Tag: "microbes" at biology news

Newly Discovered Bacteria Produce Magnetic Material

... "In 1994," Phelps says, "we determined that these microbes from theTaylorsville Triassic Rift Basin near Fred...ionth of a meter. "We also found evidence that the microbes can remediate groundwatercontaining chlorocarbon compounds, such as trichloroethylene andtetrachloro...

Researchers Find How Disease-resistant Plants Recognize Bacteria

...stance breaks down. By learning how the plants and microbes recognize one another, we hope to create crop plants that have broader, more stable resistance." According to Martin, the findings will have wide application. "It turns out that plants resist diverse pathogens -- including bacteria, fungi and viruses...

Ten Years of Progress For Superfund Basic Research Program

...to thegenus Mycobacterium. This group includes the microbes which causeleprosy and tuberculosis, but the strai...of work isneeded to find the best way to use these microbes in the fieldwhere they will have to compete with other naturally occurringorganisms. Environmental e...

Munching Microbes Make A Meal Out Of Toxic Substances

...s. "We've known for decades that the soil contains microbes with the ability to degrade chemicals such as petr...perience." One of Nies' projects involves studying microbes that eat pentachlorophenol, a chemical used as a wood preservative. "We're investigating a contamina...

Chesapeake Bay Sediment : Home To Pfiesteria-Like Microbes

...sent can be made. The presence of Pfiesteria-like microbes and their effect on aquatic life is a complicated issue requiring knowledge of fishimmunology, chemical reactions involving nutrients, stream dynamics, sediment loads, the life cycles of Pfiesteria-like microbes,water temperatures, and other factors....

Photocatalytic Air Cleaning System Promises To Help Allergy Sufferers

...he result is oxidation, which attacks and destroys microbes by disintegrating their DNA. The reaction also kills dust mites and mold. Goswami said that the photocatalytic process is superior to conventional techniques using filters, which must be changed and disposed of. "With this system, co...

Limits Of Life On Earth: Are They The Key To Life On Other Planets?

...lve finding techniques for isolating and culturing microbes found in extreme environments, developing methods of studying these microbes in their natural habitats and devising technologies for recovering non-contaminated samples. HIG...

Max-Planck Researchers Unravel The Structure Of The Methane Forming Enzyme

...ly carried out by a group of strictly anaerobic microbes called methanogens which use the formation of methane for the purpose of cellular energy generation. Within the microbial ecosystem methanogens participate in the final step of anoxic decomposition of complex organic materials thereby pro...

Food Bacteria-Spice Survey Shows Why Some Cultures Like It Hot

...rld where -- before refrigeration -- food-spoilage microbes were an even more serious threatto human health an...evolutionary race between usand our parasites. The microbes are competing with us for the same food,"Sherman says. "Everything we do with food -- drying, cooki...

Study Of Microbes May Hone Predictions Of Mining Impact

...-level ecological study of the naturally occurring microbes that mediate some of the most severe pollution eve...wing precisely where and under what conditions the microbes thrive in nature can be a powerful new tool to predict the effects of sulfide mining at a given site...

Environmental Technology Breakthroughs Forecast -- Year 2008

...c Northwest includes developing aprocess that uses microbes to break down sulfur in waste tire rubber, makingtires recyclable; working with other national laboratories and automakers todevelop a cleaner, more efficient automobile; designing a 190-liter-per-second(3,000 gallon-per-minute) jet mixing pump to st...

Poison-Eating Bugs Strike Gold

...th-based mining biotechnology firm, of indigenous microbes capable of devouring toxic effluent from gold ext...rals have identified several new species of native microbes able to break down the thiocyanate formed from the cyanide used to extract gold. The project is ...

Do Termites Use

...culates. Another possibleorigin, he says, is that microbes are making the naphthalene by acting onmaterial in the termite nest, the gut, or on the food. A nonprofit organization with a membership of more than 155,000 chemists andchemical engineers, the American Chemical Society publishes scientific journals,...

Study At UNC-CH Shows Chlorinated Water Dramatically Cuts Strawberry Contamination

...le but efficient method of recovering anyremaining microbes to determine how effective washing had been. They found theirmethod "highly successful" in eliminating most viruses and bacteria. "Our work is important because it demonstrates for the first time thathepatitis A virus can be inactivated on st...

Can Contaminated Aquifers Restore Themselves?

...e carriedoxygen below the infiltration beds, where microbes used it to convertammonium to nitrate in a process called nitrification. Biological activityin the aquifer now is high enough to consume most of the oxygen flowing inwith the native ground water and little oxygen is available fornitrification. As a...

Georgia Scientists Study Salt Marsh To Understand Global Warming

...singlyhigh rate of carbon and nutrient turnover by microbes in one ofGeorgia's coastal salt marshes, a highly productive ecosystem. The team of researchers, all associated with the Georgia Institute ofTechnology, is conducting a long-term study at Sapelo Island, Ga., toexamine the marsh's biogeochemical proce...

EPA And UC Researchers Find Bacteria That Can Destroy Giardia Cysts

...ms and rivers around Greater Cincinnatilooking for microbes which might be able to feed on the Giardia cysts. "It's always been known that the viabilityof cysts decreases over time in a natural environment. We wereinterested in knowing what kind of biological factors contribute." Rodgers' hunch paid off, and...

Third Annual Awards For Presidential Green Chemistry Challenge Recognize Innovations

...e University, East Lansing):genetically engineered microbes that can manufacture starting materials fornylon and other products from nontoxic, readily available glucose. Barry M. Trost (Stanford University, Stanford, Calif.): the concept of "atomeconomy," demonstrated by efficient catalytic reactions with wh...

Banking On Safer Drinking Water

...er it is." The work is important because dangerous microbes and cancer-causing chemicals sometimes slip past traditional watertreatment. "We're worried about resistant pathogens created bythe overuse of antibiotics," says Bouwer, a professor in Hopkins'Department of Geography and Environmental Engineering. "S...

Purdue Golf Course Serves Double Duty As Research Lab

...are caught in the thatch layer of the turf, where microbes digest them and break them down. Other chemicals in the water in the soil are taken up by the roots of the plants. When these plants die, the plant material, along with the chemicals, is broken down by the microbes. The Purdue Kampen course b...

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