Tag: "such" at biology news

Researchers Discover First Animal Strain Of Hepatitis E Virus

...n a number of countries. Similarly, such antibodies have been found in most human populations, even where hepatitis E disease does not occur. Furthermore, the degree of genetic divergence of the swine virus from human hepatitis E v...

E. Coli Genome Reported: Milestone Of Modern Biology Emerges From Wisconsin Lab

...ere made freely available throughon-line databases such as GenBank to scientists worldwide. The E. coli genome is a huge one, and required an additional nine months to describe in detail in Science. With more than 4.6 million bases, it is two or three times bigger than other bacteria sequenced to date. S...

Scientists To Study Effects Of Global Warming On Wetlands

...to investigate the linkage between various factors such as the amount of solar radiation reflected back into the air and its effect on carbon production and net ecosystem productivity. "Right now scientists don't know what's happening with the energy budget of ecosystems," said Chen. "If we can te...

Molecular Piracy Turns Protein Into Traitor

...his means it may also be a useful tool in diseases such as rheumatoid arthritis or asthma where the human immune system is abnormally activated or even as a means of understanding transplant rejection. It may also lead to useful anti-inflammatory agents for asthma and rheumatoid arthritis....

Study Sheds Light On Behavior Of Middle-Age 'Undertaker' Bees

...ertakers. Sincebees' nests are built in cavities, such a specialty is important for keepingthe nests clea... profiles of interesting types of specialist bees, such as undertakers,"Robinson said. "Understanding the career choices of bees is a usefulmodel for under...

Planned Burning In Forests A Boon To Several Species Of Birds In Illinois

...g in oak savannas is helping manybird populations, such as the red-headed woodpecker, based on preliminary... The rates in unburnedareas was 92 percent. Even such a small difference, Brawn said, can meana big difference in productivity and nesting success. "We h...

Trojan Horse Virus Controls Hiv Infection

...V constructsthat incorporate other HIV coreceptors such as CCR5 and CCR3 in an attempt toaffect HIV strain...nfected cells against an invading virus. Moreover, such vectors could be used as novel vaccines todeliver antigenic genes to antigen-presenting cells, such ...

Chemists Develop High-Throughput Method To Synthesize And Screen Novel Antibiotics

...ngpotential replacements for standard antibiotics, such aspenicillin and amoxicillin. All of these antibiotics fall intothe category known as beta lactams. Chemistry graduate student Jie Wang will explain a key part ofthe system Sunday, Sept. 7 during the national meeting of theAmerican Chemical Society i...

Basin Traps Air Pollution In Mexico City: International Study Has Implications For U.S. Cities

...rt to study the effects that geographical features such asmountains and valleys have on air movement and p...ns and potentially guide responses to pollution -- such aschanging the location or timing of pollution releases. Mexico City, with 20 million resid...

Lethal Parasite Prime Suspect In Fish Kills At Salton Sea

...ome marine aquaria. Under closed conditions, such as aquaria and apparently also in the Salton Sea, the investigators reported, parasite levels can build up to extremely high levels in fish. Healthy fish in aquaria can die after only 12 hours of exposure to Amyloodinium. Lik...

Low Oxygen, Key To Fetal Development, Also Offers Cancer Clues

...properly, a mother can suffer seriousconsequences, such as a spontaneous abortion or preeclampsia." The way a placenta's cells invade the uterus bears aremarkable resemblance to how a cancerous tumor invades healthytissue, says Ludlow, but the reaction of cancer cells to hypoxiais reversed. Ludlow's ...

Fossils Show British Columbia Was Once 2,000 Miles South

...mbia. However,critics say, there is no evidence of such a fault. The UW researcher believesthe fault is certainly extinct, and because it is buried deep in the Earth'scrust, it may never be detected. Ward also dismisses observations that fossils in the British Columbiarocks show no evidence of tr...

Guidelines For Human Germ-Line Interventions Topic Of AAAS Forum

...ible to contemplateenhancing human characteristics such as height or intelligence. The forum,sponsored by ...ations in humans prior to scientificbreakthroughs, such as the recent discovery of the possibility of cloning humanbeings. Because applying germ-line int...

UT-Houston Awarded $2.5 Million For Scleroderma Research

...s together three talented research groups. To have such a wealth of expertise focused on revealing the genetic andenvironmental basis of the disease is a truly exciting prospect." Commenting on the news that UT-Houston has been selected as the firstSCOR in scleroderma, President M. David Low said:...

Hunt For Early Heart Attack Genes Begins

...s likely to have various genetic causes, enrolling such a large studypopulation will help the scientists hunt for several genes at the same time,notes Breslow, Frederick Henry Leonhardt Professor and a senior physician at TheRockefeller University Hospital. Specifically, they will recruit: men w...

Mutant Gene Not Sole Explanation For Hiv Non-Progression

... researchers say, the good health of such "long-term nonprogressors" probably is due to multiple factors, which may vary from individual to individual. Oren Cohen, M.D., a medical officer in NIAID's Laboratory of ...

Researchers Find Association Between Alzheimer's Gene And Mental Impairment After Cardiac Surgery

..., they believe the variantAPOE-4 is unable to make such repairs efficiently, as evidenced in patientswith ... said. "The fact that thisassociation was found in such a small study population leads us to believethe results will be borne out in larger studies." Physi...

Wonder Thread: UD Scientists Report First Protein With Collagen And Elastin-Like Domains

...ot yet feasible to manufacture materials featuring such gradual transitions, Waite says. But, he adds, "It's fun to dream about versatile new materials for a whole host of products--from steel-belted radials to shoes, which must be soft and flexible, yet tough enough to pound the pavement." Waite emphasiz...

OHSU Scientists Discover Mice Lacking Dopamine Receptor Are Supersensitive To Alcohol, Cocaine And Methamphetamine

...tem are known to be associatedwith human disorders such as Parkinson's disease, schizophrenia and addictio...receptor isimplicated in modulating the effects of such drugs," says Grandy. "Consequently, the D4 receptor may be a new target for the treatment of drugabu...

Gene For Last Major Form Of Batten Disease Discovered

...uired to producesomething neurons need to survive, such as a nerve growth factor. The researchers are now developing DNA and protein-based tests that will improvediagnosis and carrier testing for LINCL. The finding also opens the door togene therapy and enzyme therapy for the disease. Preliminary studi...

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