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Tag: "producing" at biology news

Tropical forests -- Earth's air conditioner

...count for whether they help to reflect sunlight by producing clouds, or help to absorb it by shading snowy tund...des evaporate less water and are less effective at producing clouds. As a result, the main climate effect of these forests is to increase the absorption of sunli...

Nanotextured implant materials: blending in, not fighting back

...le, solid layer, they stop piling on and switch to producing the proteins collagen and elastin. In one experiment, published with Purdue University graduate student Saba Choudhary in the journal Tissue Engineering , Webster and Haberstroh pressed together titanium particles that were less than 1 micron in ...

New player in commitment to life as a fat cell

...orms, the researchers said. Known for its role in producing the metabolic byproduct uric acid, XOR had earlier been implicated in gout, said Jeffrey Friedman of The Rockefeller University, senior author of the study. Gout is a painful type of arthritis that results when uric acid crystals build up in the join...

'Guardian of the genome' protein found to underlie skin tanning

...posure. The spots arise when groups of cells begin producing pigment in response to repeated stress or irritation of the skin. Although not dangerous, the condition can be a cosmetic problem, depending on its location. "Our research offers a potential explanation of how this condition ?known as post-inflamm...

How appetite-stimulating brain cells work overtime during fasting

...chers found that support cells in the hypothalamus producing an enzyme that catalyzes active thyroid hormone production are side by side with appetite-stimulating neurons that express UCP2. In mice that were fasted for 24 hours, the arcuate nucleus showed an increase in the "DII" enzyme's activity and local th...

ConocoPhillips establishes $22.5M biofuels research program at Iowa State

...rtner to research and develop new technologies for producing biofuels," said Iowa Gov. Chet Culver. "These kind...of increasing the nation's energy security will be producing fuels from plants. Iowa State scientists and engineers are well positioned to put science to work ad...

Shedding new light on proteorhodopsin

...gy from several different sources may be better at producing biofuels than microbes that can only utilize a single energy source. The results of this study appear in a paper published by the Proceedings of the National Academy of Sciences (PNAS), entitled: Light-powering Escherichia coli with proteorhodops...

Wheat can fatally starve insect predators

...e think that some of this has to do with the plant producing enough lectin that it just becomes so unpalatable ... that don't cost the plant much to produce, unlike producing poisons and stronger walls. Those inducible defenses use a lot of a plant's energy that could be use...

The price of vanity: Mating with showy males may reduce offspring's ability to fight off pathogens

...haps because of the requisite energetic burdens of producing massive amounts of roe, and elevated testosterone increases body size. Thus, as Mank writes: "The benefits of increased body size to roe production and mate selection may, at least in some cases, counter the immunosuppressive effects of elevated te...

Homing pigeons get their bearings from their beaks

...r and her colleagues, "Even though birds have been producing these particles for millions of years, the main problem for scientists who want to find benefits from their use will be the technical production of these particles"....

New biofuels process promises to meet all US transportation needs

...roposed a new environmentally friendly process for producing liquid fuels from plant matter - or biomass - pote...The new approach modifies conventional methods for producing liquid fuels from biomass by adding hydrogen from a "carbon-free" energy source, such as solar or nu...

Bioluminescence at the service of a novel cerebral imaging technique

...rosophila brain. These maps are a prerequisite to producing a mass of data on the global activity of the entire brain which will then serve as a reference to compare cerebral activity in different contexts: for example, differences between males and females (demonstration of sexual dimorphism) or as a functio...

Researchers from the UGR use a bacterium to obtain biopreservatives from food

...the same species or species closely related to the producing bacterium. Some noteworthy bacteriocins those produced by lactic-acid bacteria (LAB), as they have been used to prepare fermented food, improve quality, and extend the average duration of many foods for centuries. The work presented in the doctora...

Producing medicines in plant seeds

...nology (VIB) at Ghent University have succeeded in producing in plant seeds proteins that have a very strong re... treatment of cancer. The conventional methods for producing antibodies work well, but they are expensive and have a limited production capacity. The high costs ...

Custom-made cancer cell attacks

...nd. According to the National Environmental Trust, producing 35 billion gallons of ethanol annually would requi...t of land, Somerville said. The ideal plant for producing cellulosic ethanol, he added, is Miscanthus, a perennial grass native to subtropical and tropical re...

Cellulosic ethanol: Fuel of the future?

...nd. According to the National Environmental Trust, producing 35 billion gallons of ethanol annually would requi...t of land, Somerville said. The ideal plant for producing cellulosic ethanol, he added, is Miscanthus, a perennial grass native to subtropical and tropical re...

Penn researchers replace organ in adult mice using 'single-parent' stem cells

...s were able to reproduce much of their findings by producing blood stem cells from embryonic stem cells entirely in the culture dish before transplanting them. The Penn researchers believe that using uniparental embryonic stem cells as a tissue source could provide a major advance in the alleviation of huma...

Cancer researchers add spice to research against rare neuromuscular disease

...BP moves throughout the cell as it normally would, producing more VEGF. Ultimately, the work brought about healthier mice whose symptoms were much improved. Chang's team also found that the amount of abnormal clumps in the neurons and spinal cords of the mice was slashed by half, and that VEGF activity in t...

No sex for 40 million years? No problem

... lichens. These tiny asexual creatures multiply by producing eggs that are genetic clones of the mother ?there are no males. Fossil records and molecular data show that bdelloid rotifers have been around for over 40 million years without sexually reproducing, and yet this new study has shown that they have evo...

Parasite infection may benefit MS patients

...y proteins known as cytokines, the number of cells producing cytokine suppressants was measured and found to be significantly higher in infected patients. The authors suggest that their findings provide evidence to support that an autoimmune response as a result of parasite infection can result in a decreas...

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