Tag: "sifting" at biology news

Plumbing trees' plumbing reveals their engineering skill

...-- is like taking a wrecking ball to the house and sifting through the debris to understand the plumbing system. The researchers, led by biologist Robert Jackson, published their findings in the September 2004 issue of the journal "New Phytologist." Lead author on the paper was Andrew McElrone, formerly of D...

Kinase backgrounder: Iressa discovery part of major kinase project at Dana-Farber

...sts are scanning the DNA from human tumor samples, sifting through their genetic blueprints for genes that produce abnormal growth-stimulating proteins known as tyrosine kinases. These mutant proteins behave like stuck "on" switches, causing unruly cell growth. The beauty of the plan, the investigators say, ...

Three new South American fish identified

...constantly stir the river bottoms, scooping up and sifting sand in their mouths to find invertebrates to eat. "By constantly sifting the bottom, they may have an effect on the invertebrate community and therefore what lives in the ar...

Researchers identify new cause of genomic instability

Howard Hughes Medical Institute researchers sifting through the indispensable machinery that senses and fixes broken DNA have discovered a new culprit that can induce instability in the genome and thereby set the stage for cancer to develop. Studies in mice have shown that loss of H2AX , a gene that ...

Systematic analysis of gene family uncovers new therapeutic targets for colon cancer

...identify mutations in 14 of these genes only after sifting through more than 4 million base pairs of DNA. "These mutations are truly needles in a haystack," says Velculescu. "Without the sophisticated new technologies and knowledge developed through the Human Genome Project, it would have been impossible f...

Scripps scientists discover rich medical drug resource in deep ocean sediments

...f California. They also developed new methods for sifting through these samples (which contain roughly one billion microorganisms per cubic centimeter), culturing the microorganisms, identifying them by genetic methods, and screening their metabolic products for anticancer and antibiotic properties. By ge...

Applied Biosystems launches Assays-on-Demand SNP genotyping and gene expression products

.... "In the past, we would have spent several months sifting through genomic data, developing, designing, validating and optimizing our own assays. With Applied Biosystems' approach, we can begin performing our association studies within two to three weeks from the time of ordering these new validated and read...

Scientists find hidden piece of influenza virus

...ists turned up this new protein by accident, while sifting through bits and pieces of "junk" peptides. Junk peptides are short protein molecules the virus creates once it infects a cell and begins replicating. They form when the process that translates viral genes into proteins goes awry, Dr. Yewdell expla...

First land plants and fungi changed earth's climate, paving the way for explosive evolution of land animals, new gene study suggests

...s of plants and fungi living today. They began by sifting through their molecular fingerprints--the unique sequences of amino-acid building blocks--in many thousands of genes from hundreds of species archived in the public gene-sequence databases. Eventually, they found 119 genes common to living species ...

New proteomics tool offers a clear look at cellular proteins IDAT can detect proteins at an unprecedented resolution for research and clinical use

...of potential uses from detecting cancer earlier to sifting through samples of molecules to find new candidates for drug research. In todays edition of Proceedings of the National Academy of Science, the researchers describe how they used IDAT to identify a protein marker for breast cancer at a resolution up ...

Beyond Jurassic Park: Real Science With Ancient DNA

...rked with colleaguesat New Mexico State University sifting through herbarium (dried plant) specimenscollected since 1891 to identify those with a specific rust disease, caused bythe fungus Puccinia grindeliae. Examining this century old fungus and analyzingits genetic evolution could help identify potential ...

Plants get the message, too

...th may be a useful andcost-effective first pass at sifting through thousands of potentiallytherapeutic compounds....

New Fossil Discoveries Clinch Ancient Age Of Human Ancestor

... ash," Walker explains. "Since then--after much sifting through the ashes--we have managed to get enough good crystals to determine quite firmly that these fossils are between 4.1 and 4.2 million years old," he says. "We also have discovered 38 more fossils at this site that clearly show us how very p...

Florida Researchers Discover Gene For Fatal Childhood Disease

...its location in micewith Chediak-Higashi syndrome, sifting through piece after piece of DNA todetermine which gene was mutated. They then isolated it in people with thedisease. The two-year effort was funded by the National Institutes of Health,the Arthritis Foundation and the American Cancer Society...

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