Tether for water channels found: May impact research on brain swelling
...finding also creates a new vision of the invisible barrier between the blood and the brain, one that involves a separate barrier for water, the scientists suggest. "We think the interaction of the water channel and its tether he...Mating molds provide new insights into speciation and human reproduction
...To our knowledge, this is the first case where the barrier between interspecies crosses has been observed to break down as a result of mutation in a single gene," Shiu added, "but since gene silencing is universal, it could occur in other kingdoms, including plants and animals." Commercial interest The Cell ...Optical tweezers show how DNA uncoils
...bodies. We're trying to understand the mechanical barrier presented by the nucleosome and, further, how the ...The researchers used optical tweezers to probe the barrier encountered by enzymes like RNA polymerase that prompt DNA in nucleosomes to uncoil from histones. ...UCSF prion finding in mice leads team to urge similar study in cattle
...which various strains cross the species barrier, a barrier that precludes the transmission of most diseases between species, also varies. Finally, oral transmission of prions the mode by which transmission would naturally occur is inefficient compared to transmission by inoculation. To determine whether ca...Researchers identify compounds that might help in spinal cord repair
... of compounds that appear to overcome an important barrier to regenerating damaged nerves. Their findings could lead to new treatments for spinal cord injury, multiple sclerosis and other neurological conditions. Targeting a newly discovered mechanism that inhibits the growth of damaged nerves, the researche...Social insects could offer clues about genetic conflict
...tic diseases, and is also thought to be a possible barrier to cloning....Protecting drinking water from disease transmission by means of zeolite filters
...performance of treated zeolite as a suitable virus barrier with that of untreated zeolite and of iron-oxide c... so in the field. Treated zeolite was an effective barrier in both situations. In the field, treated zeolite removed at least 99 percent of viruses from the wa...Other highlights in the May 1 issue of JNCI
...ribed regimens. Poor adherence may be the greatest barrier to the effective use of new oral medications, particularly if oncologists do not recognize the problem. In a review published in the May 1 issue of the Journal of the National Cancer Institute , Eric P. Winer, M.D., and Ann H. Partridge, M.D., of t...Scientist explores the future of research collaboration
...tes," he writes. "Physical location is no longer a barrier to the free and easy exchange of information. Indeed, it may be the case that the advent of email had already begun to increase diversity in geographical locations." In addition, Beaver interviewed professors at Williams College, an undergraduate li...Twelve new coral and fish species discovered off Madagascar
...revenue through tourism. They also form a natural barrier between coastal communities and the open ocean, lessening beach erosion. Coral reefs are being degraded worldwide by human activities and climate change. These vital marine habitats are often fished intensively; in regions of the Indian and Pacific ...New amino acid discovered; Fundamental building block of life
...searchers broke that numerical barrier announcing that the 21st had been discovered. Finding a 22nd suggests that even more of these basic biological building blocks may be ...Rainforest wildlife surprisingly sensitive to landscape changes
...y birds and other wildlife, and creates a complete barrier to the movements of some species. Laurance believes the results of the analysis indicate clearly that Amazonian nature reserves will have to be very large in order to maintain their diversity and dynamics, and to withstand external threats from suc...Penn State engineers boost hydrogen production from fermentation
...mentation processing method, may help us cross the barrier to realizing hydrogen's promise as the fuel of the future," he adds....Warmer world will be a sicker world, say scientists
.... A winterwarming trend in the mid 1990's lifted a barrier to northward movement andallowed this parasite to spread northward into previously unexposed Maineoysters. Biodiversity Buffers Disease Outbreaks "The diseases we should be most worried about are the vector transmitteddiseases," says Dobson. As t...Hepatitis C infection does not alter HIV progression or treatment
...rapy. Hepatitis C virus infection should not be a barrier to aggressive antiretroviral therapy in HIV patients," said lead author Mark Sulkowski, M.D., assistant professor of medicine in the division of infectious diseases, and medical director of the Center for Viral Hepatitis at Hopkins. Scientists have k...Howard Hughes Medical Institute awards $80 million for undergraduate science education
...ce president for grants and special programs. "One barrier to linking research and education is the lack of opportunities for graduate students and postdoctoral fellowswho are the future professorsto acquire teaching skills and experience," says Bruns, who was a professor of biology at Cornell University bef...Washington University receives $2.2 million funding from Howard Hughes Medical Institute
...ce president for grants and special programs. "One barrier to linking research and education is the lack of opportunities for graduate students and postdoctoral fellows, who are the future professors, to acquire teaching skills and experience," says Bruns, who was a professor of biology at Cornell University...Sea Grant research shows electric barrier may stop Asian carp
The electric barrier in the Chicago Sanitary and Ship Canal may effecti...bighead carp were deterred by a simulated electric barrier modeled after the actual one. Using fish raceways to do controlled experiments, John Chick and Mark ......er to keep out infectious agents. This blood-brain barrier also keeps out large-molecule drugs, and the lipid...hat the resulting shock waves make the blood-brain barrier permeable, so large particles can get into the brain both between cells and through cell membranes. ...Without blue crabs, southern salt marshes wash away, study finds
...eastern United States and may one day cause nearby barrier islands to collapse as well. In experiments along ...t fish and other species. The marshes also protect barrier islands from erosion, and barrier islands buffer the shorelines. Hundreds of miles of southern salt ...