Tag: "source" at biology news

Protein delivers selenium for normal sperm development

...nd colleagues, strongly indicate that SEPP1 is the source of the selenium needed for development of normal sperm and for male mice to maintain their fertility....

New pediatrics study shatters milk myth-news Conf. 3/07, noon EST, Natl. Press Club

...nce to support the notion that milk is a preferred source of calcium," the authors conclude. Dr. Lanou is nutrition director for the non-profit Physicians Committee for Responsible Medicine (PCRM), and her co-authors are Susan E. Berkow, Ph.D., C.N.S., and Neal D. Barnard, M.D. For a copy of the new paper p...

Could microbes solve Russia's chemical weapons conundrum?

...crease was 83 percent. In the absence of a carbon source other than PHT, the PHT levels remained constant. When no bacteria were present, the PHT concentrations also remained constant. The authors conclude that the 1,4-perhydrothiazines undergo transformation by the microbial cells when a growth substrate ...

Scientists discover that three overlapping signals in embryo help get the backbone right

...hat they called the "organizer" - seemed to be the source of signals to nearby cells, telling them to form b...lly as the dominant signaling center actually is a source of a cocktail of inhibitors," he said, "so inhibition is just as specific a signal in the embryo as ...

Oceans more vulnerable to agricultural runoff than previously thought, study finds

...e gulf by generating tons of phytoplankton-a major source of food for larger organisms. But some phytoplankt...wrote. "Nitrogen-based fertilizers are the primary source of nitrogen pollution, and their use is predicted to double or triple over the next 50 years."...

Blocking neurodegeneration by radiation and bone marrow transfer prevents inherited glaucoma in mice

... and disorders. The Laboratory is also the world's source for nearly 3,000 strains of genetically defined mice, home of the Mouse Genome Database and many other publicly available information resources, and an international hub for scientific courses, conferences, training and education....

Light therapy may combat fungal infections, new evidence suggests

...play important beneficial roles, for example, as a source of food and pharmaceuticals. "Therefore, an understanding of the role of environmental signals such as light in fungal development is vital to increase the benefits and decrease the costs that fungi present." The researchers first tested the importan...

Leptin: A 'missing link' between obesity and diabetes?

... from the liver, since that's the only other major source in the body. That brain-liver leptin signal pathway, for which the U-M/Harvard team is already searching, is involved in glucose homeostasis, or the regulation of blood sugar by feedback loops, says Myers. If there's a lot of sugar in the blood, ho...

Vampire bats keep out of trouble by running

...Unlike most animals which use their hind legs as a source of power, these exceptional creatures power their run with their forelimbs," Hermanson explains. Getting most of the push from their long forelimbs -- actually their wings and therefore very strong -- the bats run more like a small gorilla than a com...

Drug-resistant bacteria on poultry products differ by brand

... indicated that fresh poultry products are a major source of Campylobacter infections in humans. Exposure can occur from undercooked products or through cross-contamination during food preparation, when raw poultry is handled in the kitchen. The danger of infection is heightened when this pathogen is resist...

Mitsubishi offsets carbon footprint through investment in Madagascar's rain forest

...al emissions of greenhouse gases, so reducing this source of emissions while protecting biodiversity provides a unique opportunity for governments and policy makers. Wide-scale deforestation is fueling climate change and biodiversity loss, and climate change is expected to accelerate biodiversity loss and ...

Scientists identify new model Of NK cell development

...cells. Although all lymphocytes stem from a common source progenitor cells in the bone marrow they take different paths in developing into full-fighters in the immune system. For example, cells destined to become T cells, sophisticated and highly focused killer cells, are released into the bloodstream and...

NASA study finds soot may be changing the Arctic environment

...te the origins of Arctic soot by isolating various source regions and types. The GCM employs a lot of different data gathered by NASA and other U.S. satellites to study many environmental factors such as ice cover and temperature. The research found in the atmosphere over the Arctic, about one-third of the...

Harvard, Texas A&M scientists develop new laser

... device." The team's ability to combine the power source and the Raman material together, literally creatin...ction and that you do not need a very high-powered source to get the desired effect." As a result, the apparatus needed to generate the laser can be made much...

Novel ultrafast laser detection of cancer cells also may improve understanding of stem cells

...ing cancer cells derive energy from an alternative source such as free glucose in the cell." Fortunately, the mitochondrion is nearly the same size as the light wavelength of about 800 nanometers, a frequency otherwise little absorbed by the body. Because of this close match, the laser is exquisitely sensi...

Highly adaptable genome in gut bacterium key to intestinal health

...ells," Gordon says. "Mucus represents a consistent source of backup food in the intestinal environment. B. t...ome Sciences. "Instead of dying off when its usual source of food is gone, B. theta has evolved an elaborate mechanism for sensing changes in its nutrient lan...

Wine, music and schizophrenia genes

...RSAD), the world's largest nongovernmental funding source for mental health research, established the $250,000 award to be made each year to a "rising star" scientist. It will be supported by funds raised by the Music Festival for Mental Health, an annual event at the Staglin Family Vineyard in the Napa Val...

Researchers reveal the infectious impact of salmon farms on wild salmon

...ting wild salmon, the farm is a concentrated point source of infectious lice larvae. "We found lice levels exceeded what we would find normally, extending for 30 km even though the farm is only about 0.2 km long," says John Volpe, the third coauthor from the University of Victoria. "Conservatively this mea...

Follow the energy

...a clean, efficient, sustainable and carbon-neutral source of energy for our technology. "Nature has designed one of the most exquisitely effective systems for harvesting light, with the steps happening too fast for energy to be wasted as heat," Fleming said. "Current solar power systems, however, aren't ...

Forsyth scientists find blue light fights gum disease culprits

...is red or green. The team employed a halogen lamp source commonly used for tooth whitening to shine broadband light comprised mainly of blue and a small percentage of green light (wavelengths ranged from 380 to 520 nanometers) on pure cultures of BPB and on dental plaque samples obtained from individuals w...

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(Date:10/15/2014)... of Life, is a non-traditional biophysics textbook and it ... is a journey of discovery into biological systems and ... biological regulation. It is about how our genes make ... the billions of cells in an organism. It quantifies ... principles, which can be found on both large and ...
(Date:10/15/2014)... Oct. 15, 2014 NXT-ID, Inc. (NASDAQ: NXTD ... focused on the growing mobile commerce market releases photos and video ... Square on Monday October 13 th . ... Tunnel and angel investor Mr. Chad A. Verdi ... of NXT-ID thanked his investors and employees "for their work and ...
(Date:10/14/2014)... Cancer Research shows SIRT6—a protein known to ... the development of skin cancers by turning on an ... skin cells. , Previously considered protective, SIRT6 is part ... help regulate genomic stability and prevent some of the ... damage, which can lead to cancer. This study, in ...
Breaking Biology News(10 mins):New book about life as seen from physics 2Photo Release: NXT-ID Inc. Rings Opening Bell of the NASDAQ Stock Market October 13th 2Photo Release: NXT-ID Inc. Rings Opening Bell of the NASDAQ Stock Market October 13th 3Two-faced gene: SIRT6 prevents some cancers but promotes sun-induced skin cancer 2
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