UT Southwestern postdoctoral researcher wins international Young Scientist Prize
...t, chairman of biochemistry at UT Southwestern, as playing a big role in his success. "A lot of my accomplishments are the result of collaboration with other researchers in Dr. McKnight's lab. This was essential to getting the work done," he said. "One of the biggest reasons for my success is the environment...Ozone produced by antibodies during bacterial killing and in inflammation
...is reporting that antibodies can destroy bacteria, playing a hitherto unknown role in immune protection. Furthermore, the team found that when antibodies do this, they appear to produce the reactive gas ozone. "[Ozone] has never been considered a part of biology before," says Lerner, who is Lita Annenberg Ha...U-M researcher calls for new approach to biological disarmament
...ly has biological weapons and the role the U.S. is playing in the development and control of such weapons are addressed in a new book edited and co-authored by Susan Wright, a researcher at the University of Michigan's Institute for Research on Women and Gender. Wright is the project leader of an internation...A new twist on an age-old problem: Making knee replacements last
...s to be able to resume their favorite activities - playing tennis or going on walks - without limitations or fear of wearing out their new knees prematurely," Fregly said. One problem is the current technology to test new implant designs is ineffective, Fregly said. Simulators designed to highlight the place...Polluted beach closures influenced by full moons and sunlight, surfer-engineer discovers
...I grew up in Oahu, so I grew up swimming, surfing, playing in the water and diving.'' After graduating from high school, Boehm moved to Southern California, where she earned an undergraduate degree at Caltech and a doctorate in environmental engineering at the University of California-Irvine. Much of her fre...When it comes to sperm competition, size can matterits the female who holds the aces
... reaches the elusive egg, females control both the playing field and the rules of the game, according to a new study on male sperm competition vs. female choice to be published in the Nov. 8 issue of Science. "Our study demonstrates, unambiguously, the active role females play in determining the conditions ...Duke ecologist's book offers hopeful view of Earth's plight
...tion on greenhouse gases or such chemicals is like playing Russian roulette," Jackson said. "True, instead of six chambers in the gun, we might have a hundred or a thousand, but we keep pulling that trigger. I don't like to play Russian roulette with the only life-support system we have." However, victories ...Alzheimer's, nutrition, smallpox, and other 'Human Health Frontiers' addressed by AAAS speakers
...ckville, MD. "Horizontal gene transfer is probably playing a larger role than we had appreciatedThe propensity of microbial species to take up DNA has implications for understanding the emergence of virulence." Fraser suggested said that scientists have begun to discuss the creation of a "pathogen database" ...Natural insecticide identified as potential cancer prevention agent for early stage lung cancer
...cules that promotes the survival of tumor cells by playing the critical role of controlling the balance between survival and apoptosis (programmed cell death). The study investigated the effects of deguelin on cells representing different stages of lung cancer, and characterized the ways in which deguelin wo...Crucial gene found for embryonic stem cell maintenance
...ass and its derivatives. "We believe that Foxd3 is playing a role in maintaining stem cells in an undifferentiated state by regulating the expression of other genes. If we consider the possibilities of using stem cells for therapeutic approaches, it is crucial to understand the factors that provide a stem c...Study reveals clues to brain development
...ain coordinates visually guided movements, such as playing sports or eating a meal. To determine how visual stimulation shapes brain architecture, the researchers engineered individual cells of the optic tectum to express a naturally fluorescent protein called Green Fluorescent Protein (GFP). GFP floats free...Genentech tops Science survey of best biopharma employers
... company mentioned in the study, which leveled the playing field between younger firms and well established companies....Genetic diversity necessary for optimal ecosystem functioning, according to UGA research
...m," said Hunter. "Therefore, deforestation is like playing Russian roulette with our future. We know that relying upon fewer trees to recycle nutrients will make a difference, but we don't know what kind of difference. It's a chance I don't think is worth taking." Madritch and Hunter are convinced that conse...Ira Rubinoff honored by the Association for Tropical Biology
...ion in Panama and other developing nations. After playing a crucial role in the establishment of Panama's Soberania National Park, he negotiated agreements to guarantee the continuity of Barro Colorado Island as a research station and to create the larger Barro Colorado Nature Monument. For these efforts, ......rs of Ras-mediated tranformation, with PI3-kinases playing a supporting role. Scientists were thus led to believe that Ras-mediated tranformation of human cells would follow a similar route. Dr. Counter and colleagues show that this is not the case. To study Ras tranformation of human cells, Dr. Counter and ...Retroviruses shows that human-specific variety developed when humans, chimps diverged
...iguing because it suggests that rather than simply playing a role in human evolution, retroviral elements may actually be implicated in the leap from chimpanzees to humans. Until a mere 50 years ago, scientists thought all genes worked from a stable position along a chromosome. That idea, however, began to c...Research to estimate pesticides' effects on children
... contact with harmful particles while crawling and playing in household dust or tracked-in soil. He said that, unlike adults, children are far more sensitive to low concentrations of toxic chemicals because of their developing organs, high metabolism and high skin-surface-area-to-body-weight ratio. "In a gr...Stanford researchers switch off cancer gene; trick cells to self desruct
...nt mechanisms. Depending on which role the gene is playing in the cell, the effects of shutting it off may vary. "We are trying to understand the genetics of when shutting off MYC will work," Felsher said....Fried green tomatoes: Transgenic tomatoes reveal critical component of thermotolerance
... a specific function, HsfA1 is the most important, playing an dominant role in the ability of tomatoes to respond to high temperatures. Further delineation of the tomato heat stress response will be of undoubted interest to agricultural biotechnologists as they look for ways to manipulate tomato growth and r......if we know the structure of a molecule we think is playing a role in cancer, is to make a small molecule in chemistry that can affect the protein's activity, then test the small molecule in clinical trials," Cerione said. "The first step is to be in a position to obtain molecular information about these impo...