Tag: "linking" at biology news

New mouse model shows how news of pathogen reaches immune system

...periments found the tubules formed like train cars linking up on the tracks of the cell's cytoskeleton. In a related paper, time-lapse video from Yale researchers uses another new microscope technique to show that antigen-hauling MHC class II molecules carried their cargo from the acidic bowels of the dendr...

A thermodynamic history traces temperature's effect on Universe, Earth and humans

...peratures are in the low 70s. In another passage linking temperature to human evolution, Segr marvels at how scattered radioactivity in the Earth's crust has essentially given rise to creatures sophisticated enough to ponder radioactivity. "The radioactive alpha particle decay of a few kinds of nuclei he...

Gene trigger for pancreas formation identified

... want to do therapeutically." Wright believes that linking lineage tracing and gene knockouts will become increasingly common. "It adds extra depth to understanding cellular behavior," he said. He is also enthusiastic about fluorescent variants of the lineage tracing technique that will allow investigators...

Gene may protect abused kids against behavior problems

...any psychologists search for environmental factors linking childhood maltreatment and adult antisocial behavior, the group from Wisconsin has looked to a gene that regulates levels of monoamine oxidase A (MAO A) - an enzyme that cleans up excess neurotransmitters, chemicals in the brain that transmit nerve s...

University of Georgia researchers link increased risk of illness to sewage sludge used as fertilizer

...n waste treatment process. This study is the first linking adverse health effects in humans to the land application of Class B biosolids to be published in a medical journal. It was co-authored by David Lewis, a UGA research microbiologist also affiliated with the U.S. Environmental Protection Agency (EPA)'s...

CWRU scientists demystify protein at root of arthritis

...ional world is a path leading scientists closer to linking a disease with its genetic characteristics. Trailblazing these paths requires us to investigate these proteins, one at a time, to learn how they interact inside their own three-dimensional world and in the body." According to the National Institutes ...

Gene may bias amygdala response to frightful faces

... this finding may lend credence to earlier reports linking the short gene variant to slightly higher levels of anxiety. It provides potential insight into one factor that contributes to the way people experience emotion." Each of us inherits two copies of the transporter gene for the chemical messenger ser...

2002 ESA award winners

...lle, Spain, has been at the forefront of fieldwork linking ecology and evolutionary perspectives. "Few working ecologists have personally generated more and more important long term data sets on the evolutionary ecology" of interactions between species said colleague Laurel Fox. Studying evolution, he ha...

Washington University receives $2.2 million funding from Howard Hughes Medical Institute

...t for grants and special programs. "One barrier to linking research and education is the lack of opportunities for graduate students and postdoctoral fellows, who are the future professors, to acquire teaching skills and experience," says Bruns, who was a professor of biology at Cornell University before he ...

Howard Hughes Medical Institute awards $80 million for undergraduate science education

...t for grants and special programs. "One barrier to linking research and education is the lack of opportunities for graduate students and postdoctoral fellowswho are the future professorsto acquire teaching skills and experience," says Bruns, who was a professor of biology at Cornell University before he join...

UB scientists report fast, simple method of generating 'designer' RNA catalysts for proteomics

...the aminoacylated tRNA, the essential molecule for linking the geneticcode to amino acids, triggering protein synthesis. "Our system has the potential to provide a simple method for the preparation of such aminoacyl-tRNAs for researchers who want to expand the amino-acid repertoire for protein synthesis," s...

'Trojan horse' technology destroys blood supply to cancer tumors in mice

...ave demonstrated in mice that a new drug formed by linking a vascular endothelial growth factor to a toxin will target and destroy the blood vessels supplying a malignant tumor. Dr. Michael Rosenblum, Professor of Medicine at M. D. Anderson, said tests of VEGF121/rGelonin (VEGF/rGel) in mice demonstrated it ...

Collaboration advances potential therapy for autoimmune diseases

...fense jobs for former Soviet weapons scientists by linking them with U.S. companies interested in commercializing their non-weapons technologies. IPP projects have engaged more than 500 former weapons scientists in pursuing commercial applications. If this antibody proves effective, the companies could pat...

Buffalo neuroimaging researchers studying multiple sclerosis from inside human brain

...atrophy under the disease's onslaught. Others are linking stages of atrophy with physical and cognitive symptoms and are developing a "standardized" image of the caudate nucleus in brains of patients that will serve as a model for assessing disease stage and predicting progression. Still other scientists a...

Cutting edge

...nd K. Taira report on a technical breakthrough. By linking ribozymes to helicases, cellular components whose normal function is to smooth out folded RNAs to allow them to be translated into proteins, these investigators have managed to circumvent this folding difficulty. They have been able to efficiently in...

MelTec GmbH characterizes protein networks involved in T-cell invasion

...oteomic information that was not available before, linking cellular topology, protein expression and function. MELK reads protein networks in the context of whole, intact cells, providing an image of protein locations in the cell, or the cells protein topology. MELK enables the researcher to simultaneously d...

Experimental therapy stops allergic reactions in mice

...its two active parts are connected, or fused, by a linking molecule. As it is constructed now, GE2 contains generic active parts that indiscriminately block reactions to any allergen, Dr. Saxon says. However, a fusion protein like GE2 could be designed to contain a specific allergen such as a peanut protein...

Tucson chemist wins national award for studies of life molecules

... largest scientific society for his discoveries in linking hormones and other life molecules to their affects not only on body chemistry but on behavior as well. He will receive the 2002 Ralph F. Hirschmann Award in Peptide Chemistry from the American Chemical Society at its national meeting in Orlando, Fla....

Impact events' kinetic energy may be key to understanding the severity of mass extinctions

...oid and comet impacts with the Earth may be key to linking some impacts with mass extinction events. Michael Lucas, a geology student at Florida Gulf Coast University, believes that the severity of four extinction events during the Mesozoic and Cenozoic can be correlated with the total kinetic energy release...

Unexpected links found between many RNA viruses

...thways and structures to replicate their genes. By linking three of the six major classes of viruses, the results offer a significant unification within the field of virology. The multiple functional parallels we have found in replication mechanisms reveal unexpected links among these viruses, said Ahlquist....

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