Atomic-resolution structure of a ribozyme yields insights into RNA catalysis and the origins of life
... uniquely arranged and poised for catalysis in the context of an intricately twisted and folded segment of RNA. The new findings are described in a paper by graduate student Monika Martick and her adviser, William Scott, associate professor of chemistry and biochemistry, in the July 27 issue of the journal C...Hopkins researchers develop new tool to watch real-time chemical activity in cells
... us how and what is actually happening in a normal context and time span when a chemical is added," says Jin Zhang, Ph.D., an assistant professor of pharmacology and molecular sciences in Hopkins' Institute for Basic Biomedical Sciences. Testing chemicals on enzymes in living cells provides the opportunity...DOE JGI sequences, releases genome of symbiotic tree fungus
...interaction between these two symbionts within the context of the changing global climate." "Characterization of the interactions between poplar and its symbiotic associate, Laccaria bicolor, allows us to explore the coordinated response to environmental stressors, such as drought and extreme temperature, ...Iowa State researcher studies gene families to explore diversity and evolution
...g to do is provide an ecological and environmental context for genome evolution," he said. "And what I continue to see is that these ecological factors can play a really large role."......y and might contribute to enhanced learning in the context of novelty," they concluded. Finally, they said their findings raise the possibility that selective brain injury to the hippocampus could eliminate the positive effects of novelty in such patients and constitute one source of reduction in recogniti...Amphibian declines, disease ecology, biodiversity are highlighted at conference
...Ecological ethics: examining the neglected ethical context of ecological decision-making." An interdisciplinary group of environmental ethicists and ecologists will discuss new approaches to science ethics that involve ecology. Weds, Aug. 9, 8-10 p.m., Ballroom D, Ballroom Level. NEON at the Startin...UAF hosts symposium on human-fire interactions
... trying to put questions of fire management into a context that includes human needs, environmental concerns, and the realities of politics and policy," Fresco said. "We will use this symposium as a vehicle to communicate some of our preliminary findings and present a framework for beginning to deal more f...New findings offer more complete view of breast cancer gene mutations in US population
...nes. These predictors need to be considered in the context of each woman's complete family health history." ...Brain enzyme treatment relieves memory lapse in Alzheimer's mice
... inhibitor and control mice were placed in a novel context (a fear-conditioning box) and exposed to a tone paired with a mild foot shock. Their ability to learn fear was tested 24 hr later by measuring "freezing" behavior in response to the box or the auditory cue. Contextual versus cued responses represent ...First human study confirms that immune cells can be a primary cause of bone loss in gum disease
...dontal bacteria is protective or pathogenic in the context of gum disease. Periodontal disease is an infection of the teeth, and their supporting structures, which results in soft tissue and bone destruction, leading to tooth loss. Dr. Kawai and his colleagues had found that B cells (B and T lymphocytes are...UW-Madison researchers find new way to 'sweeten' key drugs
...rson argues. "It is going to be very useful in the context of these kinds of molecules." What's more, according to Thorson, the technology required to create the new compounds is simple and scalable, which may make it more attractive to the pharmaceutical industry. "The process is very efficient," Thorson ...JCI table of contents: September 1, 2006
...he National Institutes of Health puts this work in context with other recent advances and outlines the work that remains before we can fully understand how high levels of cholesterol precursors cause disabilities. TITLE: Severe facial clefting in Insig-deficient mouse embryos caused by sterol accumulation...New breast cancer screening tool helps general practitioners
... testing of appropriate family members." In the context of developing comprehensive breast screening tools for the general practice, the authors assert that "such a strategy could be effectively employed by combining the Gail model with a tool like the PAT."...Define 'precautionary principle' to avoid clashes over biotechnology under World Trade rules
...lating to genetically modified products within the context of dispute settlement in the WTO," he adds. "The seriousness of these disputes and the importance of the technology threaten great damage to international cooperation and law," says UNU-IAS Director A.H. Zakri. "More and more commentators are be...Evolutionary software to be released free of charge
... at the U. of I. "By placing bioinformatics in the context of evolution, we can also perform comparative dynamics studies of proteins from different domains of life." Currently, more than 3 million sequences and 35 thousand structures of proteins and nucleic acids are available for study. By providing an env...Bitter taste identifies poisons in foods
...uble-edged sword, depending upon the physiological context of the individual eating them. Most people in industrialized cultures can and should enjoy these foods. In addition to providing essential nutrients and vitamins, many are reported to have anti-cancer properties." Lead author Mari Sandell commen...Study details structural changes of a key catalytic enzyme
...b-state. "Our study can be placed in the broader context of the catalytic cycle," Wright said. "The results imply that for each of the intermediates in the catalytic cycle of DHFR, the lowest energy excited states are the most functionally relevant conformations. The enzyme structure responds to ligands by...USGS at The Wildlife Society: From sea-ice change to contaminants to predators and prey
... Assessing bird occurrence and migration in the context of wind development: Two Projects:Coastal and offshore seabird populations. Offshore wind-generated electricity promises to be an important source of renewable energy for the future; however, wind energy development may be in conflict with coasta...IUFRO conference on forest landscape restoration
...of forest landscape restoration within the broader context of land use or sectoral planning, land management, and different social and policy contexts? Are there restoration planning processes or techniques that accommodate the diverse and sometimes conflicting aspirations of stakeholders?) Ecosystem Serv......interdisciplinary character of this field. In this context many issues will be addressed: How can nano scale research improve the quality of life? Will future energy problems be powered on nano-scale? How will converging nanosciences transform information society? And finally how can we better structure the...