Tag: "reveal" at biology news

Amazing light emission properties of gold lead to many applications

...the atoms surrounding gold. So different atoms can reveal their presence by the different colors of the fluorescent light emitted by the gold compound. "These gold compounds have some beautiful capabilities for becoming sensors to detect the presence of small concentrations of components, because light chan...

Neuroscience contest prompts 'thinking about thinking'

Scientists reveal insights into fundamental questions about sensory perception Princeton, N.J. -- Concluding an unusual intellectual contest, a Princeton scientist has revealed the principles behind a computer model of a mouse brain capable of recognizing spoken ...

Vanderbilt neuroscientists identify 'oops center' in the brain

...ystem must exist, this is one the first studies to reveal its workings at such a fundamental level. The work is very important because it shows the cellular basis of self-control, says Sohee Park, associate professor of psychology at Vanderbilt. It gets at really basic questions of psychology and philosop...

Translating the human genome into protein function: structural genomics research at Columbia

...genetic sequences that encode them. The effort may reveal rules that could be used to predict the shape of a protein from its sequence. Determining the structure of a protein may help explain its function as well as how it may be affected by both normal physiological and pathological processes. Detailed st...

DNA arrays decipher genome's master switches

...o a DNA array containing genomic DNA from yeast to reveal their identity. "Our goal is to use this technique to find the circuits controlled by the 200 or so master switches in yeast and then develop analogous techniques in humans," says Young....

The college of veterinary medicine and the institute of nautical archaeology team up at Texas A&M University

...t was not the case." Walker hopes the CT scan will reveal broken pottery, glass and other material that will help researchers piece together information about life on the Denbigh. Arnold said the CT images will also allow for injecting plastic into vacant spaces to create casts of any items that have disin...

New predatory dog-sized dinosaur unearthed on Madagascar

... U.S. scientists working in Madagascar continue to reveal startling new vertebrate fossils," says H. Richard Lane, geology and paleontology program director in NSF's division of earth sciences, which funded the research. "Masiakasaurus is one of several such recent discoveries by this prolific team, with, ...

Gene study to unlock causes of stroke

...lained. The researchers hope that their study will reveal the importance of variations in these eight genes, and identify those that might predispose people to a stroke. The consequences of such a finding could be immense. There are already treatments for patients who have suffered one stroke. They include ...

Friendly microbes control intestinal genes, study finds

...ulation of intestinal barrier functions might even reveal how some microbes affect our susceptibilities to food and other allergies. "Shortly after birth, resident microbes begin to educate the guts immune system, signaling that they are safe, normal partners that do not merit an immune response," says Gor...

Human genome analysis hints at new proteins involved in gene expression

...he power of the new genomic information, they also reveal important limitations. In particular, the existence of a related gene does not mean that there is a corresponding protein: the sequence could be a non-expressed pseudogene." Green explained that pseudogenes are "fossils" of real genes. "But the geno...

Baboon studies suggest strategies for coping with stress

...them with a blowdart to collect blood samples that reveal levels of stress hormones, antibodies, cholesterol and other indicators of health status. So far, most data are from male baboons, as at any given time, 80 percent of the females are pregnant or lactating and cannot be anesthetized without risks. S...

Born with the perfect pitch?

...efficiency. She says her research findings further reveal the false dichotomy of the nature vs. nurture debate, Saffran says, by showing how both biology and experience work together in complex knowledge acquisition....

Disconnect between skin cells implicated in common skin cancer

...growth," said Fuchs. "Taken together, our findings reveal a novel, hitherto unrecognized, importance of this protein that goes beyond its role in intercellular adhesion and which when dysfunctional, may play a key role in this form of skin cancer. "...

Growing neurons use silencing mechanism to avoid disastrous tug-of-war

...ly interact with the DCC receptor. To help reveal the mechanism of netrin silencing, the researchers created a truncated version of the Robo receptor that lacked the domain that juts into the cell’s cytoplasm. This truncated receptor failed to silence netrin’s attraction, suggesting t...

Computer model predicts outcome of DNA shuffling

...ly algorithm now excludes them. "The program reveal these trends," says Maranas. "You can explore many what if scenarios before expending time and resources in the lab. These scenarios may include different fragment lengths, annealing temperatures or even the selection of different parent genes. " ...

Studies show powerful natural anti-cancer system exists

...ys, "and are planning long-term studies that would reveal any lowered incidence of cancer." In the study, the researchers focused on strategies cells use to control activity of the phase II enzymes. "The levels of these enzymes are tightly controlled by the cellular equivalent of a dimmer switch," says ...

UCSF studies illuminate possible new landscape for targeting cancer

... the tumor's micro-environment. "Our findings reveal new factors influencing the process by which cells become malignant," says Zena Werb, PhD, UCSF professor of anatomy and a principal participant in both studies. "They show that factors originating outside the oncogenic cells are specifying whether t...

University of Florida researchers study possible genetic link to dysfunctional coronary arteries in women

... referral, knowing that angiography doesn't always reveal any explanation for chest pain in women, said Dr. Carl Pepine, a professor and chief of cardiovascular medicine at UF. UF researchers studied 150 women whose symptoms were so frequent and severe they were referred for heart catheterization. This ...

Common genetic differences affect vulnerability to childhood leukemia, new study shows

...distinguishing subtle disease differences can help reveal causes that would otherwise be masked, the scienti...anges in leukemia cells -- at the DNA level -- can reveal potential causes specific to each type of leukemia." Wiemels collaborated on the research with colle...

First chapter of Earth's "biological record" documented from space

...forms of plant life that cover land and oceans may reveal as much about how our living planet functions today as fossil and geologic records reveal about Earth's past. "This is a period of exploration for us," said lead author Michael Behrenfeld, a...

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