Nutrition Study Reshapes Strategies For Athletes
...ng fluids lost during practice andcompetition. She adds that this is especially critical in the hot and sultryenvirons of Atlanta during July. "They have been able to realize through the training program that by doingfluid replacement, they will actually do better in their performance," saidHoutkooper. "I...Ocean Sediments Contain Record of Past Vegetation Fires in Africa
... scales. "Another implication of Verardo's work," adds Sancetta, "is that if a lot of the carbon [charcoal] in ocean sediments is terrestrial in origin, then it isn't marine in origin. And scientists have been studying the marine record as a major place to find out about past carbon dioxide changes. If...Researchers Identify A New Cellular Structure: The "Dumposome"
...ucleusthat is a workbench for building ribosomes," adds James Smothers, a graduate student in Allis' lab. "We now know thatthe structure is unique with a distinct function -- which could make it an organelle in its own right." Although it has only one cell, the mature Tetrahymena has two nuclei. One ...Disease Resistance Mechanism Identified in Plants
...ze and mount a resistance response to a pathogen," adds Steven Scofield, a research geneticist at the University of California at Davis Center for Engineering Plants for Resistance Against Pathogens, an NSF Science and Technology Center. For some 40 years, researchers have known that a plant's abi...Mechanism For Disease Resistance Identified In Plants
...ze and mount a resistance response to a pathogen," adds Steven Scofield, a research geneticist at the University of California at Davis Center for Engineering Plants for Resistance Against Pathogens, an NSF Science and Technology Center. For some 40 years, researchers have known that a plant's abi...New Finding Suggests "HATs" Are Key To Gene Activation Puzzle
...s genes on. Now, they have uncovered evidence that adds significantly to the developingpicture of how genes are activated. The findings from the University ofRochester and National Institutes of Health (NIH) researchers appear in the December 27 issue of Cell . "I feel very positive about these find...Molecular Imposter Rebuts Long
...cher Eric Kool of the Universityof Rochester. Kool adds that the new information may helpresearchers develop new drugs that are better able to sneak inand kill sickly cells -- including deadly cancer cells. Kool and co-workers created a ring-like molecule that veryclosely mimics the shape of the base...NIH Team Discovers Endocrine Tumor Gene
...road function is to inhibit cell growth, somehow," adds senior investigator Stephen J. Marx, M.D., also of NIDDK, "but in fact, it is unlike any human protein we have seen. It's a real black box." Drs. Marx and Spiegel collaborated with Francis Collins, M.D., Ph.D., director of th...Emory Researchers Advance Gene Therapy Studies For Metastatic Melanoma Treatment
...h the melanoma cells could make a big difference," adds Ansel. "It may pack a much bigger punch than when it is coursing through the circulatory system." Most clinical gene therapy for melanoma now being conducted around the country treats patients systemically, and results have not been particularly pr...New Evidence For Corn's Ancestry Could Lead To Insect And Drought Resistant Crops
...at are "missing links" in corn's evolution,Eubanks adds in the latest issue of the journal Theoretical and AppliedGenetics . That article updates experiments originally described in the June, 1995issue of Economic Botany . She will report on her work again at anAugust meeting of the American Institute ...Scientists Bridge Gap In Cell Communication
...ile fundamental in nature, is important because it adds an essential strand of information to scientists' understanding of how cells relay molecular messages, a process that, if disrupted, can result in cancer and defects in embryonic development. By revealing the terminus of the pathway by which...Pea Plant Stem Growth Gene Cloned
...Mendel, the tallness gene codes for an enzyme that adds a hydroxyl (HO) group at a very particular location onto GA20, which is the is the immediate precursor of GA1. In the dwarf plants there is a change of one base in the DNA sequence, which leads to a change of one amino acid in the resulting protein. ...Molecular Piracy Turns Protein Into Traitor
... the September 12th issue of Science. The research adds to the growing evidence that chemokine antagonists may lead to novel approaches to HIV therapy either to prevent initial infection or to slow down disease progression in an already infected patient. Importantly, this research shows for the first time...UC Geologist "Flip-Flops" On Understanding Of Crinoid Life Style
...ther, and itmay even be a collective property that adds to their surfacetension." Viewed from above, Meyer's model would reveal a huge spiderweb type complex floating on the top of the sea. That's muchdifferent than the old textbook model which shows Uintacrinusbobbing with its arms hanging down into the ...Insects Provide Clues About Bodies Underwater
... other reasons for attachingthemselves to bodies," adds Macdonell. "Bodies are a nutrient-rich source,but their decomposition and shape also make for great habitat." Macdonell, who wants to be a coroner, says the research will be useful,given the high number of water-related deaths in B.C. It's alsoground......abetes is more or lessimprinting a baby for life," adds Taylor. Taylor and Diaz only used female rats in their study because theresearch was focused on the effects of overfeeding on the maternal environmentprovided to subsequent generations. The rats used in the study were Long-Evanshooded rats, ...Strange South American Fossil Mammals Found In Madagascar And India
... degree of African endemism during this interval," adds Krause. Krause has led large-scale NSF-funded paleontological expeditions to Madagascar for three years. Krause's team has discovered a spectacular array of well-preserved and extraordinarily complete skeletal material of crocodiles, birds, d...Guidelines For Next Generation Of Environmental Policy
...luting coal power plants," says ProfessorEsty. He adds that the Multilateral Agreement on Investment, now undernegotiation in Paris by the Organization of Economic Cooperation andDevelopment, offers mechanisms to support global capital investments, ifenvironmental guidelines are added. ### Note to Edit...Human Breast Milk Contains Obesity Hormone
... thin mothers don't produce very much leptin. This adds another interesting twist to this story, because if leptin is important for infant development, these varying levels may mean that some infants are at a disadvantage." Another theory about how leptin could be important is that leptin may play a r......merican Journal of Primatology, adds to evidence that how we age may be linked more to our genes than our lifestyle. "The simple lives of captive-born, aged rhesus monkeys result in minimal or no exposure to the varying ...