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Tag: "pose" at biology news

Clam embryo study shows pollutant mixture adversely affects nerve cell development

...ell development, the combination of allthree might pose increased risks," she says.So Reinisch decided to test the chemical cocktail, in similarproportions to those found in Brick, on a species of surf clam readilyavailable in the waters off of her Cape Cod lab. The species is famousamong scientists as a ...

Study identifies predictors of HIV drug resistance in patients beginning triple therapy

...ell development, the combination of allthree might pose increased risks," she says.So Reinisch decided to test the chemical cocktail, in similarproportions to those found in Brick, on a species of surf clam readilyavailable in the waters off of her Cape Cod lab. The species is famousamong scientists as a ...

Spider Venom Could Yield Eco-Friendly Insecticides

...that currently end up in the food and water supply pose a serious threat to animals, fish, and birds," says King, a research scientist at the University of Connecticut Health Center. Using nuclear magnetic resonance (NMR) spectroscopy, King and his colleagues have determined the three-dimensional structu...

UCSD discovery may help extend life of natural pesticide

...nfect nearly one-third of the human population and pose a significant health problem in developing countries," said Aroian. "Perhaps one-day vertebrate-safe Bt toxins could be used as human therapies against these parasites." Griffitts and Aroian credit the flexibility of the roundworm C. elegans as an e...

The Bacteria's guide to survival

...ria that pass directly from host to host, this can pose a problem. If the bacteria are highly virulent and induce too much cell death, they could take down their host before they're able to jump ship, thus hurting the bacteria's chances of survival in the long run. Reporting in the open-access journal PL...

South America's vast pantanal wetland may become next everglades, UNU experts warn

...omic development and consequent population growth, pose a new threat to the Pantanal due to their negative environmental consequences," the analysis says. Roads and electricity lines have been constructed, while large agri-industrial projects have emerged on the Pantanal's periphery ?large-scale cattle r...

World's largest rainforest drying experiment completes first phase

...of choice among the Amazon's farmers and ranchers, pose a serious threat to a forest that is home to more plant and animal species, and more indigenous cultures, than any other forest in the world. According to Nepstad, with the completion of this first phase of the experiment, attention will turn to ano...

Chemicals in tattoo inks need closer scrutiny

...rsity of tattoo inks, and to determine if any inks pose health threats in the form of heavy metals or other potentially dangerous chemicals. Overall, the study covers 17 inks from five different manufacturers. "We chose to study five different brands of black ink as it is the most common color used in ta...

NIAID begins clinical trial of West Nile virus vaccine

...ctuates seasonally and regionally, it continues to pose a serious public health threat, especially to older adults and people with weakened immune systems," says Anthony S. Fauci, M.D., director of the NIAID. WNV, initially isolated in Uganda in 1937, made its first U.S. appearance in New York City in 19...

Could microbes solve Russia's chemical weapons conundrum?

...Ms, how-ever both methods are highly expensive and pose environmental risks. Mustard is a blistering agent that was first used in World War I. Found in both liquid and aerosol form (mustard gas), it can cause severe burns to the skin, and severe damage to the respiratory system and internal organs if ing...

New strategies to reduce hospital-aquired infections

...ctions, harbors pathogenic microorganisms that can pose a significant health threat to patients, especially those with weakened immune systems. By all accounts the prevalence of infections caused by some of the most potentially lethal waterborne microbes, such as legionella and pseudomonas, are underestim...

Distributed Basic Local Alignment Search Toolkit (W.ND-BLAST)

...ctions, harbors pathogenic microorganisms that can pose a significant health threat to patients, especially those with weakened immune systems. By all accounts the prevalence of infections caused by some of the most potentially lethal waterborne microbes, such as legionella and pseudomonas, are underestim...

Community MRSA is re-emergence of 1950s pandemic, study suggests

..., but also shows why community acquired MRSA could pose such a serious public health challenge in coming years. "The community acquired MRSA clone has a toxin and other traits with a proven track record for causing serious diseases in healthier and younger age groups than those currently regarded as at r...

Recombinant DNA technology may enable oral, rather than injectable, delivery of protein drugs

...or through inhalation. But, these delivery methods pose their own significant challenges. Ultimately, Shen and colleagues began to reconsider the possibilities of oral drug administration. Their first breakthrough came when they began to recognize the potential uses of transferrin. "We discovered that tr...

Novel compounds show promise as safer, more potent insecticides

...hat these older, less-selective insecticides could pose heath risks and there’s a growing effort underway to find safer replacements. Targeting the ryanodine receptor may offer a promising alternative, researchers say. Ryanodine, a natural alkaloid discovered years ago in a species of tropical plant, has...

Analysis of flower genes reveals the fate of an ancient gene duplication

...r potentially several gene-duplication events--can pose a significant challenge. One way in which this can be overcome is for researchers studying a particular modern-day gene to look at neighboring genes in different related species. Genes derived from a common ancestral gene region will still share simi...

Study shows eutrophic lakes may not recover for a millennium

...er it is going to hit the lakes and it is going to pose problems." Eutrophication occurs when nutrient-rich soil washes into lakes and streams. It stimulates the growth of algae and has transformed many of the world's lakes from clear freshwater reservoirs to soupy, weed-choked pools. It contributes to o...

Device traps, disables harmful bacteria

... Engineering, University of Colorado. Bioaerosols pose a threat to public health through infectious and toxic diseases. Today there are increased settings where people gather and can be affected by such bioaerosols. Among these "high-exposure environments" are correctional facilities, homeless shelters, ...

Vibrio bacteria could be a risk to fish as well as humans

...at the bacteria are extremely aggressive and could pose a great risk to sea animals, as disease is often caused by enzymes produced by bacteria." It is not yet clear to what extent these new vibrios affect marine animals in the wild. The next thrust of the work by Professor Austin and his team is to devi...

How HIV disables the cells' call for help

...P, a tiny piece of a piece of the HIV virus, would pose no danger to patients as it lacks any ability to either infect cells or to reproduce. Rather, as the scientists note in their paper, the study of a destructive virus may contain important lessons on how to regulate the immune system. "Perhaps," says ...

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