Gene defect linked to premature aging
...nes in two different ways: helping to add chemical groups to DNA, in a process known as methylation, or by modifying protein structures called histones that help wind DNA into compact coils. "In order to grow and stay alive, cells depend on the PASG gene to reduce the activity of other genes, but it's a ver...K-State soil carbon sequestration research playing role in climate change efforts
... National Laboratory, in conjunction with research groups within the U.S. Department of Agriculture's Agricu...t and monitoring and verification systems. The two groups also will co-sponsor a symposium at the U.S.-Canadian Soil Science Societies Meetings in November in...Experimental smallpox DNA vaccine protects primates from lethal monkeypox
...ge with a lethal dose of monkeypox virus, the four groups of animals were closely monitored. Monkeys vaccinated with Dryvax showed no signs of clinical disease. Those receiving the L1R DNA vaccine developed severe monkeypox, but recovered, suggesting that this gene alone confers some protection. Monkeys v...New analysis gives cancer patients personalized prognosis
...tients into categories representing different risk groups with respect to cancer recurrence. Their statistic...s," successively splits patients into ever smaller groups having similar risk profiles. Such an analysis is repeated multiple times according to different cla...Measurement clarifies role between protein structure and cell adhesion
...cently published crystal structure. "Many research groups rely on crystal structures to determine the nature of chemical interactions that occur between the molecules when they are bound," Leckband said. "But we are finding that, particularly for these weakly binding interactions, there are other factors t...Citizens asked to monitor impact of invasive bird species
...us birders, beginners, families, classrooms, youth groups -- everyone is invited to become part of TBN. A registration fee of $15 ($12 for lab members) helps offset the cost of running the project. Participants receive a packet that includes a full-color poster of cavity-nesting birds, access to private and...Invention could improve PVC safety and strengthen $1.8-billion industry worldwide
...n the subject of much criticism from environmental groups regarding the use of potentially toxic stabilizers and plasticizers. But Starnes' patented ester thiols are safe, and just as effective as their counterparts. "The potential here is immense." Starnes said. "If people throughout the world can use PVC ...Brain cells become more discriminating when they work together
...s of the NationalAcademy of Sciences reports that groups of brain cells can substantiallyimprove their abil...ork structure is the degree of 'agreement' between groups of brain cells. That is what we have found in the form of the synchronous behavior of groups of cell...Hemochromatosis, inflammation and anemia
...e blood. The EMBL and Children's/Harvard research groups have now proved that HFE also plays a role in controlling the production of hepcidin when there is inflammation. They also showed that HFE is apparently not needed for any of the other common immune responses. During long-term inflammatory conditions...Tips from the Journals of the American Society for Microbiology
...ARDRA) was used to place the bacterial isolates in groups and a subset of each ARDRA group was established using 16S rRNA gene fragment sequencing. Results showed gram-negative organisms as the prevailing bacteria while y-Proteobacteria was identified most frequently. Also, bacterial contamination of the ...APS awards 55 minority travel fellowships to EB 2004 (April 17-21) in Washington, DC
...s and advanced undergraduate students for minority groups underrepresented in science (African Americans, Hispanics, Native Americans and Pacific Islanders). For more information, please contact Stacy Brooks at 301-634-7253 or sbrooks@the-aps.org , or visit http://www.the-aps.org/education/minority_prog/...Rutgers ecologists and Brooklyn Botanic Garden botanists to plan Beijing Olympics Forest Park
...ists and landscape designers will work together in groups that address plant, animal, and landscape issues. The team draws upon the expertise of faculty from a broad assortment of disciplines at Rutgers, Cook College and the New Jersey Agricultural Experiment Station, the Brooklyn Botanic Garden, Michigan S...Grant from GE Foundation to University of Houston to strengthen math, tech 'pipeline'
...stomized" mentors who represent minority or female groups and providing assistance to define appropriate service learning projects and application examples. GE also plans to host plant tours to showcase the technology in place in today's competitive energy environment....Genetic screening study at Stanford ID's most aggressive adult leukemia strains
...nes that are activated differently between the two groups were not previously known to be involved in AML. Studying these genes and their proteins could lead to new treatments for the disease, Pollack said. The Stanford researchers took the study a step further. Once the cancers were divided into the two gr...Study marks increased trends in infectious disease occurrences in our oceans
... increased in natural communities in several major groups of marine life during the past 30 years, suggests a new review of scientific literature by Cornell University and the U.S. Geological Survey (USGS), published in the April issue of the Public Library of Science: Biology. This study lends support for ...Fish no exception to trend in marine-organism disease
...play no apparent increases in disease levels; both groups have disease, but it does not appear to be increas...veloped in our paper can be used to identify those groups most in need of conservation."......fic literature to identify disease trends in major groups of marine organisms. Their analysis not only confi...asure the proportion of reports of disease in nine groups or marine organisms: turtles, corals, mammals, urchins, mollusks, seagrasses, decapods (crustaceans)...UF study: Barren Siberia, of all places, may be original home to animal life
...characters together, he determined where different groups originated and how closely related they were. While six inches is fast by comparison to today's continental movement of speed of one to two inches per year, it is far slower than that proposed by another prominent theory on early continental movemen...Scientists question reports of massive ant supercolonies in California and Europe
...other as different." The European and UCSD groups did agree on one point: The lack of aggression within the supercolony is the main reason Argentine ants have been more successful in the Mediterranean and California than in their native Argentina, where frequent territorial battles have kept the pop...'Crystal engineering' helps scientists solve 3-D protein structures
...certain large ones. This effectively shrinks bulky groups of atoms on protein surfaces that might otherwise prevent the proteins from crystallizing. "In order to determine a high-resolution structure of a protein, we need to study it in its crystal form," Derewenda explained. "Yet many proteins do not cryst...