Tag: "shed" at biology news

Discovering the first steps in transcription-coupled repair

... mechanisms of TCR, Cooper and her colleagues have shed early light not only on how the mysterious process of transcription-coupled repair works at the molecular level, but also on the underlying cause of the transcription defects that accumulate after birth in Cockayne Syndrome, which result in cell deat...

Researchers devise dinosaur classification method

...o as polyphyodont animals because they continually shed and replaced teeth throughout their lives. Tooth replacement introduces the hardest and most resilient substance in the vertebrate body , enamel , into the local environment many times over as old teeth are lost and fall from the mouths of their ow...

Lateral thinking produces first map of gene transmission

...ueensland study mapping the evolution of genes has shed light on the role of gene transfer in bacterial diseases. The study, published recently in Proceedings of the National Academy of Sciences USA, was conducted by three scientists at UQ's Institute for Molecular Bioscience. Dr Robert Beiko, Professor...

How do you feel? Genetics are partly to blame

...about the quality of our health." The findings may shed light on how people use health services, such as why some people are more likely to call the doctor about medical problems than others or why some don't follow prescribed medical treatments, he added. They also help to explain why health promotion a...

Nanoparticles, nanoshells, nanotubes: How tiny specks may provide powerful tools against cancer

...od and in detecting specific types of cancer cells shed in the blood from tumors. Immunonanoshells for Selective Photothermal Therapy (Abstract 3198) and Nanoshells for Combined Cancer Therapy and Imaging in vivo (Abstract 2711) Researchers at Rice University are working on a novel and systematic appro...

Bacteria which sense the Earth's magnetic field

...tute of Biochemistry, and which has already helped shed light on many cellular structures and functions. C...dy imaged in three dimensions in other cells. This shed light on the crux of the problem with the magnetosome chain: although in the wild type, the magnetos...

Decrease cancer-suppressing protein activity, increase life span

...e cells. Published in Current Biology, the results shed important new light on the role this "protector of the genome" plays in aging and point to p53 as a viable target for anti-aging drugs. The p53 gene plays a critical role in the body. It protects human cells by producing a protein that triggers apopt...

Regenerating worms help elucidate stem cell biology

...mans. The replacement of tissue lost to injury or shed during the body's normal activities is essential for the survival of most organisms. The new study, published in the November 25, 2005, issue of the journal Science, helps scientists understand how stem cells make this process possible. The resear...

Potential malaria drug target identified

...ttached to host blood cells, the parasites need to shed the "sticky" surface proteins that would otherwise... without it, the parasites die. The results also shed light on the fundamental mechanisms malaria parasites use to infect cells. "The malaria parasite is...

Feeling fat in the festive season? It's all in your mind

...ts of the brain are involved in body image and may shed some light on anorexia and body dysmorphic disorder, where sufferers are overly concerned by a small or imagined defect in their body, and frequently overestimate or underestimate their actual body size. The study, led by Dr Henrik Ehrsson of the U...

MicroRNAs have shaped the evolution of the majority of mammalian genes

RNA continues to shed its reputation as DNA's faithful sidekick. Now, researchers in the lab of Whitehead Institute Member David Bartel have found that a class of small RNAs called microRNAs influence the evolution of genes far more widely than previous research had indic...

NJIT mathematician receives Fulbright to study thin film science in Argentina

...m polymer. Kondic hopes his work in Argentina will shed more light. To achieve results, Kondic will use large scale numerical simulations to analyze the problems and find solutions. These simulations will be performed on a large computer located at NJIT, purchased with funds from the National Science F...

Salty taste preference linked to birth weight

...w study from the Monell Chemical Senses Center may shed light on why some people like salt more than others. The results suggest that a person's liking for salty taste may be related to how much they weighed when they were born. In a paper published in the European Journal of Clinical Nutrition, the Mone...

A crucial role for TGFbeta signaling in congenital eye disorders

... implicated in human eye disorders. These findings shed light on the origin of congenital eye disorders that can give rise to glaucoma and blindness: Axenfeld-Rieger's anomaly and persistent hyperplastic primary vitreous. Lukas Sommer, from the Institute of Cell Biology at the ETH in Zurich, Switzerland, ...

USC researchers track down the stem cells that create feathers

...l step in a scientific journey that may ultimately shed light on human organ regeneration. The research, published in the December 15 issue of the journal Nature, was performed by a group of prominent stem-cell researchers from the Keck School of Medicine of the University of Southern California. "What we...

Learning about sex from an elegant worm

...ising area of further research, which will "likely shed light on the basis of human infertility, particularly in males, which has been linked to synaptic defects." "Chromosome sites play dual roles to establish homologous synapsis during meiosis in C. elegans," by Amy J. MacQueen, Carolyn M. Phillips, N...

WWF peeks into mysterious life of Borneo's pygmy elephants

...cle convoys in Iraq is helping World Wildlife Fund shed light on the little-known world of pygmy elephants in Borneo. This week marks the six-month anniversary of the first pygmy elephant's being captured and outfitted with a collar that can send GPS locations to WWF daily via satellite. Now, for the fi...

Plant defenses prompt bacterial countermeasure in the form of 'island' DNA excision

...ne step of this arms race in action, and they have shed light on the molecular mechanisms employed by a bacterial pathogen to survive in the face of its host plant's defenses. The research is reported by John Mansfield and colleagues at Imperial College London, the University of the West of England, and t...

Study reveals classic symbiotic relationship between ants, bacteria

...e views it as a model system with the potential to shed light on the way other organisms interact. Although the ants and their fungus gardens had been closely studied for dozens of years, Currie was the first scientist to identify the crucial role of bacteria and the antibiotics they produce. He made a k...

Study links Alzheimer's disease to abnormal cell division

...e neurons in order for them to die. The findings shed new light on the theory that the accumulation of amyloid beta in the brain causes the neuron death in AD. Because the abnormal cell cycling begins months before the formation of amyloid plaques, it is unlikely that the plaques themselves trigger the...

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Breaking Biology News(10 mins):New perspectives for development of an RSV vaccine 2Sandata Announces Case Study with Quality Care Services, Inc. 2Johannes Gutenberg University Mainz joins Germany's Gauss-Allianz as a full member 2Johannes Gutenberg University Mainz joins Germany's Gauss-Allianz as a full member 3
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