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Tag: "controlling" at biology news

Limiting the damage in stroke

...apies for victims of strokes could be developed by controlling a molecule involved in passing the signal. Strokes lead to death or permanent disabilities for millions of people every year when an interruption of the flow of blood to brain cells deprives them of vital oxygen and nutrients. But the fate of the ce...

Changes to embryos can elicit change in adult fish

...ut, when the team mapped the regions of the genome controlling the jaw-opening system, they found that these leve...ers showed that the gene bmp4 is a major factor in controlling the jaw-closing system. When the team injected bmp4 protein into the developing embryos of another f...

Leading lampreys to slaughter: Pheromone for scourge of Great Lakes identified

...ly and less expensive. "The GLFC has the goal of controlling lamprey with a new and better technique by 2010. This could be it," said Peter Sorensen, a professor of fisheries, wildlife and conservation biology who led the study with chemistry professor Thomas Hoye. "Also, lamprey are important to native people...

Jefferson scientists identify gene defect leading to abnormal skin development and cancer

...ly and less expensive. "The GLFC has the goal of controlling lamprey with a new and better technique by 2010. This could be it," said Peter Sorensen, a professor of fisheries, wildlife and conservation biology who led the study with chemistry professor Thomas Hoye. "Also, lamprey are important to native people...

Telling axons where to go - and grow

... expression, thereby giving Rnf6 a central role in controlling actin dynamics in subcellular structures. Because LIMK1 has been implicated in biological processes such as metastasis and invasion of cancer, Dr. Bach points out that "�these results indicate that Rnf6 not only plays an important role in coordinati...

ORNL leading effort to help harness power of Shewanella

... production sites and minimizing global warming by controlling the cycling of atmospheric carbon dioxide. ...

Switching to new anti-bacterial targets: Riboswitches

...pmental Biology at Yale, showed that a riboswitch controlling vitamin B1 (thiamine) levels is disrupted in the p...hiamine is metabolized and binds to the riboswitch controlling thiamine. Co-authors at Yale on the work are Narasimhan Sudarsan, Smadar Cohen-Chalamish, Shingo N...

The brain is broadly wired for reproduction

...nRH neurons might have additional functions beyond controlling the pituitary, other investigators have shown that GnRH axons can be found in many different areas of the brain," said Buck. "Those findings suggested that GnRH neurons were sending signals to other neurons, but the neurons that received the signals ...

Biologists discover new pathway into plant cells

...ther to help or harm plant cells ?by increasing or controlling their growth, or introducing new characteristics. ...

Plants give pests sock in the gut

... in generating a cheap and highly effective way of controlling crop pests. Other authors of the paper include Tibor Pechan, Srinidi Mohan, Renuka Shivaji, Lorena Lopez, Alberto Camas, Erin Bassford, Seval Ozkan, Peter Ma, all at Mississippi State University; and W. Paul Williams, U.S.D.A. ...

UC Berkeley researchers create a biologically-inspired artificial compound eye

..., they pulled it into the dome shapes they needed, controlling its form by using different pressures. They then had a hemisphere-shaped cup pocked with some 8,700 indentations: a compound-eye mold that could be used over and over again using soft lithography technology, a set of methods developed over the last ...

Powerful new tool for studying brain development

...s that play key roles directing brain development, controlling the expression of other genes, guiding protein production and transporting molecules within the cell. A key part of the BGEM's success was the development at St. Jude of bioinformatics software that routinely searches scientific databases for new i...

Genetic and environmental influences on alcohol consumption among rhesus monkeys

...he problem of precise measurement of phenotype and controlling for environmental variation in human studies ?which is not as great an issue in animal studies." ...

Common bacteria pirate natural mechanism to get inside cells

... is limit internalization and ensuing infection by controlling dynamin activity through the inhibition of nitric oxide synthases, enzymes that produce nitric oxide." The new research uses the common bladder infection-producing uropathogenic E. coli as a model to show how nitric oxide unwittingly assists bacteri...

UCLA scientists find male gene in brain area targeted by Parkinson's

...ed dopamine that communicates with the brain areas controlling movement and coordination. As the cells die off, they produce less dopamine. This slows the delivery of messages from the brain to the rest of the body, leaving the person unable to initiate or control their physical movements. The condition eventua...

Junk DNA may not be so junky after all

...med "junk" DNA and identified regions critical for controlling gene function. And they have found that these control regions from different species don't have to look alike to work alike. The study will be published online at Science Express March 23. The researchers developed a new system that uses zebrafish ...

Infused spleen cells found not to impact islet recovery and reversal of type 1 diabetes in mice

...med "junk" DNA and identified regions critical for controlling gene function. And they have found that these control regions from different species don't have to look alike to work alike. The study will be published online at Science Express March 23. The researchers developed a new system that uses zebrafish ...

GlycoFi announces the first production of antibodies with human glycosylation in yeast

... in glyco-engineered yeast cell lines, and that by controlling the sugar structures of antibodies, their therapeu...y mediated cell killing compared to Rituxan®. "By controlling the sugar structures on antibodies we have shown that the antibodies ability to kill cancer cells ca...

The evolution of food plants: Genetic control of grass flower architecture

...sting that the ra2 gene plays an important role in controlling inflorescence architecture. A recent publication in The Plant Cell (Bortiri et al.) reports that ra2 encodes a putative transcription factor, or protein that controls the expression of other genes. Scientists involved in the study were Esteban Bortir...

Defective immune system response to smallpox vaccine detailed in new study

... immune system protein called LL-37 is critical in controlling replication of vaccinia virus, the live virus that...his colleagues suggested that LL-37 is critical in controlling the spread of vaccinia virus. In the current study, the investigators used skin samples taken from...

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