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Tag: "producing" at biology news

Attacking cancer's sweet tooth is effective strategy against tumors

An ancient avenue for producing cellular energy, the glycolytic pathway, could pro...the cells have switched to an alternative means of producing ATP, namely glycolysis, but it was not clear if the glycolytic and mitochondrial pathways were conne...

UC San Diego biologists solve plant growth hormone enigma

...ficantly increase the effort and waste involved in producing tomato sauce. "This study is a real tour de force," commented Martin Yanofsky, a professor of biology at UCSD, who was not one of the authors of the study. "People have been trying to figure out auxin for decades. By carefully inactivating the gen...

Value of services performed by insects tops $57 billion in US

...hereby decreasing the likelihood of forest fires); producing honey, shellac, dyes and other products; being used in medicine or as a source of food for animals other than those used in hunting, fishing and birding; and providing a direct source of food for humans. Based on their analysis, Losey and Vaughan ca...

Science finds new fix for UV-damaged skin in arthritis treatment

...age melanocytes, cells in the skin responsible for producing melanin, in a variety of different ways. Often, th...oduction of chemicals that allow the cells to keep producing more and more melanin ?which eventually leads to age spots and uneven discoloration. Additionally, a...

Proteins stop blood-vessel and tumor growth in mice

...fect. If they can find a small molecule capable of producing the fibulins' effects, it would hold more promise as a viable therapy. ...

Amber reveals ecology of 30 million year old spiders

...r region. It was also found the fauna of the amber producing trees in each region accounted for this difference in size. "Several lines of evidence show that greater structural complexity of Baltic compared to Dominican amber trees explains the presence of larger web-spinners. The Dominican trees are long, th...

Salmonella bacteria use RNA to assess and adjust magnesium levels

... protein could still somehow respond to magnesium, producing less of its protein at high magnesium levels. Researchers used a computer program to determine how RNA copied from the MgtA gene might be folding up. The program predicted RNA copied from the gene could have two significantly different configuratio...

Stem cell transplants improve recovery in animal models for stroke, cerebral palsy

... along that penumbra and that is how we feel it is producing significant recovery, by rescuing cells within the...erapeutic benefit in multiple ways, for example by producing factors that limit tissue damage and stimulate repair, according to Dr. Gil Van Bokkelen, the compan...

Molecular force field helps cancer cells defend against attack

...he first to show that if a tumor is prevented from producing the enzyme it dies. The scientists also have identified some protein receptors FAK binds to; VEGFR-3 is the latest they've discovered and represents a "hot area for developing therapeutics," Cance said. "We've shown that if you disrupt this interact...

Report lists top 20 most-vulnerable African carnivores

...knew that any bright green bacterial colonies were producing protein fragments that remained free. Those rare colonies would be the best candidates for further analysis. Jacobs performed these experiments on fragments of the telomerase enzyme from a variety of organisms, and found that only a fragment from ...

Groovy protein essential for promoting cancer development

...knew that any bright green bacterial colonies were producing protein fragments that remained free. Those rare colonies would be the best candidates for further analysis. Jacobs performed these experiments on fragments of the telomerase enzyme from a variety of organisms, and found that only a fragment from ...

Hopkins researchers discover genetic switch that turns off an oxygen-poor cell's combustion engine

...tivated by HIF-1 to prevent the mitochondrion from producing ROS. The other authors of this paper include Jung-whan Kim, Irina Tchernyshyov and Gregg L. Semenza, who discovered HIF-1 a decade ago. ...

Paleontologists learn how not to become a fossil

... be assessed in much the same way, Jablonski said, producing a clearer picture of the biological dynamics of th...rom the fossil record and how to make corrections, producing a clearer picture of the biological dynamics of the past." ...

Creation of antibiotic in test tube holds promise for better antibiotics

... is made in nature and moves researchers closer to producing new antibiotics that would preclude the development and spread of antibiotic-resistant bacteria, said Wilfred A. van der Donk, a professor of chemistry, and Satish Nair, a professor of biochemistry, both at the University of Illinois at Urbana-Champa...

AIDS drug from sunflowers

...gus attack more or less unscathed. They do this by producing specific antibodies which eventually put a stop to the fungus. The agricultural engineer Claudio Cerboncini wanted to find out what chemical weapons the fungus-resistant sunflowers have at their disposal. In his PhD thesis for Professor Heide Schnab...

Plant-derived vaccines safeguard against deadly plague

...he leaves of the tobacco plants. Like most crops, producing vaccines in tobacco plants primarily revolved around issues of speed, low cost and high yield. "The major advantage of the vaccine is the rapidity of the system," said Santi. "In a matter of 10 days, we can go from infecting the plants to harvestin...

Do plants have the potential to vaccinate against HIV?

... same time, they may also have discovered a way of producing better targeted vaccines. Obregon and her colleagu...ly boost HIV-1 p24 protein production in plants by producing an entirely new molecule ?a fusion of the HIV-1 p24 protein and part of another protein, human immun...

High resolution 'snapshots' detail dynamics of a cocaine antibody

... dramatically accelerate the evolutionary process, producing improvements in the immune system in weeks or months that previously took billions of years. "The structural insights into antibody catalysis that we have shown with 7A1 Fab' are critical for any future improvement of effective biocatalysts," Zhu s...

New brain hormone puts brakes on reproduction

...direct inhibitor of GnRH. Because the brain cells producing and secreting GnIH send their axons into many area...eadiness to copulate." Interestingly, the neurons producing GnIH are in an area of the brain, the dorsomedial nucleus of the hypothalamus, that coordinates and ...

Multi-million pound UK Biobank underway

...usly exciting project that holds out real hope for producing vital insights into some of the most distressing diseases of middle and old age. It has already taken several years of careful planning and it now needs two to three thousand people to help us with this initial start-up phase. Because of UK Biobank's...

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