Mutated protein combination tied to excessive sugar production
...ONResearchers at Dana-Farber Cancer Institute have traced runaway sugar production in the liver an important feature of diabetes to flaws in a two-protein combination at the heart of a molecular switch that responds to insulin. The findings, to be posted by the journal Nature on its Web site on May 18, su...Phage therapy could remove foodborne disease from livestock
... water; more than 75% of the cases can be directly traced to contamination from carrier ruminants. The most recent data suggest that about 28% of the cattle presented for slaughter in the US harbour O157:H7, and similar numbers have been reported in Canada and Europe. The livestock show no signs of illness ...Seaweed uses chemical warfare to fight microbes
...rdinarily potent antifungal activity that could be traced to exceedingly low concentrations of an antifungal compound in the seaweed. Suppressed growth of microbes in the samples suggests that a natural antimicrobial compound is at work, Kubanek explained. We have discovered a new antibiotic with a complex ...How plants get made in the shade
...proteins, but that it switches on genes. They also traced the protein to the nucleus of the plant cell, where it could serve as a gene activator."This is a foot-in-the-door study," said Chory. "We don't really know exactly what pft1 does, but it's in the nucleus and it has domains that indicate it must inte...UCI biologist proposes trimming some branches
...k." For most of the 20th century, scientists have traced our human lineage through three Hominid branches -- Australopithecus, Paranthropus and Homo. During the past eight years, however, fossil findings have led researchers to propose adding four new branches to the Hominid tree -- Ardipithecus, Orrorin, ...DNA profiling used on cannabis plants
...ana from somebody with terrorist ties, it could be traced back to that person," warns Gary Shutler of the Washington State Patrol's crime laboratory division. On the other hand, he says, where medical uses of marijuana are legal, the technology could help characterise strains with the desired medicinal pro...17-year study confirms that lead in the soil descends slowly
...the first time at this field site, the researchers traced several varieties of lead with different atomic we... lead isotope that falls out of the atmosphere. He traced it to learn how long the forest floor, which is the top 10 centimeters of organic material at the to...Gene mutation found for eye disease that mimics macular degeneration
...ady studied the genealogy of the larger family and traced its members to a single ancestor who emigrated from Germany to North America. Ayyagari adds that RDS has been screened extensively in populations worldwide; the only two families known to have the rare mutation are the two families described in the p...Another global warming surprise: Grasslands may become wetter as temperatures rise
...en moisture shapes which plant species prevail. We traced this unexpected moisture increase to the plants themselves." The study adds to a growing body of knowledge about the major role that plants can play in global warming, added co-author Christopher B. Field, a professor by courtesy of biological scienc...New pollutant cleanup technique puzzles, pleases chemists
...ides in the environment today, for example, can be traced back to the dry cleaning industry of the 1920s and 1930s. Meyer is director of the National Science Foundation-funded Collaborative Research Activities in Environmental Molecular Sciences (CRAEMS) Center at Johns Hopkins, which is dedicated to findi...Lasker Award honors Rockefeller University biochemist for pioneering studies of gene activation
...tivation and its regulation in animal cells can be traced back to Bob Roeder's seminal studies," says Rockefeller University President Paul Nurse, Ph.D., past recipient of the Albert Lasker Award for Basic Medical Research as well as the Nobel Prize in Physiology or Medicine. "While there have been many con...Zebrafish studies provide insight into blood-cell formation
...ells that form tissues and organs. The researchers traced the genetic defect in the kgg mutant zebrafish to a gene called cdx4 . This gene is a member of a family of " caudal " genes that other researchers had shown were regulators of a key suite of genes called hox genes that control development. Hox ...Abnormally high number of Lou Gehrig's disease cases identified among Gulf War veterans
...e American Medical Association (JAMA). His studies traced veterans' mysterious illnesses to damage to deep brain structures from wartime exposure to combinations of chemicals, including low-level nerve agents, that drifted over thousands of soldiers when U.S. forces detonated Iraqi chemical stores. Symptoms...UGA researchers track greenhouse gases in forests
...e said. "Tracers are substances that can easily be traced using very sophisticated tracking devices." Leclerc and her colleagues will be using perfluorocarbons, manmade gases, as tracers. They will release them at different levels in forest canopies and then monitor how fast they move and where. "The concep...Isotopes from feathers reveal bird migration
...f Burrowing Owls, the stable isotope technique has traced unbanded owls wintering in central Mexico back to Canadian breeding populations, said Duxbury. Subsequent analyses have also revealed that Burrowing Owls disperse more widely between breeding seasons than previously thought. That discovery, in turn,...Climate linked to reproduction of right whales
...production in 1999 and 2000, a setback that can be traced to a dramatic negative "flip" in the NAO in 1996 and a subsequent decline in copepod abundance in 1998. Then a sudden return of the NAO to positive conditions from 1997 to 2000 led to a 10-fold boom in copepod populations. Consequently, the northern ...Expedition will retrace legendary Steinbeck-Ricketts voyage to the Sea of Cortez
...The source of the controversy and confusion can be traced to Viking's decision - after Ricketts died - to publish the log separately under Steinbeck's name alone, removing Ricketts as co-author and dropping the phyletic catalog entirely. The new version, published in 1951 and renamed The Log from the Sea of...Solving the Ebola enigma: satellites will provide clues
... The origin of the current Congo outbreak has been traced back to the end of October, when hunters from Mbomo ate a wild boar they found dead in the jungle. The very fact infected animals sicken and die shows they are not the elusive Ebola reservoir. CIRMF equipped with a rare Level 4 Biosafety Laboratory......y plants, providing a unique signature that can be traced as it moves through the food web. By labelling the carbon produced by aquatic plants with 13C, the scientists were able to use a mass spectrometer to determine if lake organisms were using aquatic-produced carbon or terrestrial-produced carbon. ......wheat heads pulled from the subsequent crop can be traced to the original parent crop. "You can tell them it's against the law," said Vinson, "and they'll say ?Why, I bought that seed. That's my seed and I'll do what I want with it.' "But they know it's a protected variety. It's on the tag. They have to sig...