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Tag: "newly" at biology news

Light-sensitive photoswitches could restore sight to those with macular degeneration

A research center newly created by the University of California, Berkeley, and Lawrence Berkeley National Laboratory (LBNL) aims to put light-sensitive switches in the body's cells that can be flipped on and off as easily as a remote control operates a TV. Optical switches...

Unique soybean lines hold promise for producing allergy-free soybeans

...n seeking a more traditional approach. Because the newly identified lines occur naturally, they can be successfully crossed into other soybean lines "without any biotechnology-derived component," the researchers noted. "Soybeans are slowly but surely increasingly being used in the foods we eat, and with t...

Pollutant haze heats the Arctic

...nlight, which reduces surface temperatures. So the newly discovered effect is a surprise. "What we found is an opposing effect where particulate pollution changes clouds so they warm the surface," Garrett says. "This effect is most pronounced in Arctic winter when it is dark and there is no sunlight. The...

Dopamine drug leads to new neurons and recovery of function in rat model of Parkinson's

...ts. Until now, however, no one had shown that the newly developed neurons could connect with other parts o...d with saline, the researchers found. Many of the newly generated cells appeared to develop into mature neurons, and approximately 28 percent of them appear...

The higher the hierarchy, the greater the aggression

...particularly high levels of aggression are used by newly promoted dominants to establish their status. "We found that rates of both aggressive 'displays' (aimed at individuals of lower rank) and aggressive 'tests' (aimed at individuals of higher rank) decreased down the hierarchy, as predicted by our model...

Scientists tie several cancers to common 'oncogene engine'

...egies might be applied to the tumors as well." The newly grouped cancers ?melanoma, clear cell sarcoma, alveolar soft part sarcoma, and pediatric renal carcinoma ?are often lethal if surgery cannot completely remove them. Dana-Farber researchers are already using these new insights in clinical trials of a...

Activation of microRNA inhibits cancer gene in human cancer cells

... dramatic reduction of cancer-causing genes when a newly discovered method is used to activate the expression of protective microRNAs in the cancer cell genome. The research, published in the June issue of Cancer Cell, demonstrates that agents known to regulate gene expression can also impact regulatory RN...

The molecular post office inside the cell

...ocon complex, takes over the job of transferring a newly produced protein through the membrane. Knowing the...he cell. The SRP reads the sequence as soon as the newly built protein chain leaves the ribosome. The SRP binds to the ribosome and directs it, together with...

Higher risk for cervical cancer seen among women infected with multiple HPV types

...ine data for analyzing over time the impact of the newly approved vaccine, Gardasil, on the dynamics of HPV infection. "Women who harbor multiple infections are at higher risk for cervical lesions than those ever infected with one type only and should be followed more closely," said Eduardo L. Franco, Dr...

Experimental vaccine protects lab animals against several strains of H5N1

...y what one would need, as it would protect against newly emerging variants until a strain-specific vaccine can be developed. The reverse genetics method used by the St. Jude investigators would allow rapid vaccine preparation, which is crucial in a potentially fast-moving pandemic. Other undertaken vaccine...

Large dinosaurs were extremely hot in their day, UF study finds

...among body size, temperature and growth rates with newly available fossil data on the growth rates of eight dinosaur species. Using a mathematical formula, they produced the first prediction of dinosaur body temperatures based on direct fossil evidence. "When a dinosaur started small and grew large, its ...

Gene therapy injected into the brains' of mice with Huntington's disease

...a new approach to forestall disease progression in newly diagnosed HD patients by delivering potent trophic factors with effects that are long-term and non-toxic." "If these results can be replicated in HD patients, it would represent a significant advance in the treatment of this tragic disease", agreed...

HIV-1's high virulence might be an accident of evolution

...V and AIDS. In 2005, an estimated 4.1 million were newly infected with the virus. While infection with related strains of "simian immunodeficiency virus" (SIV) is similarly rampant among many species of monkeys, naturally infected nonhuman primates usually don't suffer the symptoms associated with AIDS. Th...

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

... Program. "Ourresearch team anticipates that these newly developed rice varietieswill help ensure a more dependable food supply for poor farmers andtheir families. And, in the long run, our findings may allow riceproducers in the United States to reduce the amount of herbicidesused to fight weeds." Back...

UGA researchers find that hunting can increase the severity of wildlife disease epidemics

...urces such as food and shelter. As a result of the newly plentiful resources, the death rate decreases and the birth rate increases, compensating ?and sometimes overcompensating ?for the loss. Killing wild animals can also increase the proportion of the population that's susceptible to disease by removin...

Today's babies are fatter babies

...dren under age 6 in Massachusetts over 22 years, a newly published study shows that young children--especially infants--are now more likely to be overweight. This study was based at the Department of Ambulatory Care and Prevention of Harvard Medical School and Harvard Pilgrim Health Care and appears in the...

A new look at the state of the oceans

...data, and to supplement existing data records. All newly entered data are reviewed, and, if necessary, evaluated by experts. This not only facilitates the fast development and expansion of the data base, but also leads to a high diversity of data entries with varied geographic origin through contributions ...

UN review shows need to halt destructive fishing practice

... habitats require protection, but that fishing for newly discovered resources in the high seas often proceeds unregulated to the point of serious harm. "Many fisheries are not managed until they are overexploited and clearly depleted and,because of the high vulnerability of deep-sea species to exploitati...

Study details hepatitis C ability to block immune system response

...onically infected and that between 3-4 million are newly infected annually. HCV is the leading cause of chronic liver disease including hepatic fibrosis, end-stage cirrhosis, and hepatocellular carcinoma. There is no vaccine available to prevent HCV, and current therapies are costly, have serious side effe...

Study reveals how cells destroy faulty proteins in cystic fibrosis

...ssume a functional shape. The trash collectors newly identified by the Cyr group are two different ubiquitin ligases, proteins that specifically recognize misshaped regions of CFTR and tag them with a degradation signal known as ubiquitin. The ubiquitin tag tells the cell to destroy the marked CFTR, a ...

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