ASU research shows connection between testosterone, dietary antioxidants and bird coloration
...nnsylvania, focused their work on zebra finches, a common domesticated pet bird originally from Australia. Carotenoids are known to play several key roles in birds and fish, including contributing to their bright colors, which acts as a signal to attract potential mates. They also act as an antioxidant in t...Identification of genetic risk factor for coeliac disease promises improved treatment
...dded within - and to correlate that information to common sequence variation in the human population. Dr Panos Deloukas, Senior Investigator in Human Genetics at the Wellcome Trust Sanger Institute, and part of the research consortium, said: These resources coupled with technological advances have enable...Scientists propose the kind of chemistry that led to life
...s being changed in the process. Catalysts are very common in living systems as well as industrial processes. Many researchers believe the first primitive catalysts on earth were nothing more complicated than the surfaces of clays or other minerals. In its simplest form, the model shows how two catalysts ...Agonized death throes probable cause of open-mouthed, head-back pose of many dino fossils
...e numerous camel-like fossils better than does the common explanation - that the animals died in a stream and were washed into an eddy or backwater. The authors also point to a fossil of Allosaurus, a T rex-like animal, that displayed bone lesions suggestive of a bacterial infection that also can lead to ...University of Manchester researchers reveal clues to new genes behind rheumatoid arthritis
...t of the largest ever study of the genetics behind common diseases. The 9M Wellcome Trust Case Control Con...or boost to the understanding of genetics of seven common diseases, including RA. As well as providing insights into what leads some people to develop the dis...Dietary preferences and patterns may be linked to genes
...udy participants, approximately 85 percent had the common TT and TC genotypes, whereas 15 percent of partici...o be obese, as compared to those with the two more common alleles. In addition to preference for dietary fat, the researchers found evidence that the APOA2 ...New collaborative research reveals chimpanzees can sustain multiple-tradition cultures
...g further evidence chimpanzees and humans shared a common ancestor five to six million years ago who had a similar level of cultural complexity. For years, primatologists have suggested different communities of chimpanzees across Africa vary in many behavior patterns, indicating they have cultures specifi...Pesticides choke pathway for nature to produce nitrogen for crops
...in overall symbiotic nitrogen fixation. The most common explanation for the observations is an overuse of agrichemicals applied to legume crops. That practice sets up "a vicious cycle," Fox said, because it reduces a legume crop's natural need for nitrogen fixation but leaves a shortage of natural nitroge...Largest ever study of genetics of common diseases published today
...ium, the largest ever study of the genetics behind common diseases such as diabetes, rheumatoid arthritis an...pieces of genetic information. "Many of the most common diseases are very complex, part 'nature' and 'nurture', with genes interacting with our environment ...Caribbean frogs started with a single, ancient voyage on a raft from South America
... of the Caribbean-island frog species had a single common ancestor," Hedges said. The anatomy of Caribbean frogs previously had led the advocates of both theories to conclude that species in Cuba and other western-Caribbean islands were related to different mainland species than were the species on Puerto...Crucial progress in understanding Fragile X mental retardation protein
... also have implications for autism, which shares a common physiological pathway with FXS. Fragile X syndrome is mainly caused by a mutation in the FMR1 gene on the X chromosome, leading to the loss of FMRP, which is abundantly expressed in the brain and testes. Without this protein, brain development is...Neuronal activity gives clues to working memory
...Cornell Medical College say their experiments with common goldfish are uncovering the secrets of a form of s.... Mark Goldman of Wellesley College, turned to the common goldfish. "It's really quite difficult to test the function of individual brain cells in primates ...Research team identifies new Alzheimer's gene
... ever before has enabled researchers to identify a common gene that appears to increase a persons risk for d... journal, Neuron. Alzheimers disease is the most common form of disabling memory and thinking problems in older people. The progressive neurological disorde...A new plant-bacterial symbiotic mechanism promising for crop applications
...that initiates the rhizobia-legume symbiosis. This common model requires the presence of several nod genes which allow synthesis of the Nod factor, a compound elaborated by the bacterium which enables the plant to recognize it, by molecular recognition, thereby allowing the microorganism to penetrate inside...Finding protection from tumor growth in unexpected places
...direct role in controlling blood pressure and is a common therapeutic target in hypertension. However, it also plays roles in such diverse processes as fertility, immune cell development, and atherosclerosis, and a few studies have even suggested a role for ACE in generating an effective immune response. In...It's safe for obese moms-to-be to lose weight during pregnancy, new SLU research finds
...re obese and had gestational diabetes, a condition common in about 7 percent of all pregnancies. Of the 96 women studied, 39 dieted and exercised to control their weight and 57 followed the diet routinely given to patients who have gestational diabetes. Those who exercised were supervised riding a semi-re...Evolutionary relevance of retinoic acid-induced craniofacial malformations
... conclude with the hypothesis that modulation of a common regulatory signalling mechanism could be at the origin of changes in jaw structures between species. The implications of these findings go much beyond the original scope of this study and will have a major impact on developmental biology and evolut...Breakthrough for treatment of fatal heart condition
...says Dr Ooi. Cardiac hypertrophy is a relatively common condition often caused by high blood pressure, or ...he problem is not fully known. It is also the most common cause of sudden cardiac death in athletes, as hypertrophic hearts are unable to cope with intense ph...American Chemical Society's Weekly PressPac -- May 30, 2007
... developed chemical analogues, or variants, of two common high explosives in which carbon atoms have been replaced by atoms of silicon, the element in ordinary beach sand. Because of the extreme sensitivity of the compounds, which the researchers did not expect, only a limited number of tests could be perfo...Ethanol injection helps manage bone metastasis in thyroid cancer patients
... thyroid cancer is often listed among the top most common causes of metastatic bone lesions. The primary treatment for patients with thyroid cancer is surgery, which is followed by thyroid hormone therapy. Radioactive iodine may be used to destroy thyroid cancer cells after surgical removal of the thyroid g...