New Cancer Switch Discovered By Duke Medical Center Pharmacologists
... they believe that such "molecular sabotage" could become a useful treatment for a variety of cancers. The r...ic mistake occurs in bone marrow cells destined to become white blood cells. In the usual genetic mixing and matching within the dividing cell, bits of two c...New 'Twist' In Proteins Offers Possible Route To Improved Antibiotics
...d. Bacterial resistance to antibiotics has become an important health problemand one that has defied solution, since bacteria can so readily adapt tothe current generation of antibiotics. The researchers, who published their findings in the Nov. 10 issue of thejournal Science, are Christian ...Children Become Gorillas In VR Zoo
... way for kids to understand gorilla behavior is to become agorilla," said Kyle Burks, a Conservation ARC research associate. "Thisexperience is probably the closest we could come in the world to doingthat." Dr. Rita McManamon, Zoo Atlanta's senior vice president ofveterinary services and director of the Co...Transgenic Rice Plants Resist Insects, Drought And Salt Damage
...ere scientists are trained to help their countries become more agriculturally self-sufficient. Transgenic plants from both technologies are in advanced stages of testing, with large field tests scheduled this year in China. Commercial production of seed is about two years away, Wu estimated, but several co...Mutate Or Die: New Polymerase Gives Desperate Yeast An Option
...tions that, in humans and other animals, sometimes become the genetic seeds fromwhich cancers grow. The research by the University of Rochester team, done bycreating in yeast the type of damage that sunlight does to our own DNA, is reported in the June 14 issue of Science . The findings shed new ligh......ul, natural compounds. "Here is a beetle that has become more intimately involved in chemistry, and it pays off for him. Insects' use of exogenous chemicals is almost certainly more widespread than we realize." One mystery remains. The chemical ecologists admit that they're uncertain how Neopyrochroa b...Water Recycling Project Tested in Turkey Plant
...lorine."Even before the direct application process become commercially available,we are having a beneficial effect on the chiller with our recycling processbecause it allows the operator to turn the water at a higher rate than mandatedminimums," Baldwin noted....Nitric Oxide May Hold Key To First Treatment For Deadly Form Of Malaria, Duke Scientists Report
...be a new way to disarm invasive bacteria that have become resistant to antibiotics-- a major problem in the treatment of infections, especially in hospitalsettings. Other contributors to the work include Alfred Hausladen, a Duke biochemist,and Christopher Privalle and Teresa Keng, two former Duke ...Nitric Oxide Found To Control Cells By Turning On Genes; Suggests New Role In Health And Disease
...be a new way to disarm invasive bacteria that have become resistant to antibiotics-- a major problem in the treatment of infections, especially in hospitalsettings. Other contributors to the work include Alfred Hausladen, a Duke biochemist,and Christopher Privalle and Teresa Keng, two former Duke ...Study Shows Songbirds Switch From Bugs To Berries To Fuel Fall Migration
... use during migration are two examples of how they become more flexibleduring the migration period--and how our conservation tactics for them mustalso change." While many songbirds breed in forests, they often use coastal shrublandhabitats during fall migration. Rich in ripe berries during autumn, coastals...Human-Like Ability, Categorical Perception, Found In Insects
...es-or-no decision in a hurry, and ones that waffle become bat bait." For a cricket flying through the night air, life is a sound spectrum-filling cacophony, Wyttenbach said, but only two sound sources really matter: other crickets, calling at 4 to 5 kHz (4-5 kilohertz, the familiar chirping that is just a...Duke Primate Center Sets October Expedition To Find 'Juliet'
...nd of Madagascar,and naturalists believe they will become extinct within a decade. The expedition aims to capture three diademed sifakas -- a mate for Romeoand another breeding pair. Once captured, the animals will be temporarilyhoused at the Ivoloina Zoological Park in Madagascar, where they will begradua...Duke Ecologist Says Logging Is Creating 'Mahogany Deserts'
...d that seedlings of American mahoganytrees seem to become successfully established only on open land. Snook... Grinnell College before becoming a scientist, has become a specialiston American mahogany ecology since first exploring the subject during 1987-92for her doc...Major Plant Genome Research Project Underway
... "During the past several years, Arabidopsis has become established worldwide as the species of choice for molecular genetic studies of plant biology," says Clutter. "Decoding the DNA of this model plant will provide a complete catalog of all the genes involved in the life cycle of the typical pla...Discovery Could Help Understand Breast-Cancer Therapies
...hereceptors respond to drug therapies and how they become resistant to tamoxifen,which, for 20 years, has be...us. It also loses its effectivenessas cancer cells become resistant to it. Benita Katzenellenbogen is now focusing on how the receptors interpret thedifferen...Two Long-sought Diabetes Gene Found
...alpha and HNF-4-alpha. Genes from this family have become leading candidates for other forms of MODY as well as common late-onset NIDDM. The findings have also stimulated the search for a substance that could increase the expression of either of these genes. "Many transcription factors respond to other prot...Optical Microscopy Shines Light On Biology
...ert Einstein, near-field optical microscopy didn't become practical until 1991. Dunn has been active in the field since 1992, when he carried out a postdoctoral fellowship with X. Sunney Xie at the Pacific Northwest Laboratory, Richland, Wash. "It's great getting in on the ground floor," Dunn said. "Everyth...Scientists Identify Gene For Sexual Behavior In Male Flies
... . Male flies with some mutations in the fru gene become bisexual -- they cannot tell other males fromfemale flies when courting. With this research, the team of geneticistscloned and isolated the fru gene, and showed that it controlsmuch more than the male's choice of partners. They showed that the fr...Christmas Bird Count: Another Holiday Tradition
... And next year, you can join the program and become a trained observer through participation in the Christmas Bird count of the National Audubon Society and see your efforts added to the web....Researchers Find How Disease-resistant Plants Recognize Bacteria
...the past two to three years," Martin says. "It has become one of the fastest-moving areas of plant biology." Since the 1940s, when a scientist named H.H. Flor first proposed that disease resistance in plants requires both a dominant resistance gene in the plant and a dominant gene in the pathogen, scientist...