A 'private bandwidth' for communication in bats: Evidence from insular horseshoe bats
...t with allopatric populations. Once again, islands turned out to be excellent natural laboratories to explore evolutionary patterns and processes....Interaction of just 2 genes governs coloration patterns in mice
...f melanin in individual hairs. When both genes are turned on, the mouse is dark in color. A mutation that changes either gene leads to a somewhat blonder mouse, but it is the combination of mutations in both genes that produces a mouse very light in color. "Thus, two different types of mutations in two di...Gene regulation, not just genes, is what sets humans apart
...the complex cross-talk that governs when genes are turned on and off, appears to be significantly different. Positive selection, the process by which genetic changes that aid survival and reproduction spread throughout a species, has targeted the regulation of many genes known to be involved in the brai...OHSU turns mouse into factory for human liver cells
...ive drug called NTBC, allowing liver disease to be turned on and off. "Our mice on this medicine are perfectly healthy, normal mice, and only when we take them off the NTBC do they get liver disease," Grompe said. "It's an easy system that any research lab should be able to set up, which is very different...What we can learn from the biggest extinction in the history of Earth
...eper, older ones. Since then, plate tectonics have turned these rocks on their side. Now, Payne and his colleagues can walk back in time across the formerly horizontal layers. Marine fossil beds such as these offer two advantages for someone studying broad patterns in the history of life, according to Pay...Other highlights in the Aug. 7 JNCI
...F2 that you get from your mother (which is usually turned off) is activated. This unusual activation occurs in about half of all Wilms tumors. Andrew Feinberg, M.D., of Johns Hopkins University in Baltimore and colleagues studied 59 Wilms tumor samples to determine whether this loss of imprinting is speci......he cover crop, all plant residues were chopped and turned into soil before planting the next corn crop. Growers are encouraged to plant cover crops since there are many other potential benefits, including reduced nutrient leaching, wind erosion, and improved soil quality. To promote adoption of the practice...Teamwork between 2 key proteins necessary for normal development and regulation of red blood cells
...ed on chromosome 11 in the order in which they are turned on or expressed. These genes include the epsilon-g... birth. Understanding how genes are regulated or turned on and off is critical. In gene therapy, a normal gene can be inserted into cells to correct a genet...New survey documents the headaches of computerized medicine
...tality rate to its CPOE systemmistakenly, it later turned outand when Cedars-Sinai Medical Center in Los Angeles, hospital of the stars, shelved its $34 million system after a staff revolt. An important goal of the current work, said the authors, is to identify the types of unintended consequences so that t...Forsyth scientists gain new understanding of adult stem cell regulation
... during embryonic development. In this study, they turned to the role of gap junctional signals as regulators of adult stem cells in repair of injury. Drs. Oviedo and Levin focused on direct cell-cell transfer of small molecules and ions as crucial signals that determine behavior of adult stem cells in vi...Discovery in plant virus may help prevent HIV and similar viruses
..." he said. "In some tissues the genes appear to be turned on in the same place. But, for example, in the flower, one gene is expressed in one particular place and the other gene is expressed in a different place." The key question for researchers is how blocking the function of one protein inhibits transc...New aerogels could clean contaminated water, purify hydrogen for fuel cells
... make a gel, we were amazed," said Kanatzidis. "We turned the flask upside down and nothing flowed." Generally, such reactions produce only uninteresting precipitates at the bottom of the flask, he said, so that in this case, "we knew we had something special." Kanatzidis and his co-workers recognized t...Geisinger scientist seeks cure for Lou Gehrig's disease, creating device to find treatment
...help to automate this process. Thats why Gerhard turned to the zebrafish and Bucknell University professor Joe Tranquillo and students Erica Andreozzi, Meredith Kalman and Emily Thiel. Several years ago, Gerhard started using the zebrafish, which can be easily bred and tends to exhibit diseases effects...Boston Univeristy bioengineers devise 'dimmer swith' to regulate gene expression in mammal cells
... tight off state. Even when genetic switches are turned off, a trickle of the protein that is meant to be ...toxin can kill a cell, but with the genetic switch turned off, the cells survived for weeks. When the researchers flipped the switch, toxin production was tri...U-M team identifies gene that regulates blood-forming fetal stem cells
..., but not in adult mice. They found that Sox17 was turned on in fetal and neonatal hematopoietic stem cells but not adult hematopoietic stem cells. To test whether Sox17 was functionally important for fetal and neonatal blood-forming stem cells, the researchers deleted the Sox17 gene in laboratory mice. T...Study identifies new gene therapy tools for inherited blindness
...ntrol when and where genes linked to blindness are turned on. "In its most basic form, gene therapy requires three components," explains Joseph Corbo, M.D., Ph.D., assistant professor of pathology and immunology and senior author of the paper. "You need to identify the gene that's mutated in patients and o...Genomic analysis uncovers new targets for HIV vaccine
... Two of the HLA genes, known as HLA-A and B, are turned off by HIV when it enters the body, which keeps th...us as foreign. HLA-C however is not thought to be turned off by HIV-1. The new results suggest that for some individuals at least HLA-C is involved in contr...MIT IDs link between brain tumor proteins
... normally active during human development, but its turned off in most adult cells. Until now, there had been no evidence of any cross-talk between c-Met and EGFRvIII in GBM. This discovery could offer an explanation for why GBM tumors are so invasive, because over-activated c-Met has already been implica...Nature's secrets yield new adhesive material
...erials. As reported in Nature, Messersmiths idea turned out to be correct. He and his colleagues designed a small nanopolymer array that mimicked the natural spatial patterns of the hair on the foot of a gecko. They then coated their creation with a thin layer of a synthetic compound. This unusual compo...Malaria -- Effective insecticide-repellent synergy against mosquito vectors
...es. As expected, the usual pyrethroid-treated nets turned out to be effective only against non-resistant mosquitoes of the first population. Conversely, the nets pre-soaked with non-pyrethroidrepellent combinations proved excellent protection for the people of the local villages, whatever the population of ...