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Tag: "sources" at biology news

Key to elephant conservation is 'in the sauce'

...ts, buffalo, and other species away from important sources of human food, but has also introduced a viable cash crop to the economy of African nations. "Chilli peppers are unpalatable to crop-raiding mammals, so they give farmers an economically feasible means of minimizing damage to their investments," sai...

Fat's fate depends on its source

... sensors in the body distinguish between different sources of fat, the researchers said. ### The researchers include Manu V. Chakravarthy, Zhijun Pan, Yimin Zhu, Karen Tordjman, Jochen G. Schneider, Trey Coleman, John Turk, and Clay F. Semenkovich of Washington University School of Medicine in St. Louis. T...

Recombinant DNA technology may enable oral, rather than injectable, delivery of protein drugs

...mune response like products created from non-human sources often do." On behalf of Shen and his collaborators, USC holds the patent to the new recombinant fusion protein technology. The research was supported by grants from the National Institutes of Health. ...

Stem cell therapy successfully treats heart attack in animals

...human's immune system might attack stem cells from sources other than itself. Bone marrow adult stem cells do not have the same potential to develop into different organ tissues, as do embryonic stem cells, whose use is more controversial. ...

Biologists determine genetic blueprint of social amoeba

...sed by Dictyostelium to guide the organism to food sources are also used to guide human white blood cells to the sites of infections and play a role in the spread of cancer. (see: http://ucsdnews.ucsd.edu/newsrel/science/mcchemo.htm ) Dictyostelium usually exists as a single cell organism that inhabits fore...

Wild grasses and man-made wheats advance research capabilities

...possible solutions. "We're looking for new unique sources of resistance to various biotic and abiotic stresses," Rudd said. "I'm being forced to find broader gene pools to bring in the genetic variability I believe is necessary for the gene pool here." Karnal bunt, new races of Hessian fly, new leaf rust, ...

Millennium Ecosystem Assessment: Many of 2 billion dryland dwellers at risk as land degrades

...ltivated lands, much of it dependent on water from sources typically located outside drylands. The low average water availability in drylands today (1,300 cubic metres per capita per year, already below the threshold of 2,000 considered a minimum for meeting human needs), is expected to fall further due to ...

Woods Hole Research Center plans controlled burn in Amazon rainforest

...until education can alter their behavior, repeated sources of ignition in the future are all but guaranteed. The expectation is that the second fire will be hotter and more damaging than the first due to the increased volume of fuel available from those trees that perished in the first fire, and the fact tha...

Logging changed ecological balance for monkeys, damaged health

...han 50 percent of the trees, many of them the food sources for the mostly fruit-eating guenons, had been removed. "We saw dramatic changes in the prevalence of infection and in the frequency of multiple infections in these logged areas," said lead researcher Thomas R. Gillespie, a postdoctoral fellow in vet...

Affymetrix and ParAllele Launch Industry's Most Comprehensive Product Line for Targeted Genotyping

...han 50 percent of the trees, many of them the food sources for the mostly fruit-eating guenons, had been removed. "We saw dramatic changes in the prevalence of infection and in the frequency of multiple infections in these logged areas," said lead researcher Thomas R. Gillespie, a postdoctoral fellow in vet...

President Bush's cut to AIDS prevention in Africa would be devastating

...han 50 percent of the trees, many of them the food sources for the mostly fruit-eating guenons, had been removed. "We saw dramatic changes in the prevalence of infection and in the frequency of multiple infections in these logged areas," said lead researcher Thomas R. Gillespie, a postdoctoral fellow in vet...

Secrets of the deep may hold key to life on other planets

... dependent on geochemical rather than solar energy sources and this buffers them from almost all major events, such as mass extinctions or climate change. "Their evolutionary history is likely to be radically different to other, photosynthesis-based communities ?they may even mirror life forms on other pla...

Crisis in African fish supplies looms, experts warn Africa leaders

...e situation also threatens one of Africa's leading sources of export revenue, with an annual value of US$ 2.7 billion. Dr. Dugan notes that aquaculture, which has grown explosively in other regions, now provides 38% of fish production worldwide but less than 2% in sub-Saharan Africa. The WorldFish Center w...

Leptin-signaling Protein Maintains Normal Body Weight And Energy Balance In Mice

...e situation also threatens one of Africa's leading sources of export revenue, with an annual value of US$ 2.7 billion. Dr. Dugan notes that aquaculture, which has grown explosively in other regions, now provides 38% of fish production worldwide but less than 2% in sub-Saharan Africa. The WorldFish Center w...

Seaweed could make junk food healthier

... incidence of diseases such as bowel cancer. Good sources of fibre are fruit and vegetables, brown bread and cereals like bran flakes. One of the research team, Professor Jeff Pearson, of Newcastle University's Institute for Cell and Molecular Biosciences, said: "We're just not eating enough fibre, yet we...

'Sinkers' provide missing piece in deep-sea puzzle

...ave suggested a number of possible additional food sources for deep-sea organisms that might make up for the ...issing food. Robison believes that, although these sources may be important in some areas, they are not persistent enough or substantial enough to account for ...

Industrial contaminants spread by seabirds in High Arctic, new Canadian study shows

... High Arctic, far from industrial and agricultural sources of pollutants. However, chemicals are emitted into the air and oceans from the populated parts of the globe, and are transported by air and ocean currents toward cold areas like the Arctic. "Some chemicals will build up in the food webs that compris...

Women cautioned against using herbal supplements

...d choose only high-quality products from reputable sources and to be sure to inform their health-care providers about their herbal medication use, because many herbal supplements can interact with other treatments. The mission of the Cornell Program on Breast Cancer and Environmental Risk Factors is to lowe...

Menopause Symptoms May Come Back After Stopping Menopausal Hormone Therapy

...d choose only high-quality products from reputable sources and to be sure to inform their health-care providers about their herbal medication use, because many herbal supplements can interact with other treatments. The mission of the Cornell Program on Breast Cancer and Environmental Risk Factors is to lowe...

Digging in the dirt for life's biochemical foundations

...ship] with the fungi in soil, where other nitrogen sources may be more easily available," Fitter says. "Moving to the field is always difficult but rewarding." Related sites Shachar-Hill faculty Web page: http://www.plantbiology.msu.edu/shachar-hill.shtml ...

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