Scientists Discover New Players On The Gene-Activation Team
...scovered that the transcriptionactivators directly link to a very large protein group called a histoneacetyltransferase complex (HAT), which contains an enzyme called Gcn5 thatremodels nucleosomes by attaching a chemical group called an acetate,"Workman says. "Dave Steger, a postdoc in the group, found th...Salamanders May Reveal Best Way To Manage Forests
...n the southern Appalachians. They are an important link inthe food chain between tiny insects in the leaf litter and larger vertebratessuch as birds and mammals. Salamander habitat is especially sensitive to forestmanagement practices that open the canopy. The Virginia Tech researchers are studyi...New Research On Environmental Pollutants
...outh. In the case of polar bear, it waspossible to link pollutants to disrupted hormone levels and lower s...han "normal" can occur. This is the first study to link levels ofOH-PCB to age, indicating primarily a relation between PCB levels and age.OH-PCBs are suspe...Alaska Natives Provide New Evidence Linking Common Infection To Heart Disease
DALLAS, Aug. 18 -- The strongest link yet between a chronic lung infection andheart disease has been found in a study of Alaska natives, researchers report intoday's Circulation: Journal of the American Heart Association. Other studies have reported finding the bacteria Chlamydia...Study Finds Evidence Linking The Brain's Cognitive Control Regions With Stress Control Regions
... These studiesprovide evidence for a multi-neuron link between brain regions controllingcognition and those regulating hormonal output of the stress system. Published in the Aug. 1, 1998, issue of the Journal of Neuroscience, thestudy's results may lead to the development of future stress interve...Commercial Fish: Eat Up, Despite Low Levels Of Mercury
...nt up, so did theirperformance on tests. That link could be due to several factors, scientists say."Certainly no one thinks that the increased performance is due tomercury," says Davidson. The scientists caution that the mostobvious explanation -- that fish is so nutritious that thosechildren who ate...Study Pinpoints Rare Molecular 'Transitions' As Possible Cause Of Skin 'Photoaging'
...toaging,"he added. "But there was never any direct link between a physiological actionspectrum for that type of behavior and a molecular absorption process. Now thereis." The observation that singlet oxygen formation involves weak transitionsmay explain why photoaging is a long-term process, Simon...International Study Finds Mothers' Lifetime Lead Exposures May Put Breast-Fed Newborns At Risk
...ones." The researchers also found a statistical link between the lead concentrationin the maternal cord blood and lead levels in the first breast milk samples, afinding that could have clinical significance. Bill Jameson, Ph.D., theInstitute toxicologist who serves as NIEHS project officer for the stud...Data Support Idea That Zinc Plays Key Role In Fight Against Anorexia
...uld stimulate an increase in NPY if the leptin-NPY link is functional. Shay theorizes that zinc deficiency affects the processing capabilities of NPY and negatively impairs its normal appetite-stimulating effect.......nd molecular genetics anduses them to show a vital link between all aspects of human life -- includingreligion. "Genes and evolutionary processes have a pervasive influence over humanaffairs," said Dr. John Avise, one of UGA's most respected researchers andteachers and a member of both the Nationa...Loss Of Tumor Suppressor Gene Triggers Colon Cancer
...cersbut which has never been proven. The newfound link also helps to explain the genesis of most cases of...er. Knowing that the c- MYC oncogene is one final link in the coloncancer chain "brings up an obvious and potentially powerful way todisrupt that interacti...September/October 1998 Table Of Contents
...ical Thinking John T. Bruer Is the link between neuroscience and early childhood policy justified? Environment The Indoor Air We Breathe L. Christine Oliver, Bruce W. Shackleton At the interface of clinical medicine, toxicology, psychology, andengineering lie t...Combat Has Little Influence On Health Problems In Vietnam Vets
...am veterans, it maybe years before evidence of the link becomes clear. He suggests it would beworthwhile to survey the veterans again in a few years to evaluate both theirpsychological and their physical health status. He points to this summer's moviehit Saving Private Ryan as an example of the emotional ...... Lancet. The study is one of the first to directly link an absence of the organism, knownas Oxalobacter formigenes, to the formation of the painful crystals. Previously,many researchers believed cystic fibrosis patients developed kidney stones inconnection with intestinal malabsorption problems. Cystic fi...Upcoming 'Century Of Biology' Given Head Start By NSF Plant Genome Research Program Grants
...earchers will look at gene selection in maize, and link new information tothis database. These resources will provide for much greater efficiency inmapping and identifying the 50,000 to 80,000 genes of maize, say scientists. Once the resources, knowledge, and database are complete, the possibilities are......tprocesses in real-life situations." The high-tech link between the university, industry and government researchersis a new Internet-based laboratory communication tool called a "collaboratory,"or electronic laboratory notebook, developed at Pacific Northwest. Electronicaccess to instruments, data and lab......tensively documented, but itis hard to establish a link between those declines and the region's burgeoningfisheries, he said. "It is pretty well established that harbor seals and Steller sea lions havedeclined due to changes in fish stocks, and overfishing probably played asignificant role in that, but i......ng to Dale. Despite this apparent genetic link to a delay in learning language forsome children, Dale emphasized that environment and the way parents relate totheir youngsters is vital. "For kids in general, environment really matters. The amount and theway parents talk to children is v......cture changes, said Wilhelmsen. "Finding a direct link betweenmutations in the tau gene and these hereditary neurodegenerative diseasesstrongly indicates that tau is an important player in neurons dying inAlzheimer's disease and many other diseases, as well," he said. The goal now, he said, is to figure ......ournal,according to Reuter. "Despite the apparent link between the use of motorizedwatercraft and levels of MTBE, this source has not been widely acknowledged inthe literature reviews on MTBE to date," the article claims. The U.S.Geological Survey, according to the article, has reported MTBE as the seco...