Brain Protein "Rescues" Neurons From Atrophy
...e research will aim at understanding in detail the complex machinery by which brain cells produce neurotrophins and translate the chemical signals they represent into strengthened connections. Besides NIH support for the experiments, the Duke scientists also received critical materials for these experiments...Duke Researchers Discover Central Role Of Nitric Oxide In Hemoglobin Action
...uced in vessel walls. Hemoglobin is a largeprotein complex containing "heme" groups, which include a centrali...mler. "We always knew that the hemoglobin complex had two reactive arms,a heme and a cysteine, to which other molecules could attach, but no oneknew w...Computer Program For Quicker, More Detailed Mapping
...es, especially for diseases that are inheritedin a complex manner and aren't due to a defect in a single gene," saidMyers....DNA Techniques Allow Scientists To Become Pollution Detectives.
...try to detectpollution in water." Despite hours of complex testimony in the O.J. Simpson trial, theDNA "fingerprint" testing used by the UF scientists is fairlysimple to understand, Tamplin said. Picture a thread thatrepresents one person or animal. By taking one thread from oneentity and another thread from...Photosystem I -- An Intermediate Step -- May Not Be Necessary For Plants
... researchers investigated 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 un...Harvard, Duke Researchers Discover 'Off-switch' Inside Human Cells
... such drugs may berendered impotent because of the complex transformations that receptorsundergo. Thus, he said, RGS10 may constitute a more direct and effectiveway to control the G-protein-activated cellular machinery "Because of the critical role that RGS proteins may play in controllingthe duration of a ......l Center have correlated the simple notes and more complex passages of a bird's song to activity in different areas of the brain. The researchers were able to show for the first time that structures higher up in the brain's chain of command directly control the more abstract information, while the component ...Behemoth Animals May Follow Same Extinction Patterns
...r demise wasprobably not one single element, but a complex mix of factors that effectedfood supply and habita...ent,there is greater possibility of uncovering the complex set of events thatcould bring gigantic animals from glory to extinction....Study Examines How Mechanisms Evolve To Regulate Bee Development
...in behavioral changes that could be applied tomore complex genetic systems." For the drones themselves, early maturity brings mixed returns: They canbegin looking for a mate earlier, but drones that mate earlier in life dieearlier....Two Long-sought Diabetes Gene Found
...d in MODY because it provides a way to unravel the complex genetics of adult-onset diabetes. Most people with NIDDM develop symptoms only after age 40, which has made it difficult to gather the large multi-generational families needed for genetic studies. But careful analysis of several extended families wit...Scientists Identify Gene For Sexual Behavior In Male Flies
...orks in the brain to governnearly all aspects of a complex behavior in adult animals. The scientists from St...elped explainhow the human body develops. "In any complex organism, brain formation and function must becontrolled in part by genes," Hall said. "The question...World's Experts Plan Global Locator Service For Environmental Information
...text search of documents as well as very large and complex bibliographic collections. The standard does not require a central authority or master index. Just as catalogs provide a common way to search many separate libraries, anyone can create information locators independently. By applying a stan...Bigger Biology Tackled Through Keyboards
...amic models are an essentialtool for understanding complex biological systems." Written by four of the most noted scientists in the field, the paper reviewsthe role of powerful computational tools in studying ecology, genetics andevolution, infectious diseases, and immunology and virology. "Math and compu...Scientists Urge Further Study Of Alarming Coral Reef Decline
...ousproblem. The corals are at the center of a complex food web. Whenthey die, thousands of other species... our ability to understand and possibly remedythis complex global problem will be accelerated as toxicologistsbegin to address these issues," the two biologist...Supelco Licenses ORNL Solid Sorbent Air Sampling Material
...uch as carcinogens and industrial effluents can be complex and costly. A new material developed by researchers at the Department of Energy's (DOE) Oak Ridge National Laboratory (ORNL) may find use as a cost-effective way of detecting and measuring such compounds. The product, Sol-Gel Derived Sorbents for A...Everyday Technology Underlies First DNA Computer Logic Gates
...signal in a way that allows a computer to perform complex operations. Up to now, the only logic gates used ...f calculations now done every day, as well as more complex arrangements. A DNA computer would need just a few hours to analyze a flood of information that wo...Newly Identified Tomato Gene Appears Key To Fruit Softening
...ing growth. "The plant cell wall is composed of a complex matrix of compounds,"said Jocelyn Rose, a plant biology doctoral candidate, who identified andcloned the newly discovered gene. "A major goal for many scientistsin this field has been to find one gene that can be identified as beingthe major player i...New understanding of crab populations may not bring fishermen's delight
...logical modeling is in figuring out howto simplify complex systems to the few most important components while...interplay betweenexternal and internal forces. The complex dynamics are produced by a smallamount of noise." For one of the first few times, a modeled underst...New Evidence For Corn's Ancestry Could Lead To Insect And Drought Resistant Crops
...ubanks is now embarked in an expanded study of the complex geneticrelationships between teosinte, Tripsacum , primitive corns and otherrelated New World grasses. The National Science Foundation's Small Business Innovation in Researchprogram is funding Eubanks' research on corn rootworm resistance. She isco......on many forms, ranging fromvery simple cavities to complex hair-tufted structures," explained Anurag Agrawal ,a UC Davis doctoral candidate, who conducted the study with entomology professor RichardKarban . "We think that predatory insects and mites use domatiaboth for protection from their enemies and for...