Mutate Or Die: New Polymerase Gives Desperate Yeast An Option
...en sunlight hits an organism, causing two bases to link up unnaturally.The abnormality almost always stops other polymerases dead in their tracks, but zeta went past the dimer about 10percent of the time. "Ultraviolet damage to DNA is the process that leads to skin cancer," says Nelson."Sunlight is ...Discovery Of Cell Sites May Shed Light On How Bodily Systems Interact
... immunologist, led to a color snapshot of a direct link betweenthe body's immune and endocrine systems. The work was featured on the coverand inside the September issue of the journal Endocrinology. Specifically, researchers identified two types of receptors for interleukin-1(IL-1), a molecule produced b...Antarctic Science Season Gears Up With Searches for Meteorites, Neutrinos, and New Life Forms
...Studies of Vostok's ice have already shown a close link between climate over the past 200,000 years and changing concentrations of greenhouse gasses in the atmosphere. The drillers plan to halt at approximately 3650 meters depth, stopping above Lake Vostok, the subglacial lake beneath Vostok Station that......cks or finding hidden toys,showed a strong genetic link and almost no environmental influence duringthe se...kbetween genetics and talkativeness as well as the link between environmentand word comprehension," he said. Next, Professor Reznick will look for a...Pinpoint Gene Control Holds Promise For Nervous System Studies
...rest is the effect of NGF onmemory and learning, a link that may be relevant to patients withAlzheimer's disease, where NGF-sensitive neurons in the brain'sbasal forebrain are among those damaged....The CIA Would Like To Know What Scientists Are Seeing Over The Rainbow
...aining techniques evolved, scientists used them to link chromosome changes to disease: Missing bands indicated a deletion of genetic material, as in some inherited diseases, whereas extra bands, or translocations, indicated altered or additional genetic material, as is the case in many cancers. Higher-r...Stuttering Appears To Have Strong Link To Family Genes, Researchers Say
...hecommon belief, however, has been that the family link came not from genesbut from family attitudes, he said. It's been thought that parents witha family history of stuttering tend to overreact to a child's normal speechrepetitions, causing a reaction that leads to real stuttering. About five in every 1...Maternal Lead Exposure Linked To High Numbers Of Cavities
...ntal Research (NIDR), is the first to document the link betweenlead exposure and high cavity rates that a few smallepidemiological studies have suggested. The team is now searching for the cause. Some studies havesuggested that lead interferes with the development of teeth. Inhumans lead is stored in...Researchers Find Association Between Alzheimer's Gene And Mental Impairment After Cardiac Surgery
...s with more patients are needed to provea definite link between cognitive decline and the APOE variant. Newman andcolleagues plan to follow heart patients for five years to determine howtheir cognitive status changes. Joining Newman in the study were Dr. Barbara Tardiff, Ann Saunders, Ph.D.,Dr. Warren St...Wonder Thread: UD Scientists Report First Protein With Collagen And Elastin-Like Domains
...act with metals to produce strong "bridges," which link up linear arrays of collagen. Breaks in some of these cross-linked sections appear to be promptly repaired, Waite says. "This is totally different from how vertebrate collagens form fibers in nature," he notes. "Bridge formation seems to be reversibl...Nutrients, Ground Water, And The Chesapeake Bay - A Link With Pfiesteria?
...s and ultimately fish health. Scientists suspect a link between high nutrient levels in water and the occurrence of algal blooms and the occurrence of Pfiesteria-like organisms. Nutrients enter the waters of the Chesapeake Bay from 'point' and 'non-point' sources. Point sources of nutrients (phosphor...Popular 'Cure-All' Tea Can Cause Toxic Reactions
...e harmful to some consumers, even though no direct link could be made betweendrinking the tea and the adverse reactions reported, because of the small numberof cases and the unethical aspects of testing the tea for toxicity in humans. The authors also urge that patients who experience unexplainable...Colorado State Anthropologist Finds Fossil Treasures In Africa
...tter navigate its narrow passages, whichserve as a link between two chambers where the fossils are located. To get to the main chamber--called the Drop Room--the researchteam must climb down a steep rubble slope to a small opening measuring 4 feet across. The larger primate bones are embedded in thesteep ...UC Geologist "Flip-Flops" On Understanding Of Crinoid Life Style
...e groups,"said Meyer. "The idea would be that they link together, 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 s...Free Radicals Implicated In Impaired Lung Function; Damage May Be Mitigated By Certain Antioxidants
...tances could represent, in part, the physiological link between impaired expiratory lung function and increased risk of death from chronic diseases, such as heart disease and lung cancer." Additional researchers on the study were Paula Muti, M.D.; Jo L. Freudenheim, Ph.D.; and Maurizio Trevisan...Peptic Ulcer Treatment Improves Health, Saves Money
...ever, millions of people were diagnosed before the link between ulcer disease and H. pylori was documented...he World Health Organization as having a potential link to stomach cancer. "Many ulcer patients take medication daily, without symptoms, to prevent the...Regulator Of Fat Thermostat Found
...loss. "Our study suggests that leptin might be one link between cortisol action andweight loss," Dagogo-Jack says. Dagogo-Jack notes that the dexamethasone finding serves as only one piece in anunfinished jigsaw puzzle depicting the pathways regulating body weight."This one piece of the puzzle should lea...Genetic "Short Circuit" Leads To Cleft Palate
...ts of cleft palate in humans, and also explain the link between clefting and risk factors, such as stress, smoking, and certain medications, all of which are known to elevate the level of steroids in the body. The study was carried out by Drs. Michael Melnick, Tina Jaskoll, and colleagues at the Univers...Researchers Discover New Genetic Risk For Alzheimer's Disease
...heimer'sdisease. This finding provides a link between two substances previouslyimplicated in the disease - APOE, a cholesterol-carrying protein, andbeta-amyloid, a protein that forms plaques in the brain. Replicating the resultsof this preliminary study would raise hopes that drugs in the pipeli...Conservation Biology Clearinghouse, Engineering Design Tutor
...ects visitors to resources on nine websites, which link tohundreds of others. The CCBN's purpose is to protect, maintain and restore theenvironment, by using powerful technology to provide the highest professionalstandards of education, and by encouraging the involvement of the public and academiain a pub...