Tag: "unlikely" at biology news

Trouble for the world's turtles

...impacted," said Pritchard. "Many turtlespecies are unlikely survive the onslaught of human exploitation and habitatloss if current trends continue. As we enter the next millennium, there is agreat risk that a number of turtles will become extinct, particularly inSoutheast Asia." The scientists called for t...

Jurassic period mammal teeth found; prevailing theories challenged

...been extremely sparse," he said. These fossils are unlikely to bespotted in the field by the naked eye, one reason for the dearth of information. The finding of the teeth contradicts the widely-held idea that thesubgroup of mammals encompassing most living forms (marsupials and placentals)came from th...

CYP17 gene proves important in determining bone growth, find University of Pittsburgh investigators

...nes. "Osteoporosis is a complex disease, and it is unlikely that there is a singlegene that causes this disorder in most people," said Mr. Zmuda. "But this studyis a step toward our goal of understanding the genetics of osteoporosis. Weintend to conduct further research to see if having the CYP17 mutation is...

UT Southwestern researchers develop technique to determine protein communication, function

...sometimes distant inmolecular terms. But it seemed unlikely to them that the protein underwent acomplete restructuring to accomplish this information transfer. Ranganathan compared communication between different molecular positionswith an automobile. "If I push the brake in my car to stop it,...

Twins

The most unlikely pair of twins since Danny DeVito and Arnold Schwarzenegger just might be the daughter cells of the tiny Caulobacter crescentus bacterium. Caulobacter cells reproduce by giving rise to a pair of offspring -- one that swims and one that is rooted onto ...

Chimpanzee subspecies are genetically mixed and more diverse than humans, according to research in 5 November 1999 Science

...c intermixing among the chimpanzee groups makes it unlikely that any cultural differences between chimpanzee populations are due to genes determining behavior. "Rather, these differences are probably truly the result of cultural evolution, the transmission of learned behaviors from generation to generation," ...

Experts to study informed consent in national gene transfer research

...possibility of benefit, but in most it's extremely unlikely or absolutely not possible directly." A second effort led by King will analyze consent forms not only in the 50 studies the team will investigate in depth, but in all 300 gene therapy studies done in the United States since they began in 1990. ...

PSA level predicts future prostate growth

...ribe a drug proven to slow the growth, or if it is unlikely to grow, doctors may choose to monitor the growth but not treat it. "The PSA test provides the doctor with critical information in planning a treatment," Roehrborn said. "Every man over age 50 should have a PSA test and digital rectal exam annually...

Gene therapy halts HIV replication in cells from infected patients

... an RNA-based approach, use of the antitat gene is unlikely to induce unwanted host immune responses that might eliminate cells expressing a foreign protein. The Children's Hospital of Philadelphia, the nation's first children's hospital, is a leader in patient care, education and research. This 373-bed mul...

Ground-penetrating radar detects hard-to-find hazardous waste

... It also detected creosote hiding in a couple of unlikely spots -- beneath the tank pads. "At first we thought the pads were there just to support the storage tanks," said Daniels. "But the GPR showed that there was definitely ...

Understanding how the first cells emerged

...ed M2 from the human flu virus. Though it's highly unlikely that M2 was used by protocells, similar proteins may have been involved. "We really don't care all that much for the specific identity of the actors," says Pohorille, "we want to know if we can understand the play." He and his colleagues simulated w...

Magnetic fields may hold key to malaria treatment, UW researchers find

...s method could bypass those concerns because it is unlikely Plasmodium could develop a resistance to magnetic fields. Malaria is spread by female Anopheles mosquitoes. The organism first invades the liver, then re-emerges into the bloodstream and attacks red blood cells. This is what causes malaria's hallm...

Adding acetone to compost remediates chunk TNT contaminated soil

...f soil. Although the TNT left to its own merits is unlikely to pose an explosion hazard, the Environmental Protection Agency denotes TNT as a possible human carcinogen under the agency's Integrated Risk Information System. As a part of its overall environmental mission and to safeguard the health of its worke...

Jays and cars don't mix

...ays that survived this long either were inherently unlikely to be killed by vehicles or had learned to avoid them. The second roadside group with a particularly high death rate was 30-90-day-old fledglings: three times as many died on road territories than on non-road territories. During this age range, youn...

No apparent increase in cancer deaths among Three Mile Island residents, report University of Pittsburgh researchers

...nted studies," said Dr. Talbott. "Therefore, it is unlikely that this observed dose trend is related to radiation exposure on the day of the accident." To fully explore the relationship between low-level radiation and breast cancer, an in-depth case-control study would be necessary, she said. While the autho...

Potential gene therapy carriers created that mimic viruses, without the risk

...ometer is roughly one-billionth of a yard) has the unlikely name of knedel (k-ned-l) because of its similarity to a popular Polish dumpling filled either with meat or sweets. The knedels are shell cross-linked structures surrounding a hydrophobic, or water insoluble, core domain. Needless to say, the knedels...

Blister beetles use sex and subterfuge to infiltrate bee's nests

...d Las Vegas in the Mojave National Preserve, is an unlikely setting for a soap opera. But the springtime behavior of blister beetles puts the daily machinations of "The Young and The Restless" to shame. In what researchers say is a "remarkable mode of host-finding," newborn blister beetle larvae of the speci...

Benzene responsible for high percentage of leukemia deaths induced by smoking

...styrene," the authors wrote. "Benzine is therefore unlikely to be independently responsible for all smoking-induced leukemia. However, based on current knowledge ... of these compounds and their relative concentrations in cigarette smoke, it seems likely that benzene's contribution is substantial." The EPA ...

Clot-busting drugs don't benefit older heart attack patients

...of heart attack patients who are older than 75 are unlikely to have any benefit and may be at higher risk of death. More studies on how to treat the older population are urgently needed." The study used data from the Cooperative Cardiovascular Project (conducted by the Health Care Financing Administration)...

Feathers on reptile older than dinosaurs, reported in Science

...l unclear. The authors believe, however, that it's unlikely that features as complex and specialized as feathers evolved more than once. More fossil evidence will be necessary to explain the evolutionary origins of modern-day feathers. Currently, the Longisquama skeleton and several additional pieces descri...

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