol levels were influenced to the same extent that they would be if the polymorphisms were present in the mothers. However, when ...

Asian immigrants in NYC not receiving HIV education at religious institutions

...t for the institutions to play a role in promoting general health in the community, though not to address HIV specifically. Their involvement could have a tremendous impact on preserving and protecting the health of New York City's Asian immigrants and those with whom they come in contact, Chin said. AIDS h...

Modifications render carbon nanotubes nontoxic

... This is an important demonstration that there are general trends in biological responses to nanoparticles." Co-authors on the paper include graduate students Christie Sayes, Feng Liang, Jared Hudson, Jonathan Beach and Condell Doyle; undergraduate Joe Mendez; research scientists Wenhua Guo and Valerie Moor...

UF study first to quantify validity of DNA I.D. tool using marine snails

...ons, and generate 'gee whiz' appreciation from the general public as well," he said. Much of the analysis was done at the Florida Museum of Natural History at UF -- where Meyer and his co-author Gustav Paulay are curators -- because of its world-renowned collection of cowries. After 10 years of collecting a...

Beach pollution is worst during new and full moon

...and beach managers alike, according to Boehm. "The general public can use the phase of the moon and the tide stage to assess the relative risk of illness," she says. "It is riskier to swim during spring-ebb tides [receding tide] compared to all other tidal conditions." Beach managers can now use tides as th...

PLoS Medicine publishes first trial of effect of male circumcision on HIV infection

...his trial and whether or not the results have more general application." Furthermore, adult circumcision carries risks, especially if performed by medical personnel or traditional healers without proper training. Moreover, immediately after circumcision, men may be at a higher risk of acquiring infections...

A bug's life: Exceptional genomic stability yet rapid protein evolution in a carpenter ant mutualist

...these results indicate that genome stasis may be a general feature of insect mutualists. Another important feature of B. pennsylvanicus tested by the researchers was the rate of protein evolution, as measured by amino acid changes, since the divergence of B. pennsylvanicus from their free-living ancestors. ...

Chernobyl: The true scale of the accident

...ures are within the recommended dose limit for the general public, though about 100,000 residents still receive more. Remediation of those areas and application of some agricultural countermeasures continues. Further reduction of exposure levels will be slow, but most exposure from the accident has already o...

Scientists must offer solutions for conserving tropical forests in a rapidly changing world

...ation of their findings to decision makers and the general public. It is those who will eventually demand that governments invest in research and conservation of tropical forests and who will work to slow the rapid, unsustainable growth of human populations in the tropics." ...

Mouse genome much more complex than expected

... prestigious journal Science on 2nd September. The general conclusion of the study is that the genome of mammals is much more complex than was hitherto supposed. The genetic material of mammals, the DNA, can be compared to an enormous encyclopedia containing the complete blueprint of the animal in question....

Pillows - a hot bed of fungal spores

...affects a third of the world's population, causing general ill-health and bleeding in the lung, as well as causing a range of plant and animal diseases. Dr Geoffrey Scott, Chairman of the Fungal Research Trust which funded the study, said: "These new findings are potentially of major significance to people...

Anti-cancer drugs may hold promise for premature aging disorder

...progeria at the molecular level may illuminate the general processes involved in normal human aging. The LMNA gene codes for a protein called lamin A, which constitutes a major component of the scaffold-like network of proteins just inside the cell's nuclear membrane, called the lamina. The gene mutation im...

Researchers develop new method for studying 'mental time travel'

...esting that participants were bringing to mind the general properties of the images in order to cue for specific details. "What we have learned over the years is that what you get out of memory depends on how you cue memory. If you have the perfect cue, you can remember things that you had no idea were flo...

Gene controls whether fear is a factor

...he researchers report. The basic findings may have general implications for the study of anxiety disorders and potential anti-anxiety drugs, according to researchers. The researchers found that the gene stathmin--normally present in high levels in a part of the brain called the amygdala--controls both innat...

Clocking in Pillow Time without the Pillow

...rs makes them good targets for drugs that increase general cognitive functioning. The researchers used a technique called positron emission tomography, or PET, to gain insight into CX717's neurobiological role. The PET signal reflected the distribution and rate of metabolism of ingested radioactively labele...

Noise And Delays Explain Why Some Genes Oscillate In Activity

...rs makes them good targets for drugs that increase general cognitive functioning. The researchers used a technique called positron emission tomography, or PET, to gain insight into CX717's neurobiological role. The PET signal reflected the distribution and rate of metabolism of ingested radioactively labele...

Discovering the first steps in transcription-coupled repair

...ity to deal with damaged DNA or a subtle defect in general transcription," says Cooper. "To understand the exact nature of the problem we first needed to know how stalled RNAPII is recognized." The protein CSB, which in a mutated form causes one kind of Cockayne Syndrome, was known to recognize stalled RNAP...

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