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Tag: "shedding" at biology news

UF Researchers Map Bacterial Proteins That Cause Tooth Loss

... the thousands of proteins the bacterium produces, shedding light on how it interacts with healthy cells in order to thrive, according to dental researchers from the University of Florida and the University of Washington. They describe their findings in the current issue of the journal Proteomics. “Determini...

Flocking together: Study shows how animal groups find their way

...s have any pertinent information. In addition to shedding light on the graceful coordination of animal groups, the results may be useful in understanding how humans behave in crowds and in designing robots that explore remote locations such as the ocean or other planets. "When you see apparently complex be...

Brain-mapping technique aids understanding of sleep, wakefulness

...asleep is still a big mystery in brain science. By shedding light on the network of neural connections involved in sleep, he said, his and other studies will help unravel the mechanisms involved in sleep homoeostasis. In addition to his laboratory at UT Southwestern, Dr. Yanagisawa also directs the ERATO Yan...

Plankton can run, but can't hide from basking sharks

...of zooplankton trying to evade capture. As well as shedding new light on basking behaviour, the results have i...king sharks seem to have rumbled them. As well as shedding new light on behavioural strategies of plankton-feeding sharks and whales, the results have importan...

Why do aneurysms form? New studies suggest leading role for white blood cells

...he University of Michigan Cardiovascular Center is shedding new light on the mystery. In the July 12 issue of the journal Circulation, U-M researchers report that a certain type of white blood cell called a neutrophil appears to be crucial to AAA formation. Neutrophils are the "first responders" of the body...

US/African project deciphers deadly parasite genome

...n addition, the unusual biology of the parasite is shedding light into aspects of human cancer biology. TIGR's president, Claire M. Fraser, says the project shows how North-South research collaborations can be effective and can benefit scientific partners on all sides. "This unique partnership has given a bo...

Creeping crinoids! Sea lilies crawl to escape predators, new video shows

...nd Messing speculated that the sea lilies might be shedding the ends of their stalks to release themselves from the places where they were anchored, then somehow moving to another location and using the fingers to reattach. In the late 1980s the researchers observed that sea lilies could, in fact, move from...

U. of Colorado researcher identifies tracks of swimming dinosaur in Wyoming

...nd Messing speculated that the sea lilies might be shedding the ends of their stalks to release themselves from the places where they were anchored, then somehow moving to another location and using the fingers to reattach. In the late 1980s the researchers observed that sea lilies could, in fact, move from...

Bacterial protein mimics host to cripple defenses

...ock out PCD brought on by a variety of conditions, shedding light on immunity. The protein itself or a derivative might one day be applied to control disease in crops or in people. For now, Martin and Abramovitch are working to find which proteins AvrPtoB acts on, and what role those proteins play in host PCD...

Polio vaccination strategies assessed as eradication nears

...ases, immunodeficient persons have shown prolonged shedding of VDPV, which may be transmitted to contacts, thu...se Control and Prevention examined the duration of shedding of oral poliomyelitis vaccine by individuals with HIV infection. Dr. Hennessey and colleagues tes...

Flick of a protein switches immune response

...h AP-1 and suppressed by NFAT with FOXP3. Beyond shedding light on the immune system, the Cell paper may advance biology and medicine toward a much larger goal: how to turn single genes on or off. "This [result] has far-reaching implications for understanding the principles of signal transduction and tran...

NHGRI announces latest sequencing targets

...e human genome sequence and other primate genomes, shedding light on molecular mechanisms implicated in human health and disease ?from infectious diseases and neurological disorders to mental illness and cancer," said NHGRI Director Francis S. Collins, M.D., Ph.D. The gibbon genome is unique bec...

Metal homeostasis research in plants will lead to nutrient-rich food and higher yielding crops

...rabidopsis seed. Examination of various mutants is shedding light on which transporters influence the distribution of important nutrients such as Iron in the seed. Such information should aid the development of nutrient-rich seed, beneficially affecting human nutrition and health. This research should also l...

New method confirms importance of fungi in Arctic nitrogen cycle

...fer of nitrogen from Arctic mushrooms to plants is shedding light on how fungi living symbiotically on plant r...rrhizal fungi." The researcher's new technique is shedding light not only on the nitrogen cycle in arctic tundra ecosystems, but can be applied to other nitrog...

How many genes does it take to learn? Lessons from sea slugs

... Molecular analyses of Aplysia neuronal genes are shedding light on these elusive processes. In 2000, senior author Eric Kandel, M.D., of Columbia University in New York shared the Nobel Prize in Physiology or Medicine for his work using Aplysia as a model of how memories are formed in the human brain. De...

A fisheye view of the deadliest breast cancer

...tumor cell membrane dynamics leading to continuous shedding of small cellular fragments. The transparent fish also let the researchers make high-resolution 3D images of two potential anticancer compounds at work: a vascular endothelial growth factor (VEGF) receptor inhibitor called SU5416, and a protein...

Fruit fly gene research may shed light on human disease processes

...e same features in humans." Besides potentially shedding light on human genetic maladies, Erickson and Avila say their work is just plain interesting. "After all," says Erickson, "fruit flies share the same life cycle as butterflies ?they're just not as pretty." ...

Researchers discover new details about HIV-1 entry and infection

...+ T cells may be principally responsible for local shedding of the virus in the vagina of women infected with HIV-1 while LC may harbor viable virus for some time before spreading it to other cells. These results reveal that it is necessary to consider mechanisms of viral entry into both CD4+ T and LC when...

New study challenges 'critical period' in childhood vision development

...chnology, launched an initiative with the hopes of shedding some light on the acquisition of visual skills. The goal of his "Project Prakash" is to find, treat, and study congenitally blind children in India. A unique case study that resulted from this project appears in the December 2006 issue of Psychologi...

Fighting influenza & co. with 40,000 blood samples

...e University of Bonn is now starting which aims at shedding light on this. Among other things, the researchers want to get a step closer to solving this riddle by examining tens of thousands of blood samples. The objective is also to develop new medicines which largely inactivate the viruses and enable the im...

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