Genetic Code Of Chromosome Of Malaria Parasite Deciphered
...rol malaria," Dr. Gottliebadds. Genetic sequencing reveals the lineup of paired chemical bases that make up thepathogen's DNA - the language of life. Sequence information can be exploited inmany ways, such as finding new targets for drugs, identifying the mutations thatcontribute to a pathogen's virulence o...Constructing "Designer" Plant Enzymes
...triple bonds and epoxy groups. Thus,this discovery reveals the chemical mechanisms responsible for theformation of most of the chemical diversity found in plant fatty acids."Basically," says Somerville, "the underlying chemical reaction is verypromiscuous and the enzymes have harnessed this 'catalytic promis...... approachingforty-five feet long. The fossil skin reveals a scaly surface, much like theskin of a modern-day lizard. One of the fossils has a distinct stripe of largerscales near its center, which probably ran down the animal's back. Why Auca Mahuevo yields two of the rarest of all types of fossils, fragi...New Discovery Is Potential Key To Obesity Treatment
... purified AGRP is known, Amgenresearchers think it reveals another potential point of attack for ananti-obesitydrug. The challenge will be designing a drug that prevents AGRP from binding toreceptors within the melanocortin system.......r the marsupial lineage. Study of the new fossils reveals unequivocally that Deltatheridium is an early relative of marsupials, and in fact is one of the earilest marsupial relatives ever discovered. Some of the features Deltatheridium shares with modern-day marsupials include a large bony process at the ba......ts at the University of Pennsylvania MedicalCenter reveals pivotal characteristics of the disease mechanism underlying ahereditary dementia similar to and often confused clinically with Alzheimer'sdisease. With a clearer view of the pathology involved, the development of drugtherapies to counter the problem ...Wistar Scientists Gain Information About Molecular Recognition
.... Two articles, "Structure of a HAP1-DNA complex reveals dramatically asymmetricDNA binding by a homodimeri... are usually very symmetrical. Whatthis structure reveals is that homodimeric transcription factors can useasymmetry as a resourceful mechanism to recognize t...Major Heart Defects Can Be Identified In Fetuses By 14 Weeks Of Gestation
...s by ultrasound scan at 10 - 14 weeks of gestation reveals the majority (55 per cent) of major defects of the heart and arteries, according to a study in this week's BMJ. Dr Jon Hyett and colleagues from King's College Hospital Medical School and Guy's Hospital in London report that this method of screening...New Worlds Of Order, Argentine Ants Succeed By Outnumbering The Competition
...study, published in the January issue of Ecology, reveals someinteresting findings about these aggressive ants. The study, conducted by David Holway at the University of Utah (now at UC SanDiego), examined the Argentine ant and seven species of native ants it displacesin the riparian woodlands of Northern C...Scientists Discover Key Cog In Receptor That Governs Ripening
...the oldest life forms on the planet. The discovery reveals another key component of the ethylene receptor, a proteinsensor that helps plants detect the slightest whiffs of ethylene, a gaseoushormone that prompts fruit to ripen and flowers to form. Writing in the Friday, Feb. 12 edition of the journal Science......cal operations. X-ray diffraction analysis reveals the 3-D structure of individualmolecules in exquisite detail. And researchers using atomic force microscopy inconcert with optical tweezers can measure the forces required to pull moleculesapart. But to discover what is happening inside the molecule ...Model Polymers Reveal New Clues to Protein Folding
... The precise structure of biomolecules often reveals their functionalsecrets, a fact that became clear in the early 1950s when Linus Pauling solvedthe alpha-helix structure of keratin protein and Watson and Crick solved thedouble-helix structure of DNA. Protein shapes determine everything from the te...Managing For Deer, Moose, Elk, Wolves -- And People
... a scientifichypothesis, and rejects it. Research reveals that moose populations surgedupward in the early 1980s when the number of wolves on the island declined andcrashed in 1996 when eighty percent of them died, primarily from starvation. These facts,combined with the possibility that the island's high......ight onto the surroundingwalls." Mapping the spots reveals the shape of the disco ball. Similarly,diffracted X-rays can be analyzed to determine a material's structure. In the case of the metal cluster in the Yale photosynthesis system, he says, "Itwas a bit of a miracle that we were able to determine the st...All Mixed Up: How Do Hybrids Fit Into The Picture?
... a different scenario. Her research on hybrid mice reveals thatthey are more prone to parasite attack than their parental counterparts (Mus musmusculus and M. m. domesticus). Her review of the parasitism of animal hybridsnot only suggests an evolutionary implication of parasites. It also stressesthat this ...Researchers Uncover 3-D Structure Of Virus Replication Technique
... crystallized, and the three-dimensional structure reveals many unusualfeatures, the authors of the study report. Ribosomal frameshifting also is usedby the AIDS virus. "This research will help us uncover some of the methods that viruses useto regulate the production of components that are essential to viral...Tip Sheet: Papers Of Interest, 95th Annual Meeting, Association Of American Geographers
... satellitesurveillance effort, the CORONA project, reveals not only the secrettechnological breakthroughs that allowed U.S. security to be maintained duringthe Cold War, but also the clandestine roots of modern earth sciences, say twogeographers who have studied more than 800,000 images and other materialrel......gth is not important to cell lifespan. Rather, it reveals a new factor contributing to chromosome stability, andoffers a new direction for potentially manipulating the enzyme for therapeuticpurposes. Blackburn's co-discovery of the telomerase enzyme in 1985 spawned a whole fieldof inquiry into the possibil......systems carrying rain into the interior. The paper reveals a vegetation record from fossilized eggshells from thesouthern portion of the Lake Eyre Basin, which comprises 1/6 of the Australiancontinent. The record indicates that summer rains (December to February), whichoccur across the northern part of the ......to cassava's evolutionary origin. Their work also reveals a wealth of genetic diversity in wild and domesticated cassava strains, information that plant breeders can use to create hardier plants that are more resistant to disease. With the newly found genetic information, there are greater possibilities no...