DNA lends scientists a hand, revealing new chemical reactions
...s, led by Harvard University chemist David R. Liu, report this week in the journal Nature that their system for reaction discovery, driven by DNA-templated synthesis, is so efficient that a single researcher can evaluate thousands of potential chemical reactions in a two-day experiment. "A conventional appr...Cardiac arrest may hinder ability to learn certain tasks
...s and other behavioral changes that patients often report following an attack." The study appears in a recent issue of the European Journal of Neuroscience. Mice were put into two groups one group underwent surgically induced heart attacks, while the other group, the control group, underwent the same...4 October press briefing to focus on minority recruitment to science and engineering programs
...ain under embargo until the time of the event. The report is being released as "U.S. universities are being ...rgeted recruitment is still perfectly legal," said report co-author Shirley M. Malcom, director of Education & Human Resources at AAAS. Emerging from a rece...A test case for DNA barcodes to identify species
...o other sequences within that species. The authors report that the genetic barcodes therefore "separate individuals into the categories that taxonomists call species." As their technology matures, it could radically advance biologists' attempts to achieve the long-standing goal of cataloging life on ear...Evidence builds for potential new cancer drug target
...Academy of Sciences, Temple University researchers report that one of the functions of the c-myb gene, which leukemia cells depend on for proliferation, is the formation of white blood cells. "This study is another step in the process of validating the c-myb gene as a potential target for new cancer drugs...Hidden diversity: DNA 'barcoding' reveals a common butterfly is actually 10 different species
... the surviving species?" Janzen and his colleagues report their findings in the Sept. 29 issue of the Proceedings of the National Academy of Sciences. Their research began during 25-year-long inventory of the wildlife in the Area de Conservacin Guanacaste, a large conservation zone of dry, rain and cloud f...Veterans with Gulf War syndrome have damage in specific, primitive portion of nervous system
...m Gulf War syndrome. UT Southwestern researchers report that damage to the parasympathetic nervous system ...cal stores during and after the Gulf War. A recent report from the Government Accountability Office confirmed that exposure to low-level sarin in the 1991 Gul...Indiana University, EPA to study airborne PCBs
...ert on environmental toxins, co-authored a Science report in January that showed that PCBs and other toxins exist at high levels in much of the world's farmed salmon. The scientists found that wild salmon tended to be less contaminated. Another study, published last year in the National Institutes of Health...Researchers create nanotubes that change colors, form 'nanocarpet' and kill bacteria
...rm, self-assembled nanotubes but creates what they report as the first "nanocarpet," whereby these nanotubes organize themselves into an expanse of upright clusters that when magnified a million times resemble the fibers of a shag rug. Moreover, unlike other nanotube structures, these tubes display sensitiv...Keep genome data freely accessible
...available on the internet--and supports the recent report by the US National Research Council recommending that such information should remain freely accessible to all. The editorial comments: 'But while free and open access to these data is a boon to science, it carries some risk: among the genome sequence...A long-necked sea predator from China described in Science
...nprofit science society. The creature is the first report of a fully marine member of a diverse reptile grou...xibility seen in herons, for example.) The authors report that Dinocephalosaurus' long neck presumably served a functional role in hunting and present two pos...March of Dimes statement on newborn screening report
... Dimes today issued the following statement on the report on newborn screening prepared for the Maternal and...s. The March of Dimes strongly commends the ACMG report for advancing the field of newborn screening, defining a uniform panel for newborn screening, and pr...'Smart antibiotics' may result from UCLA research
... treating bacterial diseases. UCLA microbiologists report the discovery of a new class of genetic elements, similar to retroviruses, that operate in bacteria, allowing them to diversify their proteins to bind to a large variety of receptors. The team discovered this fundamental mechanism in the most abundan...Experimental drug shown to block mutant protein causing blood disease
...urns into an acute leukemia that can be fatal. The report appears in this week's Online Early Edition of the Proceedings of the National Academy of Sciences . Jing Chen, PhD, of Brigham and Women's, and Daniel J. DeAngelo, MD, PhD, of Dana-Farber, are the paper's co-first authors. D. Gary Gilliland, MD, Ph...Environmental decontamination, greenhouse gases, and the genome of a methane-loving bacterium
...ology, evolutionary biology, and molecular biology report the complete genome sequence of Methylococcus capsulatus and shed light on the metabolism and biology of this ubiquitous microbe. The genome appears well-equipped to meet the specialized needs of this methanotroph. Ward et al. found evidence of ...Scientists decipher genetic code of biothreat pathogen
... Research (TIGR), said the new study, along with a report on the related bacterium B. pseudomallei published in the same issue of PNAS, "has dramatically increased our understanding of the biology and pathogenicity of these very sophisticated pathogens." Even though the symptoms of glanders have been kno...Genes expose secrets of sex on the side
...rom mother to daughter. The researchers report their findings in two related articles, one in the online early edition of the October issue of Nature Genetics and one in an upcoming edition of Molecular Biology and Evolution. The research was funded by the National Institutes of Health. ...Genetic modification of linseed produces healthier omega 3 and 6 fatty acids
...ated fatty acids (PUFA) in seed. This is the first report of the successful engineering of very long chain PUFA into an oilseed crop, and is an excellent example of how genetic engineering of agronomically important species can provide real benefits to human health and nutrition and the environment. In rese...Researchers develop fast track way to discover how cells are regulated
...ator at the University of California at Santa Cruz report they have developed a unique computational approach to investigate a regulatory network for gene expression that is implicated in cell growth and development. The study was published today in the journal Science. "When studying the genome of any or...Tips from the Journals of the American Society for Microbiology
...borne diseases, say researchers from France. They report their findings in the September 2004 issue of the journal Applied and Environmental Microbiology. "Until recently, the bacterial community of raw milk was described by classical microbiological methods, which are generally long and ted...