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Tag: "impact" at biology news

Malaria may fuel spread of HIV in sub-Saharan Africa

... first time were able to assess quantitatively the impact of malaria on HIV and vice versa, as well as provide the first assessment of the role of "blips" in HIV viral load seen during HIV co-infection with some other diseases. They estimate that tens of thousands of HIV infections and millions of malaria c...

Engineered yeast speeds ethanol production

...ance traits in industrial yeast could dramatically impact industrial ethanol production, a multi-step process in which yeast plays a crucial role. First, cornstarch or another polymer of glucose is broken down into single sugar (glucose) molecules by enzymes, then yeast ferments the glucose into ethanol and...

Virus may control Australia's

...a and will examine whether the virus will have any impact on certain native fauna. "All testing will be done within the secure biocontainment facilities at CSIRO AAHL," Dr Crane says. Dr Crane says while carp are a valuable resource in Asian countries, in Australia the fish is generally viewed as a major ...

Ebola-outbreak kills 5000 gorillas

... provides new hope for controlling the devastating impact of Ebola on wild gorilla and chimpanzee population...arly troubling has been the concentration of Ebola impact on large, remote protected areas that were designed to be the bulwarks of ape conservation efforts. ...

Stroke symptoms common among general population

...ed or unrecognized events could have a substantial impact on cognitive functioning or personality and could also be powerful harbingers of subsequent major strokes." It is not known whether these individuals visited a physician for their symptoms, but previous studies have shown that many people do not s...

Study illuminates how the plague bacteria causes disease

...effect on host cells in culture, and a significant impact on virulence." The results also add to broader themes in the evolution of bacterial diseases, the researchers added. "It is becoming increasingly clear that a common strategy used by bacterial pathogens to manipulate host cell biology is the mimic...

MIT material stops bleeding in seconds

...in seconds, a development that could significantly impact medicine. When the liquid, composed of protein fragments called peptides, is applied to open wounds, the peptides self-assemble into a nanoscale protective barrier gel that seals the wound and halts bleeding. Once the injury heals, the nontoxic gel ...

From hot springs to rice farms, scientists reveal new insights into the secret lives of archaea

...s on surprising new findings about the significant impact of archaea on global climate and nutrition. In recent years, scientists have discovered that methanogenic archaea play an important role in the build-up of methane gas in the atmosphere. According to the Environmental Protection Agency, methane is ab...

End of deforestation in view? Experts advance new way to size up global forest resources

...hort of this income level) show the importance and impact of government policies. In China, reforestation...ns and the trade to make them effective reduce the impact of industrial pressures on the expanse of natural forests, which may be rich in soil carbon and biod...

First Biodiversity Census of coral reef ecosystems in the NW Hawaiian Islands

...WHI chain. There will never be any way to measure impact on the environment without first knowing what is there" said Dr. Joel Martin, Chief of the Division of Invertebrate Studies and Curator of Crustacea, Natural History Museum of Los Angeles County. Coral reefs are highly threatened repositories of...

Using nature's most primitive anti-viral defense system to find new approaches to cancer research

...genetic system in which to identify genes that may impact on the spread of human cancer cells. He explains: "Long ago a cellular defence system evolved in our single-celled ancestors to protect them from viruses. This system, called RNAi, is still present today in humans, plants and animals. Recently, we ...

From managing sugar to managing healing

...artins-Green and colleagues explored the molecular impact of topical insulin on keratinocytes, the cells that regenerate the epidermis after wounding, and on microvascular endothelial cells, the cells that restore blood flow. Using various cell and molecular techniques, the researchers discovered that in...

Rising ocean temperatures, pollution have oysters in hot water

...xpanse of oyster reefs 100-200 years ago and their impact on the ecosystem," Sokolova said. For example, a century ago, the oyster population could completely filter the water in the Chesapeake Bay in three days. Today, with the oyster population continuing to decline from poor water quality and disease, it...

Distinguishing friend from foe in the battle against cancer

...erapeutics. These findings will have a significant impact on human health." ...

Novel mechanism of action of new drug for MS identified

... clinical development of FTY720 might have a major impact on treatment of MS, said Spiegel. "By clearly understanding the mechanism of action of drugs such as FTY720, we can develop more optimal treatments for inflammatory disease such as asthma or MS. This drug may prevent both inflammation and axonal da...

Replacing insulin is top-ranked breakthrough foreseen for health in developing world

...t over existing treatment options and have a clear impact towards improving health in developing countries? Feasibility: Can the application reasonably be developed and deployed within a 10 year timeframe? Affordability: Will the application be affordable to develop and/or use in developing countries? ...

Shrinking ponds signal warmer, dryer Alaska

...the water table that could have a potentially huge impact on waterfowl production," said Dave Verbyla, co-author and professor in the School of Natural Resources and Agricultural Sciences at UAF. "This is an issue relevant to flyway management in terms of all the waterfowl that might use the Yukon Flats ...

When the label says 'low fat,' calories can pile up, study says

...st is that these labels have an even more dramatic impact on those who are overweight. They are at danger for really overindulging when they see something with a low-fat label. If we are looking for an excuse to eat, low-fat labels give it to us." He recommends that low-fat-labeled foods post larger, more...

Faster, more accurate tuberculosis test developed

...pid test that the authors expect will have a major impact in developing countries where resources are limited. ...

Protein 'fingerprint' in spinal fluid could spot Alzheimer's disease

...Lee's laboratory, said this has great potential to impact human health. "Typically, Alzheimer's disease is n...screen suggests that IVIg may be having a positive impact on underlying disease processes." And while a standard test for spotting early Alzheimer's disease...

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