Tag: "illustrates" at biology news

Development of hair depends on development of the hair channel

...w an unusually short and stubby coat. "This study illustrates for the first time the interrelationship between hair and the hair channel on a genetic level," says first author Charles Kaufman, an M.D.-Ph.D. student at the University of Chicago who studied in the Fuchs lab at Rockefeller. "Simply put, you can't...

Pioneering study compares 13 vertebrate genomes

...ing of a reconnaissance expedition, but it clearly illustrates why we need to explore many other animals' genomes to identify highly conserved sequences that reflect the functional parts of the vertebrate genetic blueprint." Dr. Miller is a computer scientist whose research involves developing algorithms and sof...

Parasites prevent ants from protecting coffee plants

... plants escaped ant attacks altogether. The system illustrates what ecologists call a trophic cascade, in which changes higher up in the food chain cascade or trickle down to affect organisms at lower levels. "Having phorids in the system cascades down to affect Azteca prey via their interactions with Azteca ant...

Scientists uncover amyloid-like proteins in bacteria

...nal amyloid-like fibrils in Gram-positive bacteria illustrates the diversity of amyloid function across genomes....

Finished Y-chromosome sequence reveals a genomic 'crystal palace'

...as been extraordinarily valuable, I think our work illustrates that those hardest parts of the genome that remain to be sequenced might house particular gems worth finding." And further digging in especially frustrating heterochromatic regions of DNA, which also contain massively duplicated blocks of genetic mat...

3-D imaging inside living organism, using quantum dots

...t this kind of resolution and high signal-to-noise illustrates how useful multiphoton microscopy with quantum dots can become, in a biological research context, for tracking cells and visualizing tissue structures deep inside living animals." Zipfel cited the study of vascular changes in cancer tumors as one pos...

Controlling cell adhesion: Researchers report first evidence of 'catch bonds'

...interact with one another and with DNA. This work illustrates a new regulatory mechanism for how proteins which from a mechanical engineer's perspective are nanomachines operate." Supported by the National Institutes of Health (NIH), the research involves two teams of scientists, one at Georgia Tech and Emory...

MacKinnon lab's newest picture tells action potential story

... ion channel, the first published picture of which illustrates the cover of Nature's May 1 edition, revealed by MacKinnon and his rainmaking group of biophysicist-crystallographers. Inside, Nature features two articles, co-authored by Vanessa Ruta, Alice Lee, Jiayun Chen, Brian Chait, D. Phil., and Martine Ca...

Advances in prosthetic, orthopedic, and audiologic diagnostic tools

...n enhances shoulder rehabilitation, pg. 147 Study illustrates the globe system, an improved method to describe shoulder positions for physical exams and studies of everyday tasks. In contrast to the commonly used way to describe shoulder positions in terms of degrees of arm elevation, the globe system is a stan...

Whale study links genetics and reproductive success

...al lines are more productive or fecund than others illustrates how a population's genetic diversity can be affected by life histories on a large scale," said Rosenbaum. "This suggests that genetic research can add a valuable component to population projections that contribute to the effectiveness of conservation...

Rockefeller, Weill Cornell researchers find link between estrogen, brain structure changes

...memory -- a finding, the researchers contend, that illustrates the likely value of the hormone to enhance brain functioning in women. Their study, published in the March 15 issue of The Journal of Neuroscience, describes for the first time a chain of molecular events that is activated in the brain's primary memo...

Dartmouth researchers put recycling in perspective

...public transportation and less travel. "Our study illustrates how poorly consumers understand the environmental impact of their actions and how public policy is driven by a very superficial understanding of the relevant issues as well," says Gerngross....

With toxic crystals, bacterium targets - and takes out nematodes

...odel organism for research). More broadly, it also illustrates how inquiries into basic genetic mechanisms may ultimately lead to answers with profound worldwide benefits."...

Perlegen scientists find genetic basis for difference between humans and non-human primates

...legen and the lead author on the paper. This study illustrates the power and versatility of Perlegens high-density array technology in the detection of DNA rearrangements. Comparison of human chromosome 21 with chimpanzee, orangutan, rhesus macaque, and woolly monkey DNA sequences identified a significant number...

What to plant when the fires go out

... what plants to use in re-vegetating western lands illustrates the "peculiar way that American society has evolved politics and practices to cope with fire's threats and utility." "The United States does not have a fire problem," Pyne says, "It has many fire problems. The core concern, however, resides in the W...

Host gene that makes people vulnerable to leprosy discovered

... published in 2003 by McGill/CGDN scientists, that illustrates the importance of host genes in infectious disease. Dr. Philippe Gros discovered a gene (Naip-5) could make mice resistant to Legionnaire's Disease. "We are now looking forward to applying the same gene identification strategies for other common in...

Using RNA interference to tune gene activity in stem cells

...survival rates compared to control mice. The study illustrates the ease with which RNAi "gene knockdowns" can be used to create a full range of mild to severe phenotypes (something that geneticists dream about), as well as the potential of RNAi in developing stem cell-based and other therapeutic strategies. Alo...

UT Southwestern researchers identify gene that could have important role in human wasting disorder

...ical Center at Dallas have discovered. "This study illustrates the way in which dissecting a basic problem in developmental biology can lead to unexpected connections to human disease," said Dr. Eric Olson, chairman of molecular biology and senior author of the study, which appears in today's issue of Cell. "Who...

New center will probe links between diet, genes and disease

...r health for all Americans." "This new initiative illustrates the power of bringing together a diverse group of experts to collaborate on a common goal," said Phyllis Wise, dean of the UC Davis Division of Biological Sciences. Diet can be a serious risk factor for a number of diseases, Rodriguez said. But in an...

A global warming Catch-22?

...equestered in deep waters. Bidle said his research illustrates a possible global warming Catch 22 -- the warmer the ocean, the less able it is to pull carbon out of the atmosphere, which in turn may set the stage for even warmer ocean temperatures. Also, temperature change in cold water regions like Antarctica...

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