Genetic master switch sends bacteria toward 'seafood dinner'
...of degraded chitin bind to the binding protein and remove the 'lock,' allowing the master switch to move into a 'plus' or 'on' position." When the switch is on, the bacteria's genes get to work, moving the organisms along the trail of partially degraded chitin back to its source material, like a hungry tr...Academy Harbor Consortium releases letter on mercury to President Bush
...Consortium pertinent to EPA's current proposals to remove mercury from the chemical toxics list, extend the time frame in which a 90% reduction of mercury emissions will be achieved and the latest wording in the draft joint EPA/FDA fish consumption advisory. The Harbor Consortium has devoted the last sever...'Panning for gold' in the maize genome
...d accelerate due to two complementary methods that remove from analysis vast stretches of DNA that do not contain genes. The approaches, applied jointly in efforts to determine the gene sequences in maize, are described in the Dec. 19 issue of the journal Science. The evaluation of these methods and the a...Tools from the Human Genome Project reveal a versatile microbe
...t are often found in industrial waste. It also can remove carbon dioxide, a gas associated with global warming, from the atmosphere. Scientists at Lawrence Livermore National Laboratory used high-tech sequencing machines to sequence the genome and sophisticated software to piece the genome togethe...NASA scientists discover spring thaw makes a difference
...region. The longer growing season allows plants to remove more carbon dioxide from the atmosphere over a longer period of time. Carbon dioxide is an important greenhouse gas that, if left in the atmosphere, would promote additional warming. The plants release oxygen and store the carbon as biomass t...Scientists decipher genome of bacterium that remediates uranium contamination, generates electricity
...terium a member of a family of organisms that can remove dissolved uranium from groundwater possesses extraordinary capabilities to transport electrons and "reduce" metal ions as part of its energy-generating metabolism. The authors conclude that Geobacter "clearly has potential for bioremediation of radi...Mouse embryonic germ cells and male gametes created in the lab
...rom an adult animal, such as a skin or blood cell, remove its nucleus, which contains all the genes, and place that nucleus inside an egg whose own nucleus has been removed. This process of nuclear transfer creates an early embryo and somehow - no one knows quite how - erases the genetic markers instructi...Scientists announce long-sought mouse model of human pancreatic cancer
... matter of months because they are too advanced to remove surgically by the time they cause symptoms. Moreover, the standard treatments of chemotherapy and radiation are largely ineffective, for reasons that may become clearer as researchers study the biology of the disease in mice. "This model shows great ...Breakthroughs lead to better understanding in prevention of transfusion-transmitted infection
...eukoreduced blood components are those filtered to remove white blood cells, which can carry the virus and t... Harvested white blood cells (WBCs) were washed to remove serum and any free virus, which were PCR positive and RT-PCR negative for MCMV (defining latency). ...How lice and bird feathers stick together
...re unable to use the overhang of the upper beak to remove lice. Normally, a bird's beak "is like a guilloti...ff parts of the lice and crushes or slices them to remove them." After two months, the scientists counted the number of lice on each bird, and found big lice...Expedition will retrace legendary Steinbeck-Ricketts voyage to the Sea of Cortez
...where credit is due: The controversial decision to remove Ed Ricketts as co-author of The Log from the Sea of Cortez The question of who actually wrote Sea of Cortez is one of the stranger chapters in the Steinbeck-Ricketts legend. The original book, Sea of Cortez: A Leisurely Journal of Travel and Research...Professor uses satellites to protect Amazon forests, global climate
...as substantially impeded the ability of forests to remove carbon dioxide from the atmosphere. The Amazon acts as a giant carbon sink, drawing carbon dioxide, required by plants for life, out of the atmosphere and into the forest. The biomass in the forest then absorbs and stores it, keeping a portion of glo...Purdue researchers create templates on retinal tissues
...ithelial cells deliver nutrients to the retina and remove waste products. Macular degeneration is caused by a deterioration of these cells. The research paper was written by Ivanisevic and visiting student Nicole Onyenenho from the University of Maryland. Ivanisevic is associated with ...Gastrointestinal specialists comment on new study on 'Virtual' colonoscopy
...lonoscopy will require conventional colonoscopy to remove polyps 6mm or larger. Dr. Rex added, "Thus virtual colonoscopy is a diagnosis-only test, whereas conventional colonoscopy remains the only strategy that allows both diagnosis and treatment in a single session. The relative cost-effectiveness of vi...$51 million research facility, classroom complex breaks ground at UH
...from vibrations, as well as special air filters to remove dust particles. For additional information about the SERCC, including graphics of the complex, visit http://www.uh.edu/media/serc . WHO: Cesar Pelli and Fred W. Clarke, chief architects of the complexBoth are available for interviews WHAT: G...Edible urban plants found to contain lead
...and colleagues wanted to see if green plants could remove lead from contaminated soil or, at a minimum, stabilize the lead in the soil to reduce exposure of humans and animals to the toxin. Other authors on the paper are Mary E. Finster, a Northwestern University graduate student working with Gray, and Hel...Smallpox in Europe selected for genetic mutation that confers resistance to HIV infection
... the population before reproductive age. "When you remove children from a population, you remove more of the reproductive potential for the species, compared to losing older people, who are not rep...Study of primitive life form expected to provide clues to biological processes in higher organisms
...horylating them, and the protein phosphatases that remove the phosphate groups. Ultimately, he hopes to not only identify all the pieces in the phosphorylation network, but to also dissect the functional relationships between them. The end product will be a molecular map describing how such a network funct...Golfing toward a greener environment
...traveling." Over time, he adds, soil microbes will remove the nitrate from the rubber layer, which could remain intact for last years. While some environmentalists may be concerned that chemicals released from the tires will percolate into the environment, Park says numerous scientific studies show that the...Fox Chase Cancer Center study: Novel DNA-repair gene mutation can cause resistance to cancer drugs
...epair activity, the enzyme acts like a scissors to remove an altered DNA base in a system called base-excision repair.The enzyme also interacts with another protein in the mismatch-repair system. This system recognizes mismatched DNA bases during a cell's reproductive cycle, when a cell divides and must du...