Circadian clock controls plant growth hormone
...esearchers said. In other words, the plant becomes more responsive to auxin at a certain time of day. Postdoctoral researcher Michael Covington and Stacey Harmer, professor in the Section of Plant Biology at UC Davis, used microarray chips to look at thousands of genes from the laboratory plant Arabidop...Scientists show that mitochondrial DNA variants are linked to risk factors for type 2 diabetes
... the nuclear genome, a recent study estimated that more than 20% of type 2 diabetes cases may involve mutations in the mitochondrial genome. In the study published today, the scientists compared two different rat strains; the strains possessed virtually identical nuclear genomes but different mitochondr...New system of wastewater treatment could reduce the size of treatment plants by half
...siderably reduces the size of treatment plants (by more than half) and it minimizes the resulting mud production. Jos Manuel Poyatos Capilla, researcher from the Department of Civil Engineering of the University of Granada , is the main responsible for this work, which has been directed by professor Er...New textbook illuminates the close links between evolutionary and molecular biology
...uman genetics, and biochemistry, it has become yet more evident that evolutionary principles guide biological phenomena at all levels, and are essential to a practical understanding of these phenomena. The authors, who are world-renowned experts from diverse biological backgrounds, illustrate how basic ...Swarming starlings help probe plasma, crowds and stock market
... theory he believed that this method would be much more accurate than the normal statistical analysis of such dynamic systems such as crowds or plasmas and it should be particularly good at picking up the phase transitions from disorder to order in such complicated systems. Initially the researchers...ESF EURYI award winner aims to stop cancer cells reading their own DNA
... generation of drugs that target cancer cells much more specifically than traditional chemotherapy, avoidi...py targets all dividing cells, and the aim to find more sensitive techniques. However Dekkers work is not just confined to cancer, having the broader goal ...Smokeless tobacco more effective than cigarettes for delivering dangerous carcinogens into the body
...n that the oral use of tobacco actually provides a more efficient means for delivering certain carcinogens into the body through the bloodstream, although cigarette smoke includes a host of carcinogenic products that arent a major factor in smokeless tobacco, Hecht said. The study participants included ...No evidence that widely prescribed statins protect against prostate cancer
... levels of androgens such as testosterone, it was more likely attributable to poor health rather than th...ay be lowering prostate cancer risk through one or more alternative pathways, but it doesnt appear to be working through reduction of male hormones, Sta...Rain forest protection works in Peru
...e limits, forests set aside by the government were more than 4 times better protected than areas not designated for conservation. This is another study from the Carnegie group showing the world how tropical forests can be systematically monitored amazingly quickly and at a reasonable cost. said Michael ...deCODE discovers cause of major subtype of glaucoma
...DE team discovered the variants by first analyzing more than 300,000 SNPs in Icelandic and Swedish glaucom...e some degree of exfoliation syndrome, and perhaps more than half of these individuals will go on to develop exfoliation glaucoma. The progression of glauco...Climate change and permafrost thaw alter greenhouse gas emissions in northern wetlands
...te change disrupts these frozen layers, or perhaps more importantly what will happen to all of that stored...here typically warming causes changes that release more greenhouse gases, which in turn causes more warming, and more emissions, and so on, she said. But...OHSU turns mouse into factory for human liver cells
...s going on only in rodents to be taken into a much more clinical setting. So I'm very happy about it." A...mates that each round of implantation can generate more than 20 million viable human liver cells. "We think we will have a real edge in terms of quality a...Genetic variation helps to understand predisposition to schizophrenia
...e scientists showed that this protein is 3.5 times more abundant in fetal than adult brains, supporting th...otein plays a key role in brain development and is more abundant in fetal brains, DNA changes that alter the expression of this protein may contribute to sc...Gilbert Foundation and American Fed for Aging Research award grants on Alzheimer's disease
NEW YORK, August 10, 2007 By 2050, more than 106 million people worldwide are forecasted t...atments become available. To address the need for more research into the prevention, diagnosis and treatment of Alzheimers, six early-career scientists wer...1 of deep ocean's most turbulent areas has big impact on climate
...enerated by the extraordinarily intense turbulence more than a mile below the oceans surface, St. Laurent and crew used a custom-made instrument called the "turbulence profiler," outfitted with special sensors. The turbulence profiler measured the output using watts, the same unit of measurement as pr......solated and windswept Patagonia coast to safeguard more than half a million penguins and other rare seabir...0 percent of the entire species. The park includes more than 40 small islands, which support the only two nesting colonies of southern giant petrels on the ...Evolution is driven by gene regulation
...uence of DNA regulatory regions, or promoters, are more variable than the sequences of their corresponding...fferent species. By using a group of closely and more distantly related yeast whose sequences were well documented, we were able to see functional differe...A study by the MUHC and McGill University opens a new door to understanding cancer
... cancer cell growth is vital to the development of more targeted treatments for the disease. An article pu...sult, the effects of the growth factor become much more pronounced, which results in an unrestrained proliferation of cells that can become a cancer. In ...Research shows skeleton to be endocrine organ
...ch produce the bodys supply of insulin, to produce more insulin. At the same time, osteocalcin directs fat cells to release a hormone called adiponectin, which improves insulin sensitivity. This discovery showed for the first time that one hormone has a synergistic function in regulating insulin secretion......simple terms, individuals become obese if they eat more calories than they burn. However, the molecular pa...mus are lean because they eat less and move around more than normal mice. These effects on behavior were associated with decreased signaling in the hypothal...