Tag: "sift" at biology news

A New Biochemical Link Established Between Stress, Sex And Dominance

... fish food from below ­ in the wild, cichlids sift through gravel to eat the decaying plant matter collected there. Overturned flower pots imitate the rocky nooks that male cichlids defend as spawning sites in their territories. By setting up various versions of this environment and introducing vario...

Brown University research team finds keys to liver development

...ation. The researchers developed the techniques to sift through tiny fragments of tissue to identify the relevant signaling factors. In doingso, they found that the growth factors FGF1 and FGF2, and to some extent FGF8, begin the liver development process by differentiating themulti-pote...

Asthma-linked genes discovered at Berkeley lab

... the othermembers of the team were able to rapidly sift through 25 genes located in thegenetic interval where the "asthma suspicious" genes had been localized. Theythen matched physical features, or phenotypes, of these mice with thosecharacteristics seen in human asthmatics, to eventually identify IL 4 ...

Consumerism, e-commerce and biotechnology to cause changes in health system over next decade, says PricewaterhouseCoopers study

...ly turn to the Internet or other intermediaries to sift through or evenbroker these needs," says Sandy Lutz, author of the HealthCast 2010 report. "Toprepare, healthcare organizations will need to restructure and adoptretail-like branding, delivery efficiencies and incentive systems." Genomics and the ...

Taking a SNP in the gene pool: Scientists harvest human gene differences

...tion of DNA that does not encode active genes. To sift "coding" SNPs from such non-coding variations, Garg and colleagues made use of so-called cDNA "libraries," which are collections of active genes from one or more individuals. After searching each of 50 different libraries for known genes, they compa...

Argonne leads new Midwest Center for Structural Genomics

...uction are in the works. Computer researchers also sift through data to point researchers toward what could be the most important proteins to study. The center will first organize all known proteins into structural families based on their genetic sequences. They will then determine the structure of one o...

New finding accelerates discovery of disease genes and human population history

...e sentence level, which would make it difficult to sift through, but at page, or chapter levels, making it easier to sift," says Lander. SNPs and Human Population History This same information also provides a rich "fossil record" of human population history. Previous modelsbased on genetic as well as arch...

Rutgers researchers find black tea 'bullet' that targets colorectal cancer

... of selected genes, allowing researchers to easily sift through many compounds to uncover those with therapeutic potential. Rutgers licenses the process to WellGen, a New Jersey company spun off from Rutgers in 1998. The university is a major shareholder in WellGen, which develops and markets the compoun...

Researchers discover molecular 'switch' that tells body to store or burn fat

...olas Socci, Ph.D., developed a computer program to sift through some 6500 mouse genes contained in a single Affymetrix Inc. gene chip. The researchers looked for genes that are specifically suppressed by leptin, and SCD-1 topped a final list of 36 genes. "Gene chips identify hundreds of genes that are pot...

Researchers produce motor neurons from embryonic stem cells

... than in mouse ES cells; so it may be necessary to sift through a number of the available human ES cell lines before arriving at a cell which behaves as its mouse counterpart. But, in principle there is no reason why this type of approach might not be successful with human cells," he said....

Computational geneticists revisit a mystery in evolution

...ion until now - when, aided by computers, they can sift through mountains of experimental data. In the June 24 issue of the Proceedings of the National Academy of Sciences, senior research scientist Aviv Bergman of Stanford's Center for Computational Genetics and Biological Modeling (CCGBM) and postdoctor...

NIGMS center grants will spice up chemical libraries

...oped automated screening tools allow scientists to sift through massive collections of compounds in short order. This approach was quickly adopted by the pharmaceutical industry, which routinely uses it to discover bioactive compounds that potentially could be developed into new drugs. Although industry...

New genetic 'fishing net' harvests elusive autism gene

... This new genetic fishing net allows scientists to sift through complex genetic data and extract genetic risk factors that affect only some of the total group. In this case, when the researchers applied the new test only to those families whose children scored high in the IS category, they discovered a s...

Dealing with reams of data

Using Web-based tools they developed to sift through reams of data, scientists from the Kennedy Krieger Institute and Johns Hopkins hope to unravel the genetics of neurological problems associated with Down syndrome, autism and lead poisoning. Their search starts with microarrays, or so-cal...

The roots of human behavior? AAAS and The Hastings Center host a public meeting

As scientists sift through the newly sequenced human genome, hopes are high that they'll turn up the basic components of disabling mental disorders. But, is there a flip side to finding a biological basis for human behavior? Might past abuses be repeated? And, what doe...

Purdue instrument to fashion custom-made proteomics chips

...s. To make such advances, however, scientists must sift through the jumble of proteins inside a cell and isolate each one, which has not been an easy job. "Proteins form a kind of complex soup inside your cells," said Zheng Ouyang, research scientist and co-author of the paper. "It has only been recently ...

New protein provides clue to diabetes

... "By using the tags," Bogan says, "we were able to sift through all the cells and find this needle in a haystack." Bogan found that one protein, TUG, had a significant effect on GLUT4, acting as a tether that binds GLUT4 inside the cell. When insulin reaches the cell surface, it signals TUG to release ...

How many fish in the sea? Census of Marine Life launches first report

...w" present, aggregations of biological debris that sift slowly downwards from the upper layers of the ocean. Scientists suspect that fishes indigenous to one side of the Atlantic Ocean may be using extinct undersea volcanoes as stepping stones to migrate to the other side. Exploring the Bear Seamount, ...

'Panning for gold' in the maize genome

... findings suggest that scientists could be able to sift out the approximately 450 million base pairs of DNA containing the genes from the maize genome and then reassemble the sequence. Such a comprehensive genomic resource would provide growers and breeders a wealth of tools to improve maize, as well as ...

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