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Tag: "task" at biology news

Growth in the sea comes down to a struggle for iron

...ut into a long, narrow strip. The major night-time task was to steam in crisscrossing transects to re-do the map of the patch because of this rapid change," says Wells. The two vessels worked together in the patch for 12 days but operated independently most of the time. New security guidelines prohibit s...

New binding target for oncogenic viral protein

...controls. Simian virus 40 (SV40) accomplishes this task by producing the highly oncogenic large T antigen. This protein corrupts the cellular checkpoint mechanisms that guard cell division and the transcription, replication and repair of DNA. T antigen also inactivates some of the most important proteins ...

Timing is everything: First step in protein building revealed

...ery what,when, where, why, who and how is no small task -- roughly 27 bits likeeIF1 play a role at one point or another. To tackle the problem, Lorschand his colleagues move between "timing" studies of the ribosome'smolecular comings and goings, and genetic studies that create mutantribosome parts, which ...

UW's Rosetta software to unlock secrets of many human proteins

...llions of volunteers aroundthe world, he said, the task will be completed in less than a year.IBM's World Community Grid, which was built using grid technologydeveloped by United Devices, will enable millions of people tovolunteer their personal computers to run Rosetta during periods ofcomputer downtime....

Researchers find how protein allows insects to detect and respond to pheromones

...llions of volunteers aroundthe world, he said, the task will be completed in less than a year.IBM's World Community Grid, which was built using grid technologydeveloped by United Devices, will enable millions of people tovolunteer their personal computers to run Rosetta during periods ofcomputer downtime....

Scientists collaborate to assess health of global environment

... group of scientists has accomplished the daunting task of evaluating the status of all of the ecosystems on Earth, and the outlook is troubling. Commissioned by the United Nations in 2001, the Millennium Ecosystem Assessment program will issue its primary report on March 30 during press conferences in L...

Needling Chromosomes Reveals Cell Division Secret

...rth Carolina at Chapel HillPaliulis's skill in the task was extraordinary, said Nicklas. "First ofall the needles are invisible in the cell, so you have to continuallymove them back and forth to detect their position by how they disturbstructures around them. Also, the micromanipulation apparatus isarrang...

Scientists rid stem cell culture of key animal cells

...w and sustain stem cells through the tedious daily task of generating mouse feeder cells from mouse embryos. Feeder cells, or fibroblasts, are connective tissue cells that form the matrix upon which stem cells grow. The mouse feeder cells were an important ingredient in the mix of culture materials requi...

Protein Packages Found To Activate Genes; May Be What Regulates Development And Disease

... them with a huge amount of data, and the daunting task of deciphering what it means in terms of how genes function. For that part of the project, they teamed with investigators from the Broad (pronounced to rhyme with "road") Institute. "The human genome still has many surprises lurking within it," comm...

MSI releases 'moleculizer' - a new approach to simulation of intracellular biochemical networks

...l potential complexes and reactions all at once, a task that requirestremendous computer resources beyond the scope of most research labs. "Moleculizeris a powerful tool that meets a very real need for biologists,"explained Dr. Brent. "It is a critical step forward in our quest toprovide an accurate simu...

PANTHER Protein Classification System Database 5.0

...part of an ongoing collaboration withFlyBase. “The task of performing functional annotation of genomes isc... TheCellDesigner software immensely simplifies the task of capturing anddisplaying detailed pathway data,?added Dr. Thomas.“This collaboration has been a te...

Tiny scaffolding allows stem cells to become working fat cells

...t, the cells were able to absorb lipids a hallmark task of fat cells. Researchers were able to extract RNA from the cells, just as they can from naturally occurring fat cells, and from that proved that the cells expressed the normally expected array of genes, and subsequent proteins and did so as well as...

Agilent Technologies releases automated literature search tool for biology researchers

...ists can use the new plug-in to avoid the daunting task of manually searching for each gene and protein in the scientific literature and patents. "Mining past literature for information about proteins and protein interactions is a critical step for building models of cells," said Trey Ideker, assistant p...

X-Ray Beams And Fruit Fly 'Flight Simulator' Aid Scientists' View Of Muscle Power

... wingbeat. “Small flying insects face an enormous task ?generating enough power to overcome gravity, air resistance and drag ?and they do this by beating their wings ferociously,?said Maughan. “We found out that timing is key, where certain molecules have to be positioned exactly with respect to others d...

Molecular Motors Cooperate In Moving Cellular Cargo, Study Shows

...ne. The little cargo transporters accomplish their task by stepping along filaments called microtubules. To measure such minuscule motion, Selvin and colleagues at Illinois developed a technique called Fluorescence Imaging with One Nanometer Accuracy. The technique can locate a fluorescent dye to within ...

Computational Method Speeds Mapping of Cell Signaling Networks

...guide information flow inside cells is a difficult task using standard experimental methods. Multidisciplinary research teams are working on new approaches to make the process faster and easier. One such group, led by Garry Nolan of Stanford University and Douglas Lauffenburger of MIT has "opened the doo...

GeneNotes - A novel information management software for biologists

...llecting and managing information is a challenging task in a genome-wide profiling research project. Most databases and online computational tools require a direct human involvement. Information and computational results are presented in various multimedia formats (e.g., text, image, PDF, word files, etc....

Chemicals in tattoo inks need closer scrutiny

... has not traditionally regulated them, letting the task fall to local jurisdictions, according to a fact sheet issued by the FDA Office of Cosmetics and Colors http://www.cfsan.fda.gov/~dms/cos-204.html. This effectively gives a tattoo artist license to inject whatever he or she deems appropriate under th...

Protein That Promotes Survival Of Stem Cells Might Be Key To Poor Leukemia Prognosis

...ue to thrive and multiply so they can complete the task of making huge numbers of blood cells. This process is extremely important during the initial development of the blood system before birth. Expression of Mc1-1 is also crucial for maintaining blood cells throughout life as red and white cells and pla...

Study reveals new technique for fingerprinting environmental samples

...ent in nearly all environments makes it a daunting task to sequence the multitude of organisms one at a time. With the EGT approach, an abbreviated sequencing effort enables scientists to piece together the information and form a useful metabolic picture of an entire complex environment. This study was d...

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