Not all industrial sectors respond the same way to changes and shocks
...ties need to be avoided." Many biotechnology firms believed that the majority of economic changes had only a negligible impact on them and almost never influenced important decisions, particularly about the development and commercialisation of science. However, one economic variable, the decline in the stock ...U-M scientists discover identifying markers for primitive blood-forming stem cells
...d the spleen," Morrison explains. "Most scientists believed they stayed in close contact with cells called osteoblasts, which line the inside of hollow cavities in bone that contain bone marrow. Using SLAM markers, we discovered hematopoietic stem cells also congregate in the sinusoidal endothelium porous ce......re modified flexible, randomly structured regions believed to be only minor players in the protein world they become important in turning genes on and off, but in a way that resembles a dimmer switch rather than an on-off switch. Genes carry the code that produces proteins to carry out almost all function...Targacept compounds show long-lasting improvement in cognition
...ble for learning and memory and initiate a cascade believed to precipitate lasting cognitive enhancement," added Dr. Bencherif....New results validating Pall prion reduction filter disclosed at ISBT Congress
...ly transfused blood component. Abnormal prions are believed to be the causative agent of vCJD. The status of evaluations of the new filter system by blood authorities in Europe were also reported. Both the Irish Blood Transfusion Service (IBTS) and the English National Blood Service (NBS) are currently eva...Using the genomic shortcut to predict bacterial behavior
...terial conjugation bridge. Previously, researchers believed that intracellular bacteria did not exchange genetic material with each other. But Ogata explains that the new findings "forced us to change this static view." In addition to conjugation, the researchers found evidence of other mechanisms for the ba...Nerve protector could make for new stroke treatments
...Notre Dame developed SB-3CT and related new drugs, believed to be "smarter" antagonists to block MMPs. Using the new drug, the research team led by Lipton and Gu found that SB-3CT protected against brain damage in mice undergoing a stroke, compared to mice that did not receive the molecular treatment. In SB...How HIV disables the cells' call for help
...t of the cell membrane to infect other cells. Many believed that the very act of breaking into T cells and hijacking their DNA was enough to destroy the ability of these cells to call up immune support. But Institute scientists Prof. Yechiel Shai of the Biological Chemistry Department, Prof. Irun Cohen of th...Trio of plant genes prevent 'too many mouths'
...aken up by the Earth's plants. Scientists already believed that part of the signaling pathway for stomata production included the receptor-like protein Too Many Mouths, so called because when absent the plant makes too many stomata, or mouths. Scientists were searching for a single stomata gene that had to ...DNA from feathers tells tale of eagle fidelity
...e their smaller songbird cousins, most raptors are believed to be truly monogamous, and this study provides the first genetic confirmation of monogamy in at least one species, DeWoody said. "It's very likely that other raptor biologists will follow this with similar studies on other species of interest like b...Ancient diets of Australian birds point to big ecosystem changes
...r. The earliest human colonizers in Australia are believed to have arrived by sea from Indonesia about 50,000 years ago, using fire as a tool to hunt, clear paths, signal each other and promote the growth of certain plants, Miller said. More than 85 percent of Australia's large mammals, birds and reptiles w...Study in Royal Society journal on world's only horned rodent
...Dr K Ito and Dr RS Seymour Thermogenesis has been believed to require mitochondrial uncoupling protein (UCP) in mammals and alternative oxidase (AOX) in plants. In the present study, we have found that the genes for both proteins are expressed in thermogenic plants, but the type correlates with the respirato...Researchers identify genes associated with lung transplant rejection
... to breathe. The exact cause is unknown, but it is believed to be related to rejection of the lung by the recipient's body. "For lung transplant patients, the biggest barrier to long-term survival is control of rejection," says principal investigator George Caughey, MD, head of Pulmonary and Critical Care Med...Primate virus jumps species barrier to humans for first time in Asia
...ood. HIV, the virus that causes AIDS in humans, is believed to have originated as simian immunodeficiency virus (SIV), and jumped the species barrier to humans when African bushmeat hunters came into contact with blood from infected animals. Though bushmeat hunting and consumption may be a significant factor...UF study finds cell mutations that lead to apoptosis may contribute to aging in mammals
... themselves. The finding disproves the previously believed mitochondrial "vicious cycle" theory of aging, whi... which is one cause of aging. "It was previously believed that the more mitochondrial mutations you have, the more free radicals you're going to produce," sai...Genome sequences for three deadly parasites provide foundation for new drugs
...nt in all three in a similar order. "Initially, we believed that the gene organization among the parasites would be very different, but 70 percent of the genes occur in the same order," Myler explained. "The core genome of all three is very similar with the differences mainly at the end of chromosomes. So tha...Comparative chromosome study finds breakage trends, cancer ties
...rich clay between the rocks of the two periods, is believed to have resulted from a massive comet or asteroid strike. The study's data, Murphy added, provide a potential link between post-K-T isolation and the accelerated development of species-specific chromosomes. Since the K-T extinction, rates of chromoso...Fluorescing lab worms signal longer life spans, reports CU-Boulder team
...ystem and set them for maximum longevity, which is believed to be about 120 years."...The genetic origins of corn on the cob
...r noticed a plant so unusual that it was initially believed to be a new species. Its "peculiarly shaped ear" was "laid aside as a curiosity" and the specimen was designated Zea ramosa (from the Latin ramosus, "having many branches"). Due to the alteration of a single gene, later named ramosa1, both the ear an...Evolution of taste receptor may have shaped human sensitivity to toxic compounds
...he harmful compounds found in nature. It is widely believed that behavioral and dietary choices may have reduced the importance of such chemical perception in higher primates, and particularly in humans. In new work, researchers including Nicole Soranzo of University College London and Bernd Bufe of the Germa...