Origen publishes in Nature a robust and versatile method for creating transgenic chickens
...enic chickens through this technology, and then to scale up production through conventional breeding further adds to the practicality of this technology for large-scale production of therapeutic proteins." In the early embryo, only a few cells known as primordial germ cells (PGCs) become sperm or eggs in ...Who are we up against? Local vs. global competition influences cooperative behavior in humans
...within groups. The findings show that the spatial scale of competition influences cooperative behavior, and may drive evolutionary changes that affect the social behavior of a given species. The authors point out that the responses observed in their study could be exploited by engineering the structure of...Newborn screening can cause unnecessary parental stress
... the PSI: a Parent-Child Dysfunctional Interaction scale and a Difficult Child scale. (The first asks parents to rate their agreement with statements like "I expected to have closer and warmer feelings for my child, and this bothers me"; the second has statements such as "My child makes more demands on me...Researchers offer new insights on arid, semiarid landscapes
...ndscape, then integrate the information from broad scale to fine scale to determine the most important influences. Finally, "look forward" in time to the effects of variab...WHO expert to edit first international influenza title as pandemic fears grow
...fluenza vaccines, how viruses are evolving and the scale of the global problem will be just three of the subject areas tackled by the first issue when it debuts in October 2006. Influenza and Other Respiratory Viruses will also cover a range of other respiratory viruses, such as Severe Acute Respiratory Sy...New approach allows closer look at smoker lungs
...s to look at lung micro-structures that are on the scale of less than a millimeter." Cigarettes can contribute to the onset of respiratory conditions such as emphysema, bronchitis and asthma. In emphysema in particular, the alveoli - tiny sacs in the lungs that transfer oxygen to blood - gradually break do...Most extensive survey ever of world's tropical forests shows upward trend in sustainable management
...natural forest was being managed on an operational scale for the sustainable production of timber, the answer was 'almost none,'" said Professor Duncan Poore, who played a leading role in both surveys. "While there were some positive aspects of management in Asia, in Latin America and in the Caribbean, onl...'Mercury sponge' technology goes from lab to market
...l Solutions began producing SAMMS on an industrial scale in March. "We now have commercial quantities of the material available, and are working with customers on specific applications," Jones said. EPA estimates that coal-fired power plants contribute about 48 tons of mercury to the United States enviro...Chimpanzee study reveals genome variation hotspots
...t time this has been investigated on a genome-wide scale in a population sample of nonhuman primates," Perry says of the findings published May 15 in the online early edition of the journal Proceedings of the National Academy of Sciences (PNAS). Perry, who is the study's lead author, says: "These copy numb...Scientists discover two genes linked to early heart attack risk
.... "VAMP 8 could be a target for a new drug." Large scale studies like this one, with well-characterized samples from carefully selected patients, hold significant promise to enable the development of new diagnostics and targeted therapeutics, the scientists say. "In order for genetic marker studies to tran...'Smart' genetic therapy helps the body to heal itself
...d muscle cells. We are optimistic that this small scale trial will be the precursor of major clinical studies, which will lead in turn to a safe and efficient full body treatment for DMD patients. Currently no therapy is available for this disease, which represents a huge psychosocial and economic burde...Broad Institute scientists awarded $18M CARE grant
...at are most relevant for human disease. "The sheer scale of this project with genetic data collected from as many as 50,000 participants allows for more in-depth analyses of diseases across multiple races and ethnicities," said NHLBI Director Elizabeth G. Nabel, M.D. "The database will be a tremendous res...Tiny polyps gorge themselves to survive coral bleaching
...t survive while other species may not, on a global scale it is unlikely to re-colonize areas where less-resilient species died. "Recent projections suggest that with the current rate of warming, as much as 60 percent of the world's coral reefs could be lost within the next 10 to 30 years," she said. "We h...Nano machine switches between biological and silicon worlds
...d to develop molecular circuits, or even molecular scale mechanical devices. The potential applications are difficult to predict, but are only limited by the imagination of researchers, such is the versatility of an actuator on this scale. "It could be used as a communicator between the biological and sil...Attention shoppers: Researchers find neurons that encode the value of different goods
...a common value scale. Assigning values on a common scale allows comparing goods, like apples and oranges, that otherwise lack a natural basis for comparison. Previous work in other laboratories showed that lesions to the OFC can result in choice deficits such as eating disorders, compulsive gambling, and ...Diverse tropical forests defy metabolic ecology models
... energy proposes a rule that total tree abundances scale as the -2 power of diameter, and we were hopeful that it would apply. But we tested that prediction on data from 14 sites around the world --over 2 million trees--and it just did not hold up anywhere," continues Muller-Landau. The CTFS team subsequ...Research milestone brings goal closer of cheap antimalarial drug for developing world
...nd inexpensively. Ro admitted, however, that large scale production of the drug by yeast could turn out to be a superior strategy. "Yeast is an easier host in which to express the P450 enzyme that transforms amorphadiene to artemisinic acid," he said. "However, we plan to push forward with engineering the ...Global warming capable of sparking mass species extinctions
...ate change on terrestrial biodiversity on a global scale rather than just looking at individual species. Scientists looked specifically at the effect that climate change would have on 25 of the 34 globally outstanding "biodiversity hotspots" areas containing a large number of species unique to these regi......l disorganization as examples of the type of large scale changes that must be studied. "While not as scientifically straightforward as typical HIV investigations, we ignore these issues at our future peril," noted Dr. Friedman. "Cross disciplinary and multidisciplinary studies are essential in these stu......l (ARC) Centres of Excellence scheme to create the scale and focus required to build on existing research strengths through collaboration, and to be internationally competitive. "ARC core funding and major support through Queensland Government Smart State research funding has been vital in building capaci...