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Tag: "advantage" at biology news

Climate change: The rice genome to the rescue

...y said. "We also need rice varieties that can take advantage of higher levels of CO2 in the atmosphere, rice that is vigorous enough to recover quickly from extreme weather events and disasters, and very high yielding rice that will provide a supply buffer for poor communities during periods of change. "We n...

For one Stanford doctor, the beat goes on during open-heart surgery

...e considered, beating-heart surgery had a definite advantage over conventional bypass. "Beating-heart surgery is an advance in cardiac surgery because it provides a better result for patients," said John Puskas, chief of cardiothoracic surgery at Emory Crawford Long Hospital, Atlanta, and one of the 12 author...

Mice studies illustrate potential of chimp/human antibodies to protect against smallpox

...id antibodies also offer a potentially significant advantage over VIG as a treatment for smallpox vaccination complications not only because VIG is in limited supply but because VIG lots may have different potencies and carry the potential to transmit other infectious agents, he adds. According to Dr. Purcell...

Discovery of new molecular tools for biosynthesis could lead to advances in use of pectin

...e were looking for were membrane-bound, so we took advantage of our understanding of the enzyme's biochemistry to identify the genes," said Mohnen. While this first step may well be a crucial one in elucidating pectin biosynthetic genes, Hahn said the research is still at the bottom rung of the ladder, but th...

UCSD biologists find new evidence for one-way evolution

...reversible loss implies that this trait confers an advantage to species that possess it, perhaps in terms of reduced rates of extinction." ...

Ancient DNA provides clues to the evolution of social behavior

...e the evolution of sociality actually confers some advantage to withstanding periods of low genetic diversity,'' she says. ''Most behaviorists would say that sociality is so complicated that it takes a while to evolve, but maybe if a species has to be social to survive, social behavior could evolve pretty rapi...

New influenza vaccine takes weeks to mass produce

... and the successful purifications gives us a great advantage in fighting against a potential influenza pandemic, if it derived from any of these strains," says Wang. "Starting from a stocked recombinant baculovirus bank, a closely matched vaccine can be massively produced within 2 weeks." PSC has recently ...

Engineered mouse mimics cognitive aspects of schizophrenia

...ble to address. "However, rodent models have the advantage of allowing direct tests of cause-effect relationships for specific aspects of the disease, such as some of the cognitive deficits," they concluded. "We here have been able to introduce genetically a single molecular alteration in a restricted and re...

Viral protein helps infected T cells stick to uninfected cells

...e Cancer Center. "It shows that this virus takes advantage of something that T cells do normally, but, in this case, the virus is stimulating the interaction with other T cells rather than a normal immune response." HTLV-1 infects an estimated 15 to 25 million people worldwide. About 5 percent of those inf...

Botox could help target resistant tumors for treatment

...the tumor to treatment. Botox appears to offer the advantage of selectivity, absence of toxicity and persistence for a longer time than other agents that act on tumor vasculature. Further research may help us determine whether this approach would be useful to treating cancer in humans." The Gallez study was c...

Earth Rx: A microbial biotechnology prescription for global environmental health

... Rittmann. "We call them 'weeds' because they take advantage of the luxurious conditions found in the lab but t...ugh microbial ecology and biotechnology is to take advantage of microbial diversity as much as possible, particularly having different microbe to perform the sam...

Neuroscientists discover new cell type that may help brain maintain memories of smells

...ridge's lab and the lead author on the study, took advantage of a new type of imaging method called multiphoton microscopy to overcome these hurdles and to discover that Blanes cells talk to granule cells. "The multiphoton microscope allowed me to identify the axon and then follow it for long distances with...

Genomics-based vaccine could prevent deadly cattle disease

... president of TIGR. "It's one of the first to take advantage of genomic technologies and build a test vaccine using immune killer T cells as a screening reagent." In addition to TIGR and ILRI, the research team included scientists from: the Ludwig Institute for Cancer Research in Brussels; the Wellcome Trust C...

Gene-specific Ebola therapies protect non-human primates from lethal disease

...ere are no available vaccines or therapies. "One advantage of this strategy is that it directly targets the virus," said the paper's first author, Kelly L. Warfield. "With Ebola infection, the virus grows so fast that it overtakes the host immune system. What we did, essentially, was to hold off the viral re...

Research details how a virus hijacks cell signals to cause infection

...tion." In describing how the coxsackievirus takes advantage of signaling pathways, added Dr. Bergelson, his investigations revealed steps in a virus's life cycle that were previously unknown. "Eventually this understanding may yield clinical benefits, by contributing to future therapies to block viral infecti...

UCLA scientists uncover mechanism of response to targeted therapy

... to significantly reduce HIF and remove the growth advantage the cancer cells had," Thomas said. "Because we now know the mechanism that is fueling the growth of the cancer cells, we can identify patients who will respond to this drug." About 50 to 70 percent of kidney cancer patients have lost VHL, Thomas s...

'Genetic network' guards against lethal DNA damage

...genes are pulled out." The dSLAM technology takes advantage of DNA barcode that identifies which genes a yeast cell is missing. This is much like using a commercial barcode in a store to quickly identify items at the checkout counter. The scanner in this case is a microarray: a grid of thousands of spots on a...

Losing sleep undoes the rejuvenating effects new learning has on the brain

...nted to rested versus fatigued individuals to take advantage of the specific neural substrates that are unaffected by sleep loss," the researchers concluded. "This finding could be used to design training regimens for chronically sleep-deprived people, including members of the military and medical students," ...

Plant-derived vaccines safeguard against deadly plague

...ues of speed, low cost and high yield. "The major advantage of the vaccine is the rapidity of the system," said Santi. "In a matter of 10 days, we can go from infecting the plants to harvesting the plants. From there, we purify the antigens in an additional one to two weeks to create the vaccine." The appro...

Strawberries by design

...pine strawberry Fragaria vesca. The method takes advantage of Agrobacterium's circular DNA molecule (T-DNA) to deliver DNA to the plant. By helping researchers establish the function of large numbers of strawberry genes, this method could, in the long term, be extremely useful in enhancing the nutritional va...

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