An Equal Opportunity Extinction? Cincinnati Geologists Find Global Impact from Permian Die
...examined data on articulatebrachiopods, which were diverse groups at the time, they found notrend at all. "Ea...it during the extinction event. "They gofrom super diverse to almost nothing," said Ebersole. "So, they make a very good candidate for studying global trendsin...Disease Resistance Mechanism Identified in Plants
...lication. "It turns out that plants resist diverse pathogens -- includingbacteria, fungi and viruses -- by using very similar defense mechanisms. By understanding how a plant recognizes one pathogen, we should begin to understand how plants identify many different pathogens," Martin said. "T...Mechanism For Disease Resistance Identified In Plants
...lication. "It turns out that plants resist diverse pathogens -- includingbacteria, fungi and viruses -- by using very similar defense mechanisms. By understanding how a plant recognizes one pathogen, we should begin to understand how plants identify many different pathogens," Martin said. "T...Researchers Find How Disease-resistant Plants Recognize Bacteria
...wide application. "It turns out that plants resist diverse pathogens -- including bacteria, fungi and viruses -- by using very similar defense mechanisms," he says. "By understanding how a plant recognizes one pathogen, we should begin to understand how plants identify many different pathogens." The discover...A Sensor, A Switch, A Zipper: Protein Engineers Design Potential Tool
...proteins and are essential to processes as diverse as gene transcription, muscle contraction, viral attack, and cell division. Please acknowledge partial funding for this work from the National Institute of General Medical Sciences (NIGMS), a component of the Nationa...Stronger Evidence That Global Climate Change Can Reduce The Variety Of Life
...rbital cycles of tilt alsoinfluence biodiversity: diverse species-rich communities characterize warminterglacial periods like today (high tilt), while diversity dropssignificantly during glacial periods when global ice sheets expand in size(low tilt). The mechanisms that cause diversity to change ar...Evolution Re-Sculpted Animal Limbs By Genetic Switches Once Thought Too Drastic For Survival
...riation, Patelexplained, because insects have such diverse body plans. "But it turns out thatmuch of their diversity arises after this step in development," he said. "Thediversity comes not so much from controlling where in the embryo the homeoticgenes are initially expressed, but how other genes respond to ...Mutant Gene Not Sole Explanation For Hiv Non-Progression
...ong-term nonprogressors represent a diverse group," says Dr. Fauci. "Multiple immune system factors, genetic and other host factors, and viral factors contribute to the clinical profiles of these patients, who usually have preserved ...Limits Of Life On Earth: Are They The Key To Life On Other Planets?
...e new insights into how these organisms adapted to diverse environments, and shed light on the limits within which life can exist." NSF's directorates of biological sciences; engineering; geosciences; mathematical and physical sciences; and office of polar programs are providing total funding of $6 mill...First Selenium-Based Orally-Active Antihypertensive May Lead To New Family Of Therapeutic Agents
...f thetrace nutrient may play a role in diseases as diverse as cancer, heartdisease, arthritis and AIDS. Selenium is an antioxidant involved inmany important enzyme processes. Georgia Tech researchers developed the family of selenium compoundsand recognized their antihypertensive potential in the mid-1980s....Biodiversity Worth $2.9 Trillion
...r. The Cornell study counted natural services of a diverse biota, such as organic waste disposal, soil format...ity are possible only because our planet is such a diverse place. Every species that's lost diminishes that vast resource and makes us all poorer for the loss...Widespread Genus Of Monkeys Gives Up Genealogical Secrets To Columbia Researchers
... the evolutionary history and dispersal paths of a diverse group oforganisms, such as primates," Professor Melnick said. Macaques invaded Asia in what appears to be a series of waves, each timespreading and diversifying across the continent over a relatively short periodof time, according to the stu...Peutz-Jeghers Disease Gene Identified: Enzyme Loss Causes Polyps And Cancer
...onine or tyrosine residues. Kinases have highly diverse functions and are implicated in cell cycle regulation, growth control and signal transduction. The molecular mechanism by which STK11 controls cellular differentiation in the gastrointestinal tract and in other organs is currently unknown......ndustriesenhance the responsiveness of industry to diverse and changing consumer needs. "Two key area...dustry enhancing the responsiveness of industry to diverse and changing consumer needs. Many of the projects and activities that address elements of the initi...Emory University Fragile X Group Receives NIH Program Grant
... The seven projects will be led by a diverse group of both establishedand newer Emory investiga...tional Research Scholars are located in nations as diverse as Mexico,Australia and the former Soviet Republics. In conjunction with the NationalInstitutes of H...Researchers From Rockefeller University Develop Novel Method To Fight Cancer
...t are presented on a molecule called MHC, a highly diverse set ofproteins responsible for allowing dendritic cells to communicate with T cells.MHC molecules are different in each person, giving each individual a uniqueimmune system. Even the most common MHC molecule is found in only 50 percent ofCaucasians. ...Will The Loss Of Biodiversity Alter Ecosystem Functioning?
...iversity of Zrich, Switzerland will show that more diverse plant communitiesare more resistant to invasion by weeds, and other types of disturbance. Dr. V.Wolters, from the Justus-Liebig University, Giessen, Germany will underline thepotential importance of soil biodiversity in buffering against stress andhi...Smithsonian Institution Convenes Experts To Discuss Cocoa's Future
...an Tropical Research Institute (STRI)in Panama. A diverse group of people will address the positive role traditional cocoa farming plays in the tropics, and the issues, opportunities and research needed to ensure the future of ecologically sustainable cocoa production. "As the developing world faces an alar...Caribbean Lizards Evolve Independently
... to studyevolutionary diversification of this very diverse group. In a paper publishedlast year in Nature, Losos and others studied populations of one species ofAnolis that had been transplanted to small islands with scrubby vegetation. Based on their knowledge of how species have adapted over millions of y......e diversity of these landscapes, therestoration of diverse fire regimes is necessary....