Scientists Identify Gene For Sexual Behavior In Male Flies
...ne of this sort could be identified inhumans, that does not mean it would solely 'determine' behavior. Bydefinition, those actions are also influenced by upbringing andenvironment -- even in flies."...Methane Deep In Ocean Crust Could Feed Chemical-Hungry Microorganisms
...pic work on rocks from layer three and the methane does not appear to come from the breakdown of sedimentary material. Kelley thinks methane forms in two ways in magma chambers below the seafloor: The first involves fluids -- mainly water and fluids rich in carbon dioxide -- that are present when ma...World's Experts Plan Global Locator Service For Environmental Information
...d 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 standard that has been widely used for many years,...Researchers Find How Disease-resistant Plants Recognize Bacteria
...g a flashlight and yelling 'I'm over here!' Why it does this is an ongoing puzzle," Martin says. "It's possible that the bacterial signal proteins may increase bacterial growth in plants that lack the resistance gene." The research at Purdue is funded by the National Science Foundation and the David and L...Urbanized Watersheds More Sensitive To Climate Change
...rature in urban areas, but in the Northeast, this does not seem terribly important." Increases in stream flow boost the potential for flooding and in the Northeast at least, the areas of most increase -- the most developed -- are those areas that stand to lose the most in property and human life if...Selenium Supplements Can Reduce Cancer Rates
...e use of oral supplements of selenium; however, he does emphasize the importance of consuming low-fat diets that are adequate in selenium and are balanced with respect to other essential nutrients. The most important dietary sources of selenium are meats, fish and cereals; dairy products and eggs contrib...Ten Years of Progress For Superfund Basic Research Program
...e strain used at UC is a commonsoil bacteria which does not cause illness. What it can do ischew up another group of chemicals which can cause cancer and arenot easily degraded in nature. They're called PAHs or poly-aromatic hydrocarbons. "They're a big concern," said Kinkle. "They're often potentcarcinog...Team Identifies Switch For Tumor Suppressor Gene
...own cell proliferation. The protein, knownas PP1c, does its work during a very narrow time frame duringmitosis, when a cell is dividing. PP1c turns on RB through a chemical process known as de-phosphorylation, a common process in the body where a proteinknown as a phosphatase strips phosphate groups ...Fund Aims To Repay Developing Nations For Valuable Genes
... amount in the future. When the licensing revenue does come in, the university will identifythe country or countries that should benefit from the fund. The universitywill then select students from those nations to receive fellowships forgraduate studies, probably in a scientific field related to the pate...Herpes-Based Gene Therapy Is Key To Promising Liver Tumor Vaccine
...s that escaped the surgeon's knife. Acompound that does this, such as the vaccine cocktail puttogether by Drs. Federoff and Fong, is known as an autologoustumor vaccine. "We're trying to exploit the immune system's ability tospecifically recognize and kill tumor cells," says Dr.Federoff. The phy...Herpes-Based Gene Therapy Is Key To Promising Liver Tumor Vaccine
... that escaped the surgeon's knife. A compound that does this, such as the vaccine cocktail put together by Drs. Federoff and Fong, is known as an autologous tumor vaccine. "We're trying to exploit the immune system's ability to specifically recognize and kill tumor cells," says Dr. Federoff. The physician...Purdue Researchers Prod Plants To Clean Up Pollution
...s contain almost half as much calcium by weight as does an average human body, and all without a calcium-r...e found that tobacco picks up strontium just as it does calcium. They already have grown tobacco seedlings that take up more than 1 percent of their dry wei...... hisstudents have developed a "safer" handgun that does not fire inthe hands of an unauthorized user; an infrared mouth-held devicethat allows a quadriplegic to operate a computer from bed; anautomatic wheelchair brake; a bicycle helmet that offers moreprotection than commercial headgear; and a wheelchair...Everyday Technology Underlies First DNA Computer Logic Gates
...accurate form of memory in computers -- just as it does in the cells of the human body. The potential benefits of a DNA computer are astounding: One pound of DNA has the capacity to store more information than all the electronic computers ever built, and the computing power of a teardrop-sized DNA com......at all plants contain pesticides and therefore, so does food made fromplants, Beachy added. This implicat... the USDA," Sanford stated. "However, EPA'spolicy does not seem designed to protect the public from pesticides, but seemsonly to serve the combined interes...Second Look Acquits Gene Of Role In Breast Cancer
...sses up," says AndrewFeinberg,M.D. "It definitely does not appear to be contributing to cancer cells'creation, but since this isthe first time we've observed such an error in a cancer cell's ability todecipher a gene, we're notsure yet if it provides any advantages to the cancer cell." With funding ...Research Team Discovers Key Gene For Telomerase Enzyme In Humans
...r paper forms a complexwith the telomerase RNA and does the job of telomeric DNA synthesis," saidNakamura. Telomerase belongs to a class of enzymes known as reversetranscriptases that use RNA as a template for creating DNA. Retroviruseslike HIV also belong to this class. Since reverse transcript...Newly Discovered Human Protein Provides Important Target For Cancer Therapy
...on of telomerase activity: expression of the genes does not correlatewith observed levels of telomerase activity in normal or cancerous cells. Finding the critical catalytic subunit that actually transcribestelomerase's RNA template into DNA proved to be an elusive goal. "The maindifficulty in is...Oaks' Defenses Help Gypsy Moth Caterpillar Fend Off Virus
...t and become active. This same alkalineenvironment does oxidize some of the tannin, but Appel has found a strongrelationship between PPO and virus inhibition. The trick is to put thisknowledge to work in controlling the caterpillars. The constant sound of chewing at the height of a gypsy moth inf...Insulin Resistance Is A Risk Factor For Atherosclerosis In Whites And Hispanics
...id artery walls narrow to the point that the brain does notget sufficient blood. Howard will present the researchers' findings on August 16 at InternationalNeurosonology '97. The conference, which ends today, has drawn doctors fromaround the world to review the latest research on the medical uses ...