Remote sheep population resists genetic drift
...more important to the evolutionary process than is commonly believed," he added. Genetic diversity refers to the total amount of possible gene combinations that a mating male and female couple can produce. Scientists believe greater genetic diversity corresponds with greater odds of survival and successful ...Bacterium could treat PCBs without the need for dredging
...production in the United States in 1977, were once commonly used by industry. The compounds are mixtures of 70...aking them difficult to degrade. To date, the most commonly used method to remove PCBs from the environment is to dredge and then deposit the sediments in a lan...Scientists genetically engineer tomatoes with enhanced folate content
...ontent of fruits and vegetables." The vitamin is commonly found in leafy green vegetables like spinach, but few people eat enough produce to get the suggested amount of folate. So, in 1998, the Food and Drug Administration made it mandatory that many grain productssuch as rice, flour and cornmeal be enriche...Study advances evidence for receptor's role in alcohol pleasure and problems
...to the human 118G receptor. Activity measures are commonly used in animal studies to assess alcohols pleasurable effects. As predicted, the researchers found that monkeys with the variant gene showed increased activity following alcohol consumption. They also found that male animals with the variant had a ...Pioneering research into health benefits of beauty treatment
...sity of Leicester into the use of Botulinum toxin commonly thought of as a beauty treatment for bladder problems. Dr Douglas Tincello, Senior Lecturer at the Universitys Department of Cancer Studies and Molecular Medicine and Consultant Gynaecologist at the Leicester General Hospital, is carrying out a rand...An architectural plan of the cell
...ial context of the cell." Yeast is one of the most commonly used model organisms in biology. It has many similarities with higher eukaryotes, including multicellular organisms. Many of the insights gained into its cellular organisation are likely to apply also to mammals. In mammalian nerve cells, for example...After scrutiny, preemie lung treatments turn out to be safe, effective
...d prepared with sulfur. However, clinicians do not commonly use that steroid anymore and have largely switched to sulfur-free steroids, such as betamethasone. This study was based on infants who received betamethasone prior to birth, and they did not show the same adverse effects as previous studies. "Perh...UA researchers identify new adherence factor, Pili, produced by tuberculosis
...ecause they cannot be treated with any of the most commonly used anti-tuberculosis antibiotics, resulting in high mortality and rates of transmission," said Dr. Friedman....New success in engineering plant oils
... temperate oils, but without the trans fatty acids commonly found in margarine products. Furthermore, engineer...erformed their experiments on Arabidopsis, a plant commonly used in research. Like other plants from temperate climates (e.g., canola, soybean, and sunflower), ...Green tea and COX-2 inhibitors combine to slow growth of prostate cancer
...s research has linked the cyclooxygenase-2 enzyme, commonly known as COX-2, to many cancer types, including prostate cancer, said Mukhtar. Mukhtar and his colleagues have previously shown COX-2 inhibitors like celecoxib (known under the brand name Celebrex) suppress prostate cancer in animal models. COX-2 i...Rare mutation causes early heart disease and metabolic syndrome
...ase," said Mani. Coronary artery disease (CAD) is commonly caused by metabolic syndrome, which includes a constellation of risk factors such as high low-density lipoprotein (LDL) cholesterol, high triglycerides, low high-density lipoprotein (HDL) cholesterol, hypertension and diabetes. This study was based ...Single genetic defect causes early heart disease
...that cause alteration of Wnt pathway activitymight commonly contribute to metabolic syndrome and coronary artery disease," he said. Basic understanding of how the Wnt pathway malfunctions could lead to new treatments for coronary artery disease. "Although its a long way off, we might ultimately develop ways t...Joslin study reveals how a specific fat type can protect against weight gain and diabetes
...and the 129 mouse. The B6 mouse is one of the most commonly used strains in metabolic research and an established model for diet-induced obesity. When placed on a high-fat diet, the B6 mouse develops severe obesity, high blood glucose and insulin resistance with extremely high insulin levels. By contrast, t...Delft University of Technology designs language development toy for autistic children
...in the design represents a departure from the most commonly used methods; these methods primarily require children to learn the language via a computer. Van Rijn's method is clearly based on real-life experiences. ...ACS News Service Weekly PressPac -- Feb. 21, 2007
... higher levels of soluble dietary fiber than other commonly consumed beverages, scientists in Spain report. Their study is scheduled for publication in the March 21 issue of ACS' Journal of Agricultural and Food Chemistry, a biweekly journal. Fulgencio Saura-Calixto and M. Elena Diaz-Rubio point out that co...African carnage -- 1 year's seized ivory likely came from 23,000 elephants
...band ivory, Wasser said. But the paper notes it is commonly assumed that customs agents typically detect only about 10 percent of contraband, so the actual amount of poached ivory probably is closer to 234,000 kilograms. That means more than 23,000 elephants, or about 5 percent of Africa's total population, l...Independent panel to evaluate widely used chemical, Bisphenol A
...conclusions regarding whether or not exposure to a commonly used chemical, Bisphenol A (BPA) is hazardous to human development or reproduction. Details about the meeting, including panelists and agenda, are posted on the NTP website http://cerhr.niehs.nih.gov/news/fedreg/fr-12-12-06.pdf When: March ...Antarctic marine explorers reveal first biological changes after collapse of polar ice shelves
...ucumbers and sea urchins. These species are more commonly found around 2,000 meters or so, able to adapt to life where resources far more scarce conditions similar to those under an ice shelf. Apparent newcomers found colonizing the Larsen zone include fast-growing, gelatinous sea squirts. The scientists...Gene profiling predicts resistance to breast cancer drug Herceptin
...-therapy RNA profiles to find genes that were more commonly expressed in Herceptin sensitive and Herceptin resistant tumors. They first found that some single gene markers, such as HER2 and ER (estrogen receptor), did not change in the majority of tumors. "That tells us that the cancer cells are still creat......al cancer have many commonalities and for that are commonly referred as colorectal cancer. Most cancers begin as polypsa growth of tissue into the center of the colon or rectum and when typed as adenoma, can become cancerous. The mortality rates have been declining, this in part due to earlier screenings, awa...