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Silent in Biological News

Penn biologists discover how 'silent' mutations influence protein production

... protein levels when expressed in the bacterium Escherichia coli. The silent mutations changed the amount of fluorescent protein by as much as ... experiments. "At first we were stumped," Plotkin said. "How were the silent mutations influencing protein levels? Eventually, we looked at mRNA ...

These shells don't clam up: Innovative technique to record human impact on coastal waters

... With their sedentary lifestyles and filter-feeding habits, clams have been silent witnesses to the changes that humans have inflicted upon their waters. These clams are silent no more, as Dr. Ruth H. Carmichael of the Dauphin Island Sea Lab and her ...

These shells don't clam up: Innovative technique to record human impact on coastal waters

... With their sedentary lifestyles and filter-feeding habits, clams have been silent witnesses to the changes that humans have inflicted upon their waters. These clams are silent no more, as Dr. Ruth H. Carmichael of the Dauphin Island Sea Lab and her ...

GARP makes the difference

... and starts fighting it. In the end, the life-saving transplant will be rejected. Until now, only special drugs have managed to keep the immune system silent and thus inhibit organ rejection. Theoretically, these drugs are not necessary because the immune system has its own unique "peace makers": ...

'Honey bee health' of concern at Western Apicultural Society conference

... researcher, teacher and author, will offer "Beekeeping Tips Based on Experimental Trial and Error." The conference ends Thursday with a silent auction and awards banquet. Awards to be presented are "Outstanding Service to Beekeeping" and the "Thurber Award for Inventiveness." Those ...

Virginia Tech graduate student receives first Rachel Carson award for scientific excellence

... spiny mussel, and oyster mussel. Mair received the award, named in honor of renowned ecologist Rachel Carson, author of the groundbreaking book silent Spring, from U.S. Fish and Wildlife Service Director H. Dale Hall at a ceremony at the Natural Resources Conservation Service facility in ...

Field stations foster serendipitous discoveries in environmental, biological sciences

... this disease-causing virus. Documentation of the precipitous decline of bald eagles at Hawk Mountain Sanctuary set the stage for Rachel Carson's silent Spring, changing U.S. policy on use of pesticides like DDT. ...

What happens when we sleep

... set up experiments to study the function of MCH neurons during the sleep-wake states. "Remarkably, what we found is that MCH neurons are actually silent during waking, which is a surprising finding especially in this wake-promoting region of the brain. The neurons fire during sleep, and are most ...

CSHL researchers map changing epigenetic modifications that enable transposons to run amok

... with siRNAs that are 21nucleotides in length. In contrast, the transposons that retain their original heterochromatic marks and therefore remain silent continue to stay associated with 24-nucleotide siRNAs. The team's eventual goal is to understand the mechanism responsible for the creation of ...

Household exposure to toxic chemicals lurks unrecognized, researchers find

... can expose them to chemicals that may affect health. The researchers interviewed 25 women, all of whom had participated in an earlier study, the silent Spring Institute's Household Exposure Study (HES), which tested for 89 environmental pollutants in air, dust and urine samples from 120 Cape Cod ...

Pollution at home lurks unrecognized, instead attributed to large-scale environmental disasters

... can expose them to chemicals that may affect health. The researchers interviewed 25 women, all of whom had participated in an earlier study, the silent Spring Institute's Household Exposure Study (HES), which tested for 89 environmental pollutants in air, dust and urine samples from 120 Cape Cod ...

Hypertension develops early, silently, in African-American men

... the University of Seoul. 'Silent killer' African-American men have higher levels of hypertension than white men. Hypertension is known as the silent killer because it can develop without the individual knowing it. According to the U.S. Centers for Disease Control and Prevention, hypertension is a ...

American Chemical Society's Weekly PressPac

... California: Unintended Consequences of Furniture Flammability Standards?" FOR FULL TEXT: Contact Michael Bernstein CONTACT: Ami R. Zota, ScD silent Spring Institute Newton, MA 02458 Phone: 617-332-4288, ext. 212 Fax: 617-332-4284 Email: zota@silentspring.org ARTICLE #4 FOR IMMEDIATE ...

MIT: Preventing forest fires with tree power

... from trees can power a network of sensors to prevent spreading forest fires. What they learn also could raise the possibility of using trees as silent sentinels along the nation's borders to detect potential threats such as smuggled radioactive materials. The U.S. Forest Service currently ...

Forward planning release from the BA

... heavily, and what long-lasting effects could it be having on their brains? Should creationism be a part of the science curriculum? Isotopes: silent witnesses to Earth history helping to reveal when complex animal life first appeared The BA will be operating a Press Centre at the Festival ...

New book tutors future presidents and public on science behind the headlines

... who has credentials of his own as author of a respected technical book on climate change in Earth's history. Many climate scientists have remained silent about these misleading statements, hoping that the exaggerations stimulate public interest. Muller acknowledges this benefit, but feels that there is ...

A recipe for saving the world's oceans from an extinction crisis

... further detailed study to be sure of every point. However, we will never be certain about every detail, and it would be irresponsible to remain silent in the face of what we already know." Despite Jackson's bleak prognosis for a "brave new ocean," he clearly identifies "lack of political will and ...

Birdsong not just for the birds

... the characteristic birdsong of different species of birds, thereby facilitating surveys of the bird population. Europe's forests are falling silent as countless species of birds go on the red list of endangered species. Yet in fact no-one can say what the exact position is with some species. So ...

Genome communication

... alleles. However, the paramutagenic allele silences the wild-type allele and produces a plant with stippled rather than purple pigmentation. The silent state is then passed on in subsequent crosses. Several different components may be involved in paramutation, although they may differ among ...

Brain stem cells can be awakened, say Schepens scientists

... laid the foundation for the PNAS study findings by demonstrating that neural stem cells exist in every part of the brain, but are mostly kept silent by chemical signals from support cells known as astrocytes. "The findings from both papers should have a far-reaching impact," says principal ...

Stevens' Center for Science Writings honors environmental critics with Green Book Award, April 30

... the environment than any U.N. report or Nobel Prize. WIRED magazine describes it as the best thing to happen to environmentalism since Rachel Carsons silent Spring. The environmental author Bill McKibben calls Break Through unremittingly interesting, sharp and wide-ranging. The Center for Science ...

Scientists clarify a mechanism of epigenetic inheritance

... appear only during the brief part of the cell cycle when DNA is replicating. This result, Martienssen says, neatly accounts for the paradox about how silent heterochromatin can be transcribed [into interfering RNA], because its transcribed only in a narrow window of the cell cycle. The researchers ...

International workshop to address capacity building for rainforest leaders

... From the silent victims of climate change, rain forest peoples in Latin America are preparing themselves to have an active voice in international decision-making on ...

The human brain: Detective of auditory and visual change

... a pitch change in one tone presented together with other tones. The complexity of the pre-change sound was varied, as well as the duration of the silent interval between the pre- and post-change sounds. The experimenters reasoned that if auditory change detection is similar to the visual process, ...

Final preparations for first human-rated spacecraft to be lauched from Europe's Spaceport

... For the first time in 40 years of space activities, a silent revolution is taking place at the European launch site in Kourou. Jules Vernes, the first human-rated spacecraft to be launched from Europe's ...

Bird flu study highlights need to vaccinate flocks effectively

... than 95 per cent would be needed to guard against silent spread. The study, funded by the Department ... suggests that the most effective way of tackling silent spread of the disease would be to place ... poultry flocks. By monitoring birds carefully, silent spread could be reduced (though not completely ...

U-M researchers discover gene switched off in cancer can be turned on

... genes. U-M researchers found that a gene called Brahma, or BRM, is silent – but not missing – in some cancer cells. By exposing the BRM protein to ... lines. They found no mutations to the gene but rather that it was just silent – essentially like a switch that had been turned off. Knowing that a class ...

A silent pandemic: Industrial chemicals are impairing the brain development of children worldwide

... conclude that industrial chemicals are responsible for what they call a silent pandemic that has caused impaired brain development in millions of children worldwide. It is silent because the subclinical effects of individual toxic chemicals are not ...

Researchers find protein that silences genes

... But in 1997, Pikaard and colleagues found that they could switch on the silent genes using chemicals that inhibit either DNA methylation or histone ... knocking down HDA6 eliminated nucleolar dominance, such that the normally silent genes were now turned on. To find out where HDA6 is located in the ...

Loosen up, DNA: Leukemia gene changes genetic packaging

... color was predictable based on where the gene was inserted ?the gene was silent when expected, producing flies with white eyes, and active when expected, ... The research shows that JAK/STAT was able to open up the previously silent part of the genome, somehow turning on the red-eye gene by changing the ...

Brain May Be Less Plastic Than Hoped

... in?blank spots in the motor and visual cortex after these areas fell silent from lack of sensory input due to injury. This led to speculation that ... corresponding to the blind spot would have shrunk.?Instead, though, the silent region remained the same size each time. The neurons surrounding it did ...

RNA splicing factor implicated in ovarian tumor cell growth

... of the journal Oncogene; it will appear in an upcoming issue of the journal's print version. Ovarian cancer is commonly referred to as "the silent killer," as it usually is not discovered until its advanced stages. If diagnosed and treated while the cancer is confined to the ovary, the 5-year ...

Male reindeer inflate a large air sac in the neck region to emit their hoarse rutting calls

... serves to attract female mating partners. Males vocalize almost exclusively during the autumn rutting season whereas females are mostly silent during that period. Instead, vocal communication of females tends to mainly occur with their young, in the first months after the birth in summer. In ...

Bats prey on nocturnally migrating songbirds

... the Saharan desert, with their harsh winds and storms, when engaging into their transcontinental journeys at night; the forces of a skilled, almost silent nocturnal hunter patrolling the infinite dark space await ... ...

Notorious cancer gene may work by destroying messenger

... molecules that carry the information used to assemble a protein. That work showed that PMR1 attaches to the mRNAs and remains there as a silent passenger. If it receives the proper signal, however, the protein chops up and destroys the mRNA, which instantly stops production of that protein. ...

Colour sensor breath test can detect lung cancer

... includes gas chromatography and mass spectrometry, which requires a great deal of expertise to use and is very expensive. As cancer is often silent in its early stages and symptoms are often not specific, it is often difficult to pick up the disease at a stage when it could be treated ...

Power emerges from consensus in monkey social networks

... is powerful if that individual has received multiple subordination signals from many individuals ?in the case of pigtailed macaque monkeys, a silent bared-teeth display. On the other hand, there is little consensus if signals come from just a few individuals. "Consensus about power is an ...

Stroke symptoms common among general population

... of the JAMA/Archives journals. Using brain imaging to screen individuals without a history of stroke reveals that many have had an undiagnosed or silent stroke, according to background information in the article. One previous study found that 11 percent of individuals age 55 to 64, 22 percent of ...

Holiday gluttony can spell disaster for undiagnosed diabetics

... could be deadly for the 6 million Americans who have diabetes and don't even know it. Diabetes, a metabolic disorder linked with obesity, can be a silent killer because its symptoms aren't sudden, but build up over time and lead to heart disease or other maladies. That's bad news for those with ...
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(Date:10/29/2014)... At a ceremony held in New York City on ... King, the American Cancer Society Professor of Genome Sciences ... and 2008 Honorary Doctor of Philosophy of Tel Aviv ... in Medical Science. , In addition to her honorary ... Lecturer at the TAU School of Medicine, and for ...
(Date:10/29/2014)... One kind of stem cell, those referred to as ... There is apparently nothing that differentiates these cells from ... namely they retain the capacity to become stem cells ... liver, an organ that hosts cells that stimulate tissue ... the case of a transplant. Knowledge of the ...
(Date:10/29/2014)... in the living world compete with members of ... how much they invest into their competitive ability. ... get access to high-quality resources, while others seem ... the lower-quality resources that are left over for ... and human societies seems to fluctuate considerably over ...
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