Diatom genome reveals key role in biosphere's carbon cycle
...ticle in the Oct. 1 issue of Science. "Now that we have a glimpse at the inner workings of diatoms, we're ...d how diatoms use nitrogen, but we discovered they have a urea cycle, something no one ever suspected," Armbrust says. A urea cycle is a nitrogen waste path...Time running out for South Asian vultures, ecologists warn
...tris) is also declining rapidly. All three species have been listed as Critically Endangered, the highest ...environment until drugs that are safe for vultures have been identified, so we urgently need captive breeding of vultures as a precaution until that has bee...NIH awards new $14.5 million, five-year grant to the Scripps Research Institute
...e and the genomes of dozens of different organisms have been solved, scientists all over the world are bus...individual membrane protein "looks" like in nature have to rely on some other type of biophysical analysis. Currently, three fundamental technologies are...Studying the chemistry of drugs in wastewater
...ucts pose any health or environmental hazards. "We have unique measurement capabilities here at NIST, which help to confirm the presence of products that are difficult to identify," says chemist William MacCrehan. Measurement techniques and data collected throughout the project should help other laborator...New therapy for specific form of leukemia
...), connected to the Catholic University of Leuven, have discovered the possible cause of the disease in 6% of the T-ALL patients. The scientists have found small circular DNA fragments in the cells of these patients that contain the ABL1 cancer gene....Don't stand so close to me: A new view on how species coexist
...plaining how communities of species assemble: they have to give up being good at everything and 'trade off...know that they coexist precisely because they each have different life histories." The London researchers assembled a simple artificial community of parasit...DNA sequence controls expression of gene involved in cancer
Bethesda, MD - Scientists have discovered a DNA sequence that causes the destabilization, and hence decay, of the protooncogene bcl-2 (B-cell lymphoma/leukemia-2). Because the overexpression of bcl-2 is associated with cancer, this discovery may lead to new therapeutic strategies ...Penn receives grant for initiative to help understand genes' effects on medications
...ers to interdisciplinary research. Recent advances have paved the way for significant gains in understandi...t in our understanding of the influence that genes have on the response to medications. This award will expand the range of study into an exceedingly import...US researchers show cottonseed drug is cancer treatment booster
...eva that gossypol has been shown by many groups to have anti-tumour activities. But his team, under the leadership of Dr Marc Lippman and Dr Shaomeng Wang at the University'sComprehensive Cancer Center, has now demonstrated that a potential small molecule inhibitor of Bcl-2/xL proteins can boost the effi...Yearling horse auction to benefit equine research
...m director of the Middleburg center. The yearlings have been bred and cared for as part of the research pr...am at the Center. Yearlings sold at previous sales have matured to show, hunt, race, and jump. This year's sale includes a granddaughter of Secretariat whos...Commandeering cellular machinery: recognition mechanism to detect small molecules
Researchers have learned how to commandeer the complex machinery th...ular response to these small molecules, scientists have been attempting to understand them and solve their molecular structures with a goal of creating pha...National Science Foundation awards $2 million grant to UC Riverside
...southern California coastal sage scrub and deserts have been experiencing weed invasions primarily in the ...n has increased," Allen said. "Some of these weeds have been present for the past 100 years, but they are just now becoming dense, and they are replacing na...Amgen investigational therapy, AMG 162, increased bone mineral density with twice yearly injection
..."With the development of AMG 162, Amgen scientists have validated an entirely new pathway and novel mechan...ary mediator of bone resorption. Amgen scientists have confirmed the essential role of RANK Ligand pathway in the formation, activation and survival of ost...College students recognized & rewarded for their innovative work
...n announced its 2004 winners. This year's winners have found ways to improve existing atomic scale micros...and Shad Thaxton , 28, of Northwestern University have worked to create what they call "bio barcode amplified detection systems." The process has a simple ......ur ancestors. The study found modern humans have two genetically distinct types of head lice. One t... of biology at the University of Utah. "Kids today have head lice that evolved on two species of cavemen. One species led to us. The other species went exti...Offspring at risk from maternal occupational exposure to solvents
...(Sick Kids) and the University of Toronto (U of T) have linked maternal exposure to organic solvents in the workplace with poorer performance on measures of neurocognitive function, language, and behaviour in offspring. This research is reported in the October 2004 issue of the journal Archives of Pediatr...Endangered frogs coexist with fungus once thought fatal
Worldwide amphibian declines have reached crisis proportions. In many areas, habitat...e then, several lines of laboratory based evidence have suggested that B. dendrobatidis is to blame for the dramatic frog declines. But with little inform...Columbia University scientist wins 2004 Nobel Prize
...orts of the many faculty, students and fellows who have worked within our laboratories at Columbia University Medical Center. I have received enormous support over the years beginning with the scholarship I received to attend Columbi...A treatment, not a cure: Calcium silicate neutralizes an acidic stream
...s, many freshwater bodies in eastern North America have become acidified. When combusted, fossil fuels rel...ied watersheds in the world. "Years of monitoring have documented that Hubbard Brook receives high levels of acid precipitation from emissions largely orig...Fungus knocks a frog down but not out, raising questions about amphibian declines
...he same pattern has occurred the frog populations have been healthy and all of a sudden there is a crash ...ons were studied in the mid-1990's and appeared to have stabilized. Frog toes taken to identify and study individual frogs were later found to show evidence...