A test case for DNA barcodes to identify species
...y controversial, with critics questioning both the method and its applications. As Craig Moritz and Carla Cicero from the University of California, Berkeley, also point out in the correspondence section of this issue, the Hebert et al. study is "not yet a definitive test of the utility of DNA barcoding for ...Hidden diversity: DNA 'barcoding' reveals a common butterfly is actually 10 different species
...looked remarkably similar. When the centuries-old method of telling insects apart -- the examination of the...conclusive, the team turned to a recently emerging method for discriminating species: DNA "barcoding," In much the same way that supermarket barcoding can d...Researchers devise potent new tools to curb ivory poaching
...om one location to another, and used a statistical method to extrapolate genetic signatures to fill in gaps ...t those for which information is unavailable. The method allows a DNA sample to be assigned to a fairly specific location, with a relatively high confidence ...UCI scientists successfully target key HIV protein; breakthrough may lead to new drug therapies
... more detail, see "About the Research.") While the method was successful, Weiss said the molecules identified proved toxic to cells. He is now seeking to develop less toxic compounds that will have high potencies against Nef without causing collateral damage. A key benefit of this achievement, he added, wou...New sequence involved in DNA replication timing may aid in cancer detection
...for DNA replication timing may eventually become a method for the early detection of cancer. "Replication timing assays are one of many promising techniques that are currently being studied that may, in the future, allow much earlier cancer detection than is possible today," concluded Huberman....Females may be more susceptible to overindulge 'sweet tooth' cravings than males
...o overeat? And could exercise be a less effective method of appetite suppression in women than in men? Researchers at The Florida State University say the answer could be yes. Overeating (hyperphagia) and sedentary behavior are known risk factors for obesity, but research in these areas especially ove...New fossil sheds light on old mystery
... may have been part of a unique and very effective method for capturing prey in water. Dinocephalosaurus orientalis, which means "terrible-headed lizard from the Orient," was recently discovered in southern China. It has a neck made up of 25 vertebrae, again with elongated cervical ribs extending along them...A novel, safer strategy for regulating gene expression
...veral children treated with gene therapy, this new method adds an important new safety feature to the gene therapy toolbox," says Mulligan, who is also a professor of genetics at Harvard Medical School. Dr. Laising Yen and other members of Mulligan's laboratory began by evaluating hundreds of known ribozyme...Study explores gene transfer to modify underlying course of Alzheimer's disease
...s used to deliver NGF in both studies, the precise method of drug delivery in the Rush study has been modifi...vanitakis. Until recently, there was no practical method to deliver NGF to the specific areas of the brain where neurons were degenerating in Alzheimer's dis...AAAS expert panel calls for voter-system research and reform
...ty Election Commission in LittleRock, Ark. "If the method of voting is made toocomplex for a poll worker to manage, it can createmore problems than are solved." Panelist GeorgeGilbert, director of elections for the GuilfordCounty Board of Elections in North Carolina, putit more tersely: "The system is a Rub...Popular Science announces Third Annual 'Brilliant 10'
...ke noise and is helping develop a physiology-based method to predict what each lobster species would sound l...n consumed Svoboda for years, until he pioneered a method for observing a single brain cell in a living creature over time. By creating a microscope powerful ...JCI table of contents September 15, 2004
...point mutations in this system. They utilize this method to identify a new cause for a lethal neonatal disease. The strategy makes use of cell-fusion experiments where cells from different patients are fused and the authors ask whether the fused cells are no longer defective -- this means the cells can co...Venn diagram tactics to vet complex disease
...point mutations in this system. They utilize this method to identify a new cause for a lethal neonatal disease. The strategy makes use of cell-fusion experiments where cells from different patients are fused and the authors ask whether the fused cells are no longer defective -- this means the cells can co...A liking for sweets, combined with novelty seeking, may predict alcoholism
... and for a lay person, added Garbutt. First, this method is not being proposed as a means to diagnose alcoholism. Rather, I would view the significance of the findings as contributing to our ability to understand subtypes of alcoholics and that, in turn, could have implications for treatment although any...Genetically modified bacterium as remedy for intestinal diseases
...e therapeutic action of IL-10 bacteria. Thus, this method of working with genetically modified bacteria offers promising prospects for the treatment of both acute and chronic intestinal inflammation, and it can potentially be extended to other therapeutics as well....TANGO: towards faster prognosis of Alzheimer's and Parkinson's diseases?
...search group, have developed TANGO - a statistical method that can predict the susceptibility of proteins to sticking together. Thus, for the first time, TANGO enables the prediction of risky protein alterations that underlie this group of diseases. When protein structure goes awry All living creatures, i......ome highly organized epithelial cells. They used a method that they had previously developed for introducing DNA into somitogenic cells by electroporation to study the role of a group of molecules known as Rho-family small GTPases. This family, which includes Rho, Rac and Cdc42, is known to play an importan...NJIT professor receives Presidential Award for breakthrough research with adult stem cells
...h surgeries, patients lose their limbs. But if her method of implanting stem cells mixed with biomaterials is shown to induce bone repair, amputation may not be necessary. Stem cells could also help patients suffering from osteoporosis, whose fractured bones can be regenerated by the cells. Perhaps most imp...Early detection hope for eye disease
...hat uses spectral imaging, a non-invasive and safe method of taking pictures of the retina, to study the blood vessels of the eye and reveal the presence or progression of any disease. They modified a standard ophthalmoscope, adding a liquid crystal tuneable filter, which allowed them to take images of the ...Sandia experiments may reduce possibility of future water wars
ALBUQUERQUE, N.M. - A method that uses roughly only one-hundredth the fresh wat... untapped solar energy to the electrical grid. The method for lessening water use is being tested by 42 wireless sensors being installed in a forage-growing h...