Enzyme's "Magic" May Hold Key to Anticancer and Antimicrobial Drugs
...-gate" theory, DNA enters by one "gate" and exits, after the reaction, by a different "gate." The PNAS paper supports the "two-gate" theory. The researchers used two approaches: to lock closed the putative "exit gate," using disulfide bonds, and to regulate openi......ations in the area since 10,000 years ago, shortly after the last Ice Age had ended. Ku's research on the Zhoukoudian finds is supported by a grant from the National Science Foundation. Further field sampling and lab analyses are continuing.......ffering painful, prolonged erections (or priapism) after eating frog-legs from amphibians that ate blister beetles. Cantharidin is not only painful but toxic, and as little as 20 blister beetles' worth can be fatal to humans, Eisner reported in a 1990 article in the journal Chemoecology. Repeated tests in......n geologist Cristian Lascu. Theexplorations halted after Sarbu fled the oppression of theCeausescu regime, resuming in 1990. The current research is funded by the National ScienceFoundation with additional support through the Fulbright Program,the National Geographic Society, and the National Speleologica......ase resistant. The fruit ripens in mid-September, after Himrod. Yield averages 5 tons/acre. Mildly fruity at first, Marquis will develop a rich Labrusca flavor if left to ripen on the vine. The cross which produced Marquis was made in 1964 by George Remaily. Seventeen seedling vines were planted in ex...Water Recycling Project Tested in Turkey Plant
...d new water replacing the water that is discharged after chilling, a turkeyplant can use a tremendous amoun...d the UA finished microbiology tests in late March after preparingits third set of data and that all necessary federal approvalî processhave been grant...Florida Researchers Discover Gene For Fatal Childhood Disease
...th Chediak-Higashi syndrome, sifting through piece after piece of DNA todetermine which gene was mutated. They then isolated it in people with thedisease. The two-year effort was funded by the National Institutes of Health,the Arthritis Foundation and the American Cancer Society. The study ...Photosystem I -- An Intermediate Step -- May Not Be Necessary For Plants
...igated a key protein in the PSI complex before and after the experiments. Owens was not able to detect the key PSI protein. Does this mean that PSI is not necessary for normal photosynthesis? Owens gives an emphatic "no." This is just a biological alternative that had not been found until the Oak Ridge...Bee Sting Treatment Should Emphasize Speed, Not Method Of Removal
...earms, and measured thesize of the resulting welts after scraping and pinching the stings out atvarious time intervals. Visscher and Scott Camazine, assistant professorat Pennsylvania State University, also showed that welt size is a good measurementof envenomization, by measuring the welts from injecting ...Virginia Tech Researchers Receive Patent For Rapid Virus Detection Technology
... can indicate previousfecal contamination of water after living cells have died,"says Falkinham. Further, the bacterial viruses act more like otherviruses, such as the ones that cause human diarrheal infections,than do cells of E. coli , he says. "Numbers of E.coli viruses may be better indicators of hu...Genetic Alterations Linked To Cancer In Some Blood Samples
...niversity policy, cannot be traded until two years after the first commercial sales of the products related to this research. Dr. Sidransky also serves as a member of the Scientific Advisory Board and has stock options in OncorMed, Inc., an Oncor subsidiary, which is commercializing some of Oncor's techno...Low-Protein Diet May Reverse Kidney Disease
... prolong the lives of some kidney failure patients after they start dialysis and may postpone the start of dialysis for others. The current study's other authors were Sylvia Hill, B.S. and Elizabeth A. Tomalis, M.P.H....Duke Primate Center Sets October Expedition To Find 'Juliet'
...ner table that had been seized bylocal authorities after at least one had already died. In the remote jungl...uld be called 'Juliet.'" Diademedsifakas are named after characters in Shakespearean plays, Simons said. The Duke Primate Center houses the world's largest ...Duke Ecologist Says Logging Is Creating 'Mahogany Deserts'
...erminate and begin growing in the shade. It's only after they run out oftheir own stored food -- perhaps a year after germination begins -- thatthe tiny shoots need open sunlight to make food through the photosynthetic...Newly Discovered Gene Halts Cell Division and May Have Cancer Link
...e MAD2 gene allows a cell to commit to divide only after the gene checks to ensure that chromosomes, which contain DNA's genetic blueprint, are ready to separate normally to form two genetically identical cells. "If MAD2 is defective and the checkpoint is challenged -- either by drugs or environmental str...Cholesterol Anchor Helps Signaling Proteins Direct Development
...a Claus is your dad--hard to believe at first, but after reviewing the data it makes a lot of sense." The new results could help researchers better understand Smith-Lemli-Opitz syndrome, a serious developmental disorder that strikes approximately one in every 9,000 babies. The disorder disables the body's...Researchers Find Genetic Clues To Intestinal Disease
...e. And in half of these cases, the disease returns after the operation. In the study published in Lancet, Bayless and his co-workers studied the hospital records of 552 patients treated for Crohn's disease at Johns Hopkins. They found the disease in 27 pairs of first-degree relatives, for example, fathe...North America Hit Hard By Asteroid Strike In Yucatan 65 Million Years Ago
...osphere holds in place gases emitted from a crater after animpact. The researchers studied images of these ...t gaseous material is propelled in waves downrange after anobject strikes a planetary surface at an oblique angle. Schultz used a high-powered gun to recrea......he said, because "living foranother 25 or 30 years after menopause is a very recent phenomenon in thehistory of humankind. Aging without estrogen may be the natural state, butit also may be like the loss of any other hormone. Perhaps what you shoulddo is replace it." Einstein said their research also sugg...