HHMI researchers Richard Axel and Linda Buck win 2004 Nobel Prize
...hree per cent of human genes) that give rise to an equivalent number of olfactory receptor types. These receptors are located on the olfactory receptor cells, which occupy a small area in the upper part of the nasal epithelium and detect the inhaled odorant molecules. In 1991 Axel and Buck--who was then a postd...World's top theoretical physicists converge to consider 'future of physics'
...ramming," said Gross, "to provide the intellectual equivalent of a lightning rod for physics and all its unfolding 21st-century ramifications--in terms of string theory, quantum computing, nanoscience, bioinformatics, and neural networks--as well as for developments in the more traditional fields of 20th-centur...Award-winning INEEL probe to help safely monitor hazardous waste sites
... of acceleration and 30 tons of direct push -- the equivalent of surviving a high-speed car crash while having four grown elephants on top of it. Since GEOPS will withstand forces of a direct installation, workers can bypass risky digging. They can push its casing straight into waste sites, Clark says, or else ...INEEL uses extremophile bacteria to ease bleaching's environmental cost
...ects cells from oxidative stress -- the biological equivalent of rust. But industrial waters can push enzymes to their limit. Most commercial catalase enzymes hail from organisms that prefer moderate temperatures, such as cows and fungi; high temperatures and high pH of industrial processes destroy these enzyme...Mouse study: 'Critical' Down syndrome region isn't
...und that mice with three copies of just their DSCR equivalent actually had facial and skeletal changes opposite of those seen in Down syndrome. "These mice weren't normal, but they weren't Down syndrome mice, either," says Reeves, whose lab had already spent 15 years studying the mouse version of DSCR. "Their ...Latest buzz in research: Intoxicated honey bees may clue scientists into drunken human behavior
...rom 10 to 100 percent. The 10 percent solution was equivalent to drinking wine, Wright said, while the 100 percent solution, which contained no sucrose, was equivalent to drinking 200-proof grain alcohol. A group of control bees was given sucrose only. The scientists ...Calorie restriction leads to some brain benefits but not others in mice
...ld. One year for mice is roughly the physiological equivalent of 40 years in humans. The animals were injected with a fluorescent dye that changes color when it interacts with a free radical called superoxide. The researchers studied brain slices from the three groups to measure levels of superoxide in specific...Structure of new DNA enzyme family member found
...image." Structural protein chemists don't have the equivalent of a microscope's objective lens, so they "refocus" the image using computers.When the Ealick group compared the AIRs kinase protein to other known protein structures, they found that the shape was similar to other members of riboside kinase protein ...For yeast, a DNA break ensures sex switch for a grandchild
... genomic site that controls mating type, the yeast equivalent of gender. When yeast cells divide, their progeny receive the same genomic DNA, yet the fate of the cells of the next generation will not be identical. One of the two daughter cells will produce a granddaughter cell that has switched its sexual m...New Royal Society journal studies
...shows that the same genes are deployed in trout at equivalent stages of tooth development. We conclude that the genes needed to build a dentition are conserved from fish to mouse and notably are repetitively used for all generations of teeth, from the mouth margins to rear gill arches. Thus a molecular tool kit...Delays in cutting greenhouse gasses could harm environment
...goals: stabilizing all greenhouse gasses at levels equivalent to 500, 600 or 700 parts per million of carbon dioxide, which is the chief human-caused greenhouse gas. The current level of carbon dioxide is 380 parts per million; before the industrial revolution it was 280. For each of the targets, the researcher......e "Mars-like soils" of the Atacama's core were the equivalent of the "dry limit of microbial life." Maier said, "We are saying, 'What is the dry limit of life?' We haven't reached it yet." The Arizona researchers will publish their findings as a letter in the Nov. 19 issue of the journal Science. Maier's ...Random gene activation helps ulcer bug escape immune system
...strain doesn't make BabA protein at all, making it equivalent in that regard to about one-third of all the other...BabA gene into BabB, providing themselves with the equivalent of a working BabA gene and its protein product. BabA-BabB gene recombination is relatively rare beca...Scientists first to grow common cause of food poisoning in the lab
...r microbiology. "If this part of the capsid has an equivalent in human noroviruses, altering or disabling it may give us a way to produce forms of the viruses that are weak enough to serve as vaccines." According to the U.S. Centers for Disease Control and Prevention, noroviruses are involved in about half of ...Psychological stress and disease: UCSF-led study suggests connection
...l stress-- across both groups -- had undergone the equivalent of approximately 10 years of additional aging, compared with the women across both groups who had the lowest perception of being stressed. The highest-stress group also had significantly decreased telomerase activity and higher oxidative stress than ...Study in Royal Society journal on possible genetic factors in social responsiblity
...shows that the same genes are deployed in trout at equivalent stages of tooth development. We conclude that the ...symmetry in inbreeding depression for functionally equivalent traits raises questions about the generality of the standard evolutionary explanation for difference...Citrus shows promise for certain childhood cancer
...micromoles of limonoids. A micromole is about the equivalent of a tiny skin flake. Some limonoids were more effective than others, but all had killing potential. These amounts of limonoids could easily be obtained from a glass of orange or grapefruit juice. Next, cell viability tests aimed at whether the ce...NIH makes award to UNC for Genome Fingerprint Scanning program
...Director Judith L. Vaitukaitis, M.D. "This is the equivalent of being able to harness a whole library of information without an index." Current software for protein identification is limited mainly to those for which a gene or protein entry exists in one of the public databases. Protein identification cannot ...Cigarette smoke a culprit in poor healing and increased scarring
...ood. Using doses of cigarette smoke equivalent to "first-hand" and "second-hand" exposure in humans, Martins-Green and her colleagues focused on the structure and function of fibroblasts, both in mice and in human tissue culture. Fibroblasts secrete many proteins that compose a ...Neural crest stem cells in skin could provide alternative to embryonic stem cell use
...and pigment cells. Preliminary data indicate that equivalent stem cells reside in human hair follicles. "The goal of our research is to apply neural crest stem cells from adult hair follicles in cell replacement therapy in selected instances," Sieber-Blum says. This may include, spinal cord injury, Parki...