In a paper published in the July 29 issue of Science, James Simmons and Mary Bates of Brown University, along with researchers from the Republic of Georgia, reveal how bats expertly use echolocation to hone in on specific targets, such as prey organisms, without being distracted or set off course by background objects in their environments.
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An international consortium of scientists has produced the first systematic network map of interactions that occur between proteins in the plant Arabidopsis thaliana. (Arabidopsis is a mustard plant that has 27,000 proteins and serves as a popular model organism for biological studies of plants, analogous to lab rats that serve as popular model organisms for biological studies of animals.)
An Emory University study published online today in Pediatrics suggests consuming Omega 3 fatty acids during pregnancy helps protects babies against illness during early infancy.
The randomized, placebo-controlled trial followed approximately 1,100 pregnant women and 900 infants in Mexico. The women were supplemented daily with 400 mg of Docosahexaenoic Acid (DHA) supplements in the algal form or placebo from 18 to 22 weeks gestation through childbirth.
August 1st, 2011, Shenzhen, China and San Diego, CA – BGI, the world's largest genomics organization, and GT Life Sciences, Inc., a privately held biotechnology company that utilizes a proven metabolic modeling and experimental platform to drive the discovery and design of new products and processes for the life sciences field, announced today that their collaborative study on the genomic sequence of the Chinese hamster ovary (CHO) K1 cell line was published online in Nature Biotechnology.
The research group of Professor Pekka Lappalainen at the Institute of Biotechnology, University of Helsinki, has identified a previously unknown mechanism which modifies the structure of plasma membranes in intestinal epithelial cells. Unlike other proteins with a similar function, the new protein – named 'Pinkbar' by the researchers - creates planar membrane sheets. Further research investigates the potential connection of this protein with various intestinal disorders. The study was published in the prestigious Nature Structural & Molecular Biology journal.
Jerusalem, August 1, 2011 – A method to use paper mill waste to produce ecologically friendly, industrial foams from renewable resources has been developed by a graduate student in agriculture at the Hebrew University of Jerusalem.
BETHESDA – In a 2-1 decision, a federal appeals court today partially reversed a lower court's ruling in a case challenging patents on two human genes, BRCA1 and BRCA2, associated with hereditary breast and ovarian cancer. The court ruled that companies can obtain patents on the genes but cannot patent methods to compare those gene sequences.
Under normal conditions, cyanobacteria, also termed blue-green algae, build up energy reserves that allow them to survive under stress such as long periods of darkness. They do this by means of a molecular switch in an enzyme. By removing this switch, it should be possible to use the excess energy of the bacteria for biotechnological purposes such as hydrogen production, without the bacteria suffering. This was found out by researchers at the Ruhr-Universität led by Prof. Dr. Matthias Rögner (Biochemistry of Plants, Faculty of Biology and Biotechnology).
CORAL GABLES, FL (August 1, 2011) — Researchers from the University of Miami (UM) and the University of Heidelberg in Germany have developed a mathematical model to understand and predict the progress of a tumor, from its early stages to metastasis, in hopes of creating highly personalized treatment strategies for patients who have cancer. The findings are published in Nature's new online journal Scientific Reports.
Alexandria, VA — Tobacco related disease is a primary source of mortality for African American men. Recent studies suggest that "alternative" tobacco products may have supplanted cigarettes as the most common products used by young African Americans, according to new research published in the August 2011 issue of Otolaryngology – Head and Neck Surgery.
Washington, D.C. – Colon cleansing - it's been described as a natural way to enhance well-being, but Georgetown University doctors say there's no evidence to back that claim. In fact, their review of scientific literature, published today in the August issue of The Journal of Family Practice, demonstrates that colon cleansing can cause side effects ranging from cramping to renal failure and death.
CHAMPAIGN, Ill. — Whatever does not kill a plant may actually make it stronger. After being partially eaten by grazing animals, for example, some plants grow bigger and faster and reproduce more successfully than they otherwise would. In a new study, researchers report that one secret to these plants' post-traumatic triumph lies in their ability to duplicate their chromosomes – again and again – without undergoing cell division.
During the 1970s and 1980s, researchers and policymakers became increasingly worried about multiple consequences of acidic emissions of sulfur dioxide and nitrogen oxides from the stacks of power stations, and eventually they were controlled. In Europe, there was much concern about the effects on Sweden's many lakes, which were found to be in some cases strikingly acidic. The Swedish government instituted a program of countering the acidification by adding thousands of tonnes of lime to the lakes.
Cold Spring Harbor, NY – A team of scientists at Cold Spring Harbor Laboratory (CSHL) has laid bare the mechanism behind a phenomenon called oncogene addiction in mice suffering from a form of leukemia that mimics acute myelogenous leukemia (AML) in humans. Significantly, the team was able to mobilize their newly gained understanding to target "addiction" pathways in the model mice, resulting in rapid and complete eradication of the cancer, which is usually fatal and resistant to conventional chemotherapy.
A new national collaboration of asthma genetics researchers has revealed a novel gene associated with the disease in African-Americans, according to a new scientific report.
By pooling data from nine independent research groups looking for genes associated with asthma, the newly-created EVE Consortium identified a novel gene association specific to populations of African descent. In addition, the new study confirmed the significance of four gene associations recently reported by a European asthma genetics study.