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Tag: "fully" at biology news

UCI scientists find chlorine may contribute to ozone formation

...ng link between ozone and human health, we need to fully understand the role chlorine may play in ozone chemistry in coastal urban environments." Saltzman and Brandon Finley, a graduate student researcher in the Department of Earth System Science, published their findings in the current issue of Geophys...

Scientists reverse evolution

...reverse it." The hybrid Hoxa1-Hoxb1 gene is not fully identical to the half-billion-year-old Hox1 because it lacks Hoxc1 and Hoxd1. But Hoxc1 vanished during evolution because it was redundant, and Hoxd1 plays a minor role. So the combined Hoxa1-Hoxb1 gene performs essentially all the functions of the a...

Airborne mold spores increase kids' risk for multiple allergies

... adds, "and more research is needed before we will fully understand the impact of fungi as an allergen in infants." If mold is found in the home, the UC team recommends following the Environmental Protection Agency (EPA)-accepted guidelines for removing it. They also say any moisture issues, such as roof ...

Lost in thought: Brain research

..., in which the 'self must be abandoned in order to fully engage with the outside world.'" On a more scientific level, their study suggests that the brain's self-awareness centers do not function as a critical element that allows perceptual awareness of the outside world. Rather, the self-related areas of t...

New flood-tolerant rice offers relief for world's poorest farmers

...submergence atall, most rice varieties will die if fully submerged for too long.When the plant is covered with water, its oxygen and carbon dioxidesupplies are reduced, which interferes with photosynthesis andrespiration. Because the submerged plants lack the air and sunlightthey need to function, growth i...

A protein complex that untangles DNA

...ly distributed during cell division. Moreover, to fully ascertain that the new cells will contain the same genetic information as the parental cells, any damage to the DNA, which is organised into several chromosomes, must be repaired. "A cancer cell often has chromosomal aberrations that can be linked ...

Successful transplantation from pig embryos to mice

... Next, the team tried the experiment on mice with fully functioning immune systems, but destroyed the insu... suppression protocols, the implanted tissues were fully functional over time, producing insulin and maintaining the mice's blood sugar at normal levels. "T...

Study identifies new role for breast cancer susceptibility gene

...g genomic stability. Although the mechanism is not fully understood, reduced BRCA1 expression is also often correlated with accelerated growth and progression of breast tumors and with increased tumor blood vessel formation. In order to better understand the link between BRCA1 and tumor progression, Dr. We...

Breaks in hibernation help fight bugs

...als regularly snap out of their torpor, and become fully active. But such sudden breaks from slumber eat in...the animal's stored energy reserves, and it is not fully clear why the animals need to wake up, and how often Some scientists think the answer lies in b...

NHGRI announces latest sequencing targets

...ecomes affordable for an individual's genome to be fully sequenced, genomic information will allow estimates of future disease risk for individuals, as well as improve prevention, diagnosis and treatment. Projects given the highest priority will use large-scale sequencing over the next few y...

A new tool against brain disease

...e researchers found that HIV can simply "turn off" fully functional T cells by flipping a molecular switch on the cells. In test tube studies, however, the scientists showed that they could reinvigorate the killer T cells by blocking that inhibitory switch, which is called programmed death-1 (PD-1). ...

How HIV 'exhausts' killer T cells

...e researchers found that HIV can simply "turn off" fully functional T cells by flipping a molecular switch on the cells. In test tube studies, however, the scientists showed that they could reinvigorate the killer T cells by blocking that inhibitory switch, which is called programmed death-1 (PD-1). ...

How ancient whales lost their legs, got sleek and conquered the oceans

...cient whales is becoming apparent, it is still not fully defined. "It's clear when ancient whales lost all vestiges of the limb it was probably triggered by loss of Sonic hedgehog," said Clifford Tabin, Ph.D., a professor of genetics at Harvard Medical School who was not involved in the research. "But it'...

Genes discovered that allow gum disease bacterium to invade arteries

... invade and survived in artery cells compared to a fully functioning strain of P. gingivalis. "Our study showed that all four mutated strains were defective in invasion of the artery cells and that their ability to survive inside of the cells was diminished. These results show that these four genes pla...

How plants avoid feeling the burn

...n the project. "The initial interest was to more fully understand how photosynthesis works," said Fisher. Because our center focuses on electron transport in a single molecule, Devens Gust and Tom and Ana Moore suggested that we look at single molecule transport in carotene." To get at the heart of the...

Many cleaners, air fresheners may pose health risks when used indoors

...g to indoor pollution levels in ways that were not fully understood, the ARB commissioned Nazaroff and his team to study the problem. Four years in the making, the team's 330-page study and report, "Indoor Air Chemistry: Cleaning Agents, Ozone and Toxic Air Contaminants," was posted online by the ARB on W...

Survival of the selfless - scientists find cheats don't always prosper

...e energy efficiently by taking in sugar slowly and fully converting into energy all that they ingest. This method maximises resources available to the group by avoiding any waste. Against them were the 'cheaters', which produce energy rapidly by quickly taking in all the sugar they can and only partially...

Drug triggers body's mechanism to reverse aging effect on memory process

...s to trigger a natural mechanism in the brain that fully reverses age-related memory loss, even after the drug itself has left the body, according to researchers at UC Irvine. Professors Christine Gall and Gary Lynch, along with Associate Researcher Julie Lauterborn, were among a group of scientists who ...

Polymers show promise for lab-on-a-chip technology

...ly, we believe liquid crystalline polymers will be fully integrated in microelectromechanical systems, such as the emerging lab-on-a-chip applications," she said. ...

Cincinnati surgeons report new treatment for often-fatal injury

...en, Dr. Giglia explains, but they are too short to fully bridge the damaged area in the chest. "Used alone, extender cuffs are hard to align and often slip into the defect to cause further complications," says Dr. Giglia. "Using a fixed stent provides an easy-to-see 'scaffolding' that can guide the surge...

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