Tag: "supply" at biology news
Diatom genome reveals key role in biosphere's carbon cycle
...is crucial for diatom growth and is often in short supply
in seawater, depending on ocean conditions. The genome work revealed that the diatom Thalassiosira pseudonana has the genes to produce urea-cycle enzymes that may help to reduce its dependence on nitrogen from the surrounding waters. The genome work...
How roots control plant shoots
...s grow is a crucial matter given that leafy plants supply
food for humans and other creatures, produce oxygen for all animals to breathe, influence global climate and grace us with the current season of brilliant fall colors. "When we look at plants, it's easy to think only about the above-ground parts yo...
Below the surface: New clues to plant signaling from the roots
...s known that plant roots, whose primary role is to supply
water and nutrients to the above-ground portions of the plant, may also provide growth signals that regulate shoot growth, but researchers are only beginning to understand the ways in which roots are able to effect this developmental control from afa...
Good news: As you age, leg blood vessels adapt so you can still exercise without fainting
...room 602, or 512.682.2950 direct. Leg blood supply
in old age important to maintain lifestyle Results of the Proctor-Leuenberger-Koch study suggest that the mechanisms controlling blood vessel "tone" in exercising muscles may be altered by age in humans. "The augmented constrictor ...
Viruses found in untreated city water
... the La Crosse, Wisconsin municipal drinking water supply
prior to its chlorination, according to a study published today in the scientific journal Applied and Environmental Microbiology. Although the city's treated water meets or exceeds state and federal standards for drinking water, researchers and publi...
Emory chemists develop bacteria that may help decaffeinate coffee
... with caffeine." Gallivan says that the idea is to supply
these bacteria with caffeine, and give each bacterium a piece of DNA from coffee plants that may encode the enzyme that will allow the bacterium to convert the caffeine to the theophylline it needs to survive. "At the end of the day, we will know t...
Scientists fear threat of second wave of 'mad cow' prion infection
...nvening for symposium at AABB on TSE and the blood supply
will be available for interviews. WHO: David M. Asher, MD. Supervisory Medical Officer, Division of Emerging and Transfusion-Transmitted Diseases, Office of Blood Research and Review, US Food and Drug Administration: Current status of TSE...
Neurosurgeons looking at stem cells from skin to fight brain tumors
...reated with stem cells showed both increased blood supply
and decreased tumor growth into the surrounding brain. These mice also lived on average 50 percent longer than mice that weren't given this therapy. The annual meeting provides continuing medical education for practicing neurosurgeons, neurosurgic...
Sandbagging cancer in the bloodstream
...sed. This is easily seen when looking at the blood supply
to tumors under the microscope, says Cheresh. "Anywhere there is VEGF, there is a vascular permeability," he says. "Tumors have blood vessels that are very leaky." Once in the circulation, tumor cells can travel to distant parts of the body. Often tu...
Munching microbes could cleanse arsenic-contaminated groundwater
...us depths in the Mahomet aquifer, a regional water supply
for Central Illinois. "The Mahomet aquifer was pr...ater becomes contaminated," Kirk said. "Where the supply
of sulfate is high relative to organic matter, sulfate remains available and sulfate-reducing bacter...
Warning from new SLU research: Usual test for vitamin deficiency can mislead doctors
... who purchase nitrous oxide containers from baking supply
stores or use the gas contained in whipped cream dispensers (hence the name), says Kinsella. Thomas and colleagues earlier this year published the case of a young man who abused nitrous oxide and devastating neurological damage to the ...
Is the zebra fish leading us to new therapies?
...ell-functioning body. Disorders in which the blood supply
is impaired are quite serious: deficient blood supply
to the heart, for example, leads to heart attack. Medical science hopes to be able to treat such dis...
Human embryonic stem cells promising for replacement of blood supply
...ed in blood transfusions, or a source of new blood supply
free of any viruses. They might also be a source for bone marrow transplants, especially for those patients who do not otherwise have an appropriately matched donor." This process is also significant because the blood cells were developed without the...
Bristol scientists find key to unlock body's own cancer defence
... cancer depends on its ability to maintain a blood supply
that will deliver nutrients. For a cancer to grow ...ize of a pinhead to that of a golf-ball, the blood supply
of the tumour has to grow with the expansion of the tumour itself. Most forms of VEGF help this blo...
Research confirms that vCJD prions can be removed from blood
...deferral measures has on availability of the blood supply
creates a serious public health issue" says Eric Krasnoff, Chairman and CEO, Pall Corporation. "We are moving forward as quickly as possible so that this new technology can be made available worldwide. This is part of our ongoing commitment to blood...
ORNL project earns top honor from Southeast tech transfer group
...ization. They are the AquaSentinel real-time water supply
protection monitor and the photo-molecular comb bi... such systems will help ensure the safety of water supply
systems across the United States. The research was sponsored by DOE's Basic Energy Sciences...
Stretching the supply of flu vaccine: Solution offered in new SLU research in New England Journal
...s a possible way to more than double the available supply
of influenza vaccine for adults between the ages o...eople may need more vaccine." The nation's vaccine supply
for younger healthy persons conceivably could be stretched 2.5 times using the scheme published in t...
Declining fish supply linked to wildlife consumption in West Africa, Science study reports
...s of a 30-year study suggest that declines in fish supply
in Ghana can lead to regional increases in the hun...lt consequences for regional economies, human food supply
and efforts to conserve nature on land, a new study suggests. These findings appear in the 12 Novemb...
Reduced fish stocks linked to increased bushmeat trade, wildlife declines in W. Africa
... researchers have found a direct link between fish supply
and the demand for bushmeat in Ghanaian villages. ...ers found that in 14 local food markets, when fish supply
was limited or its price increased, residents substituted bushmeat as an alternate source of afforda...
New study links low fish supply to increased bushmeat hunting
Berkeley -- The declining fish supply
in the West African nation of Ghana, which once ha...ovides the strongest link yet between a local fish supply
with immediate, dramatic effects on bushmeat hunting and terrestrial wildlife," said lead author Jus...
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