Plague agent helps UT Southwestern researchers find novel signaling system in cells
...zymes. One enzyme adds a group of atoms containing phosphorus called a phosphate group to another enzyme, a process called phosphorylation, which spurs that enzyme to add a phosphate group to yet another enzyme, and so on. These "cascading" events trigger an appropriate immune response. Yersinia, however, has...Tyler Environmental Prize winners announced
...far lower levels than previously thought, and that phosphorus was the major cause of eutrophication, or uncontro...in the policy wars over sulfur oxide emissions and phosphorus use. His experiments were key to the ban of phosphorus in detergents and to the understanding of the...'Dead zone' summer killed billions of ocean state mussels
...age spills into coastal waters, carrying nitrogen, phosphorus and other nutrients. Often fueled by warm temperatures and a lack of circulation, this nutrient rush can cause algae blooms. When the algae dies, it sinks to the bottom, where it is consumed by bacteria along with dissolved oxygen. This is what happ...Nature can help reduce greenhouse gas, but only to a point
...less other essential nutrients, such as potassium, phosphorus and molybdenum, are added as fertilizers. The study, which analyzed all published research to date, challenges recent assessments and model projections from the Intergovernmental Panel on Climate Change that anticipated large increases in soil carbon...DOE JGI releases experimental metagenomics data management & analysis system
...een used for completing the analysis of biological phosphorus removing (EBPR) sewage sludge communities and for studying the metagenomes of several key microbial communities recently sequenced by DOE JGI, including the hydrogen-producing consortium colonizing the termite hindgut. "IMG/M has proven to be an e......ida and the Caribbean, that levels of the nutrient phosphorus can be a key factor controlling growth of reef-bui...rogen, which is typically more readily available, phosphorus is the limiting factor for macroalgae, or seaweed, growth, so high phosphorus levels can fuel the gr...The rising tide of ocean plagues: How humans are changing the dynamics of disease
...onents governments typically monitor nitrogen and phosphorus aren't killing the coral directly," says Kline. ...reveals an escalating feedback loop. Nitrogen and phosphorus pollution in run-off enhances the growth of algae that produce simple sugars as they photosynthesize...A distinguished program training the next generation of conservation scientists
...d issue recommendations of the flow velocities and phosphorus concentrations that should be implemented to restore the landscape. Colleen O'Brien from Hudson, Ohio, and the University of Georgia (Athens, Georgia, U.S.A.) will conduct research in Organ Pipe Cactus National Monument (Ajo, Arizona). Ethnographic r...UCR environmental scientists propose chemical solution to cleaning California's Salton Sea
...two kinds of water-treatment chemicals that remove phosphorus and silt from the river water. The researchers in...f the Journal of Environmental Quality. "Removing phosphorus from the inflow reduces algae growth, improves water clarity and decreases the odors common at the l...Highlights from October ESA journals
...tic conditions." After the German reunification, a phosphorus fertilizer factory was closed after operating for nearly 40 years. Operations from the factory left behind heavy metals, salts and phosphorous in the soil. Plants started to return to the area naturally, so researchers used the site to test Common ...Researcher: Toxic flood lifts lid on common urban pollution problem
...igh levels of toxic metals and nutrients including phosphorus thought to leach from building materials, Sansalone said. Organic chemicals are particularly dangerous to fish and other aquatic life because they reduce the levels of oxygen in the water, impinging on its ability to support life. Particulates cloud ...Type 2 diabetes: Problems in the furnace
...vere reduction in the amount of insulin stimulated phosphorus transport into the muscle cells of the insulin-res...ion in the insulin-resistant study subjects, since phosphorus is a key element in the mitochondrion's complex energy-production process, the oxidative-phosphoryla...Nitrogen in the air feeds the oceans
...imited by nutrients other than nitrogen -typically phosphorus or iron - seeding the ocean with suchnutrients could lead to some reduction in greenhouse gases. In oneventure chronicled in Nature, the musician Neil Young lent hisyacht to a group that fertilized the waters off Hawaii with ironpowder. Capone counse...Field tested: Grasslands won't help buffer climate change as carbon dioxide levels rise
...orus. High levels of CO 2 and nitrogen can reduce phosphorus concentrations or limit its uptake in these plants. Ongoing JRGCE experiments are exploring how this and other factors--such as grazing or shifts in seasonal events--might limit the growth effects of CO 2 . It's thought that ocean and terrestrial...DFG presents the 2005 MAK and BAT value lists
... methylic acetate, N-methyl-2-pyrrolidone (steam), phosphorus pentoxide, phosphoric acid, m-phthalic acid, p-pht...substances (glutardialdehyde, methyl methacrylate, phosphorus oxychloride, phosphorus pentachloride, and phosphorus trichloride) were confirmed after thorough rev...Soil fertility in the tropics can be influenced by landscape and precipitation, study finds
... Second, it uses remote airborne sensors to detect phosphorus concentrations in the forest canopy and independently confirms our predictions." The authors point out that these results may apply to other tropical ecosystems, noting that about 10 percent of all tropical ecosystems "have slopes greater than 10 deg...Study shows eutrophic lakes may not recover for a millennium
...results of a study that showed that the buildup of phosphorus in soils in lake watersheds is likely to be the so...g authorities on freshwater lakes. "The buildup of phosphorus in watersheds is very threatening. Sooner or later it is going to hit the lakes and it is going to p...A hope for oil spill bioremediation
... shore, although the process required nitrogen and phosphorus amendment, these two elements being limited in marine ecosystems. The results confirmed the presence of a microbiota readily able to degrade the contaminant. Further analysis of specific organisms present in contaminated beaches revealed the presenc...Human kidney protein found that regulates heart contraction and blood pressure
...nce of certain chemicals in the blood like sodium, phosphorus and potassium, they also have another function. They secrete hormones, like rennin and erythropoietin, into the bloodstream to regulate blood pressure and red blood cell production. Xu, along with Gary V. Desir, M.D. , professor in the Department o...Introduced foxes transformed vegetation on Aleutian Islands from lush grasslands to tundra
...ifference in nutrient inputs was reflected in soil phosphorus levels that were more than three times higher on fox-free islands. The vegetation on the islands also showed significant differences in nutrient content. Evidence that more ocean-derived nutrients were cycling through the ecosystems of fox-free isla...