Ancient pollen yields insight into forest biodiversity
...e not really competing that much," said Clark. "An alternative 'neutral model' hypothesizes that species are so similar it just takes a long time for winners and losers to be sorted out by competition," said Clark. "But eventually the better competitor would drive the other to extinction." Direct observations t...Scientists develop new RNAi knockdown technology
... that Dr. Ishii's new system provides an efficient alternative to traditional mouse knockouts in the exploration of gene function....Natural resources research helps HIV/AIDS victims
...omponent in household coping strategies, providing alternative sources of income and food security at low cost. At the same time, HIV/AIDS increases the demand for certain forest products, such as medicinal plants, which are an important component of affordable healthcare in Africa." Hammett and Barany's researc...Kefir may bolster lactose tolerance in intolerant people
...ir is a little known, and slightly more expensive, alternative to milk. It contains a multitude of bacteria that are thought to break down lactose in the digestive tract. "Many health claims exist for kefir, including the enhancement of the immune system and improved digestive health, particularly with regard to...Copper chelation is a promising new therapy for clogged arteries
...llular response to stress or injury may lead to an alternative and inexpensive treatment to efficiently manage restenosis in humans. The discovery is the result of approximately fifteen years of basic scientific research. The researchers found that an easily obtained chemical reagent made a direct and simple cl...Mouse study suggests mammoth evolutionary change
... and parks, Pergams and Nyberg consider the second alternative unlikely. Future studies should reveal if the favorable gene is in older mouse specimens held by museums in other parts of the country. In any event, Pergams thinks this research may have broad implications. "It suggests that humans are a likely ca...Automated imaging of brain tissue, high-quality glimpses inside arteries
... endoscope may provide a less invasive, first-step alternative to traditional biopsy for many. Paul Herz will describe the OCT endoscope on Monday, June 2 at 1:45 PM. (Paper CMU2, Micro-motor endoscope with adjustable focus for ultrahigh resolution OCT) OPTICAL DEVICE SHOWS ABILITY TO CAPTURE, IDENTIFY SUSPIC...Michigan solar car ready to shine
...r's car is part of a worldwide effort to highlight alternative energy sources and build vehicles that run solely on solar energy. Following a two-year design and racing cycle, SpectruM represents Michigan's seventh entry since joining the sport in 1989. In the last cycle, Michigan's car M-Pulse won the American ...Drug-resistant cancer outwitted by chemical flank attack
...patients. "We had preliminary data that PKC412, an alternative tyrosine kinase inhibitor that also inhibits PDGFR-alpha, might overcome resistance to Gleevec," said Gilliland. He and his colleagues tested their hypothesis both in cell culture and mouse models of leukemia, and showed that the leukemia that was re...Critical early-defense trigger in plants found
...icrobial pathogens and insects," says Klessig. "An alternative strategy to protect crops utilizes a plant's own natural defenses. An approach in which plant molecular biologists have overproduced plant proteins with antimicrobial activity, such as PR proteins or defensin, has met with only limited success to dat......CT fluoroscopy gives us a potentially powerful new alternative for treating these tumors."...Molecule helps prevent inflammation and heart disease in fat-fed mice
...ed long-term. Further research, though, may reveal alternative ways to determine individuals at high risk for atherosclerosis and ways to prevent the disease. "We plan to extend this research into humans so we can begin to understand the interactions between these molecules and a high-fat diet," Semenkovich says...Secrets of drug resistance in bacteria
...Their research also underscores the need to pursue alternative ways of fighting drug resistance. Currently, pharmaceutical researchers combat resistance by tweaking an antibiotic's molecular structure so it isn't compatible with a pump's binding site. This is difficult work to begin with, largely because antibio...Clinical study reports findings of combination therapy with DOXIL
...efficacy. "This phase II study evaluated DVd as an alternative to the VAD regimen. With DVd, DOXIL is administered as a one hour infusion (compared to a 96 hour infusion with VAD, which also requires indwelling venous access), and vincristine as an IV push every 28 days. The results from this study are encoura...UCR scientists modify existing chemical scrubber to environmentally friendly, all-natural filter
... odor control, biological treatment is a promising alternative to conventional control methods, but so far biotreatment always required significantly larger reactor volumes than chemical scrubbers. In the PNAS paper, the researchers report that effective treatment of hydrogen sulfide in the converted scrubber w...Bleeding disorder tied to defect in cellular transport mechanism
.... Ginsburg said such a drug might be an attractive alternative to the oral anticoagulants, such as coumadin, because it would not affect other clotting factors. Ginsburg's lab is currently pursuing MCFD2 as a therapeutic target, and the U-M technology transfer office has applied for a patent. There are still thr...Review examines economic growth and wildlife
...es, so this review poses the question: is there an alternative to this fundamental and inevitable conflict?" The 22-page technical review, published in March 2003, was written by Trauger, Brian Czech, conservation biologist with the U.S. Fish and Wildlife Service National Wildlife Refuge System; J.D. Erickson,...Energy department awards $9 million for energy-related genomic research
...lopment of new methods for carbon sequestration or alternative energy production and will work to engineer a part...lopment of new methods for carbon sequestration or alternative energy production. IBEA's research is related to the department's Genomes to Life program managed b...Nitric oxide-like drug could revive a failing heart
...th these effects. This could prove to be a useful alternative to traditional nitric oxide treatments that only enhance part of the pumping cycle." Heart failure, which prevents the heart from pumping enough blood to the body, strikes an estimated 550,000 Americans each year. Heart attack, high blood pressure a...Researchers find protein mechanism for potential atherosclerosis development
...f Gleevec in this research does not imply it is an alternative therapy for people with high cholesterol. Its better to keep cholesterol levels down and prevent these pathways from being activated, he said. The key to preventing atherosclerosis has not changed. People need to keep their blood pressure down, contr...