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Tag: "equivalent" at biology news

Computational verification of protein-protein interactions by orthologous co-expression

...als for the first time. In bacteria and yeast, the equivalent of sirtuin1 is already known to help slow processes linked to cellular aging when food is scarce, an effect that extends the single-celled organism's lifespan. "We now know that sirtuin1 is directly involved in the response to calorie restriction in...

Eliminate Data Analysis Bottlenecks in Drug Discovery

...als for the first time. In bacteria and yeast, the equivalent of sirtuin1 is already known to help slow processes linked to cellular aging when food is scarce, an effect that extends the single-celled organism's lifespan. "We now know that sirtuin1 is directly involved in the response to calorie restriction in...

Research shows smoking adds a decade to reproductive age of IVF patients

...or new Dutch study has found that smoking adds the equivalent of ten years to a 20-year-old subfertile woman's r... age of a 20-year-old. This means it makes her the equivalent of a 30-year-old non-smoker in reproductive terms. "However, it also indicates that subfertile coup...

Alcohol consumption disrupts breastfeeding hormones

... juice on a different day. The dose of alcohol was equivalent to that found in one to two glasses of wine. After consuming the beverages, the women used electric breast pumps to stimulate lactation. Blood samples taken throughout the procedure were analyzed for oxytocin and prolactin, the two key hormones that ...

Chemical Engineer Kao Explores Antibiotic Synthesis With DNA Chips

... should be able to generate a high producer that's equivalent to 20 years of work with the traditional method, and then we can study the identifiable mutations," Kao said. Whether she's studying existing mutants or creating her own, Kao's main interest lies in learning how to manipulate cells to do what she wa...

Active Vaccine Prevents Mice From Developing Prion Disease

...teins that have the same amino acid composition as equivalent proteins occurring naturally in the body. But the prions turn deadly by changing shape. These "misfolded" proteins tend to aggregate in toxic, cell-killing clumps. As an infection takes hold, prion proteins invade brain tissue and force normal protei...

Cancer drug slows poxvirus in mice

...h either saline solution or with Gleevec at a dose equivalent to that given to humans being treated for CML. Next, they exposed the mice to ordinarily lethal amounts of vaccinia. All of the Gleevec-treated mice survived, while 70 percent of the untreated mice died. This finding, if confirmed in additional anim...

Open Access journals get impressive impact factors

...ain received impact factors that compare well with equivalent subscription titles, it was announced today, with five titles in the top five of their specialty. The high impact factors for these journals affirm that they are respected by researchers, and are fast becoming the place for authors to submit importan...

'Bionic' arm gives amputee sense of touch

...ain received impact factors that compare well with equivalent subscription titles, it was announced today, with five titles in the top five of their specialty. The high impact factors for these journals affirm that they are respected by researchers, and are fast becoming the place for authors to submit importan...

Anthrax test, developed by army and CDC, receives FDA approval

...With FDA recognition of the assay as substantially equivalent to the classical assay used prior to 1976, it will be available for use for testing in designated civilian and military clinical laboratories. "This is a big first step in helping to provide the LRN labs with FDA cleared assays," said Judy Sheldon,...

'Mad cow' proteins successfully detected in blood

...With FDA recognition of the assay as substantially equivalent to the classical assay used prior to 1976, it will be available for use for testing in designated civilian and military clinical laboratories. "This is a big first step in helping to provide the LRN labs with FDA cleared assays," said Judy Sheldon,...

Discovery of an American salamander where it shouldn't be: Korea

...logy at the University of California, Berkeley, an equivalent surprise was the recent discovery in Korea of a type of salamander that comprises the majority of species in the world, but is totally unknown in Asia and rare outside the Americas. "I've discovered and named nearly 50 species of salamanders - more ...

Researchers feed tiny pills of RNA to planarians to identify genes essential for regeneration

... will help how researchers target their efforts on equivalent genes in mice or zebrafish, for example. * It is inexpensive to study. Now that Sánchez Alvarado and his colleagues have opened the door to understanding regeneration by identifying key genes in the process, the U researcher predicts, with aid o...

Plankton can run, but can't hide from basking sharks

...to filter up to 2,000 tons of water per hour - the equivalent of an Olympic-sized swimming pool. It is harmless to humans, but has been netted and harpooned for its oil which was burned in lamps and more recently for its fins. ...

Beetle-inspired switch uses water for bonding

...o a hundred times its own body weight -- the human equivalent of carrying seven cars -- the switch in its most basic form uses surface tension created by water droplets in contact with a surface, in much the same way as two pieces of wet paper cling together. When attacked, the palm beetle attaches itself to...

The synapse is a shotgun

...ctron microscopic tomography -- the microscopist's equivalent of a CAT scan -- to create a detailed 3-D map of the synapse of a chick ciliary ganglion. This ganglion is a cluster of neurons that connect the brain to the iris of the eye. It launches the neurotransmitter acetylcholine from sac-like vesicles acros...

Team of international scientists departs today to discover the unknown in China's Himalayan region

...g just 2.3 percent of the Earth's surface (roughly equivalent to the combined areas of the five largest U.S. sta...vered 15.7 percent of the Earth's surface, an area equivalent in size to Russia and Australia combined. New hotspot analysis shows that an estimated 50 percent of...

Organic farms produce same yields as conventional farms

...organic systems increased by 15 to 28 percent, the equivalent of taking about 3,500 pounds of carbon dioxide per...reased 8 to 15 percent. Nitrate leaching was about equivalent in the organic and conventional farming systems. # Organic farming reduced local and regional ground...

Lands surface change on Alaska tundra creating longer, warmer summers in Arctic

...pheric heating in the region of northern Alaska is equivalent to what might be observed if there was a doubling of carbon dioxide in the atmosphere. Continuation of this trend could further amplify atmospheric heating in the region by two to seven times and could possibly contribute to broader changes in climat...

'Underground' tunnels discovered as means for communication between immune system cells

...metropolitan area, the distance would be about the equivalent to four or five city blocks. That's nothing short of amazing," remarked Dr. Salter, associate professor of immunology at the University of Pittsburgh School of Medicine. The authors are the first to explain the function of tunneling nanotubules, str...

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