Genetic mutations linked to the practice of burning coal in homes in China
... developing lung cancer in the future." The study analyzed sputum samples from the bronchial tract of 92 individuals who had no evidence of lung cancer and screened them for p53 and K-ras mutations. Damage to both p53, a tumor suppressor gene that prevents normal cells from turning into tumor cells, and K-ra...DNA barcode finds four new bird species
... the Royal Ontario Museum in Toronto, Canada, they analyzed COI sequences from 260 bird species that breed in ...lions of unknown organisms yet to be collected and analyzed by taxonomists. Although most unknown species live in tropical climates, even in a place as well tro...Tracing genes, biologists show lizard migration is traced to Florida
...e State as their site of export. The team analyzed a small region of DNA from more than 600 different... University graduate student Richard Glor, he then analyzed the introduced samples in comparison to the Cuban ones, not only in Florida but also in Hawaii, Taiw...Groundbreaking research could ignite new solutions to heat transfer in nano-devices
...r research shows that the surfactant layer must be analyzed in terms of its vibrational couplings, rather than by ordinary heat conduction. Their research provided the first detail of the precise pathways for interfacial vibrational energy in both time and space resolution. The paper, entitled "Vibrational e...Amyloid fibers sprout one step at a time
...he amyloid puzzle pieces assemble themselves. They analyzed the timing of the yeast prion protein assembly, and how that varied with different concentrations of the fiber and of the individual units, or monomers, that add to the growing fibers. The researchers also explored a particularly puzzling feature of ...Genetic modification of linseed produces healthier omega 3 and 6 fatty acids
...nces for fatty acyl desaturases and elongases were analyzed from a variety of organisms that produce very long-chain PUFA, including a fungus (Mortierella alpina), alga (Phaeodactylum tricornutum), moss (Physcomitrella patens), nematode (Caenorhabditis elegans), and another plant (Borago officinalis). DNA cod...Information system to help scientists analyze mechanisms of social behavior
...net, where all the world's knowledge can be easily analyzed across many sources."...Tips from the Journals of the American Society for Microbiology
... Using these new technologies, the researchers analyzed bacterial populations in fresh raw milk, and raw milk that had been refrigerated for 24 hours. "Many of the species identified after refrigeration were present in the initial sample. However, the relative proportions of bacterial...European common frog found to use novel mating strategy
...d the University of Amsterdam, The Netherlands, he analyzed the tissue samples genetically to show that clutch piracy leads to a greater percentage of fertilized eggs in the clutch, as well as clutches with as many as four fathers. Vieites noted that this unusual mating strategy is a good way for the frog pop...Columbia research to examine gene influence on severity of peridontal disease, therapy response
...inflamed gingival tissue from the patients will be analyzed to identify local patterns of gene expression in inflamed gums, and will be used to develop a novel classification scheme based on similarities in gene expression signatures. "In addition to providing insights into the pathobiology of periodontitis, ...Researchers report new gene test for isolated cleft lip and palate
...fect, and this was true in the populations that we analyzed from The Philippines, Denmark, and the United States." Based on a detailed analysis of 1,316 families, the scientists estimated that the risk of parents with this haplotype having a second child with isolated cleft lip and palate is about 12 percent...The impact of genetic variations on the treatment of early rheumatoid arthritis
...University of California, San Francisco, the group analyzed genetic and clinical data on 457 patients in the early stages of RA who participated in a clinical trial comparing weekly methotrexate, 10 milligrams twice weekly of the anti-TNF drug etanercept, and 25 milligrams of etanercept twice weekly (the curr...Newborns have ear preferences, too
...s to different kinds of stimuli. She and Sininger analyzed the data on infants' responses to two different kinds of 'otoacoustic emissions.' Otoacoustic emissions are sounds that are generated by the inner ear itself in the process of hearing. They can occur in an ear which is completely cut off from the r...Complex cells likely arose from combination of bacterial and extreme-microbe genomes
...latedness of living things." Lake and Rivera analyzed and compared the genomes of 30 microorganisms selected from the three categories (eukaryotes, bacteria and Archaea). All of the microbes contained about the same number of genes. The researchers then used the computer to produce genome combinations...Do genes respond to global warming?
...tic diversity. Elizabeth Hadly and colleagues have analyzed three different dynamic processes--environmental change, population response, and gene diversity fluctuations--and report that climate change influences variation in genetic diversity. Focusing on two mammal species--the Montane vole and northern poc...Single isolated mouse skin cell can generate into variety of epidermal tissues
...he stem cells that our group and other groups have analyzed so far," says Blanpain. "These genes are likely to represent stemness -- the ability to maintain themselves as well as to differentiate -- and that is very interesting because it suggests that different stem cells of the body have certain similaritie...Men from early middle ages were nearly as tall as modern people
...ving standards during the last millennium. Steckel analyzed height data from thousands of skeletons excavated ...sue of the journal Social Science History. Steckel analyzed skeletal data from 30 previous studies. The bones had been excavated from burial sites in northern E...Analysis of biological clock may lead to greater understanding of human disease
...plex Technical Systems, in Magdeburg, Germany have analyzed the mechanism of genetic circuits by which the fruit fly regulates its circadian rhythm. The results are published in the August 30 Proceedings of the National Academies of Science. The mechanism controlling the biological clock generates a complicat...How an insidious mutation fools DNA replication
...he DNA in the crystal. The series of crystals they analyzed constituted snapshots of the polymerase's function.... The biochemists encountered a surprise when they analyzed the polymerase crystals with either the correct or mismatched nucleotides. "We saw that, ironically,...Environmental costs of home construction lower with wise choice, reuse of building materials
... fossil fuels. Two designs of typical houses were analyzed in the study by the Consortium for Research on Renewable Industrial Materials, a research group started by 15 universities and research institutes, see http://www.corrim.org/ . The $1 million effort was supported by those institutions, the United St...