Diatom genome reveals key role in biosphere's carbon cycle
...racteristically ornate silica frustule. "Diatoms can manipulate silica in ways that nanotechnologists can only dream about. If we understood how they can design and build their patterned frustule as part of...NIH awards new $14.5 million, five-year grant to the Scripps Research Institute
...o produce membrane protein samples that scientists can use to solve structures and investigate physiologi...ynman, just look at the thing. A lot of biology can be understood simply by seeing what a molecule looks like, but the scale of biological molecules is ...New therapy for specific form of leukemia
...acted with the drug Glivec, and so this medication can now also provide help to a number of T-ALL patient... a role. The new research results show that Glivec can also provide a better treatment for a small group of T-ALL patients. Jan Cools has already successfu...Don't stand so close to me: A new view on how species coexist
...asures, shaped by evolution, such as how often you can reproduce; how many children you will have; how long you can live for; and crucially, how good you are at getting food on which to survive. "You can't be good at...DNA sequence controls expression of gene involved in cancer
...e that, when mutated or inappropriately expressed, can cause a cell to become cancerous. Normally, bcl-2 ...ors from producing holes in the mitochondria which can result in calcium and destructive proteins leaking out into the cell. However, the overexpression of...Penn receives grant for initiative to help understand genes' effects on medications
...ant gains in understanding how genetic variability can alter drug response. Despite this promise, the nat...s to collaboration so that a true meeting of minds can take place that will broaden the scope of investigation, yield fresh and possibly unexpected insight...US researchers show cottonseed drug is cancer treatment booster
...tial small molecule inhibitor of Bcl-2/xL proteins can boost the efficacy of radiotherapy and chemotherapy. They showed that the molecule, (-)-gossypol (minus gossypol)[2], inhibited the anti-apoptotic function of Bcl-2/xL in cells, and increased induction of apoptosis (programmed cell death) and made th...32 new grants made for innovative technology R&D
...el primary and cogeneration distributed power that can cycle repeatedly and be more easily fabricated int...oduction of fully human polyclonal antibodies that can be used to treat a wide range of infectious and autoimmune diseases, in cancer treatments, to addres...Commandeering cellular machinery: recognition mechanism to detect small molecules
...er small molecules. "Now we have to see how far we can push this and how many small molecules we can accommodate with this technique," Doyle said. "We are trying to generalize this approach to genetic...National Science Foundation awards $2 million grant to UC Riverside
...t because they out-compete native species and they can contribute to the spread of wildfires. "Nitrogen d...ic, Allen said, because they form a fine fuel that can help carry fire during the dry season, more so than any of the state's native species. The grass inv...Amgen investigational therapy, AMG 162, increased bone mineral density with twice yearly injection
...d to a loss of independence. A vertebral fracture can result in loss of height and stooped posture, as well....College students recognized & rewarded for their innovative work
...t the small amount of pressure exerted by the pins can clamp internal tunnels shut. By creating a computer program that can vary the patterns of applied pressure, his device can pump, mix, and shut off flow. A native of Ann...An embryonic stem cell model for Parkinson's disease
...own. Part of the challenge is finding a model that can adequately mimic the loss of dopamine cells. In two papers published in PLoS Biology , Asa Abeliovich and colleagues make the case that a model based on mouse embryonic stem cells offers a promising platform for dissecting the disease mechanism of P...Offspring at risk from maternal occupational exposure to solvents
... properties that make them easily inhaled and they can easily penetrate skin. Work environments where solvents are used include manufacturing and industry jobs involving painting and plastic adhesives, nail salons, dry-cleaning operations, and medical laboratories. "Reducing exposure to organic solvents ...Endangered frogs coexist with fungus once thought fatal
...ellensis , a rainforest frog listed as endangered, can persist in the wild with stable infections of this...ate the fungus as the agent of mass declines, they can rule out the possibility that the fungus caused the decline, then vanished from the area, allowing f...Columbia University scientist wins 2004 Nobel Prize
...ly one type of odorant receptor, and each receptor can detect a limited number of odorant substances, so ...In humans, smells warn us if food has gone bad and can be powerful enough to trigger distinct memories years later. Axel and his colleagues also d...A treatment, not a cure: Calcium silicate neutralizes an acidic stream
...eturn to Earth in rain, snow, sleet, hail and fog, can compromise the health of aquatic ecosystems. In a...neutralizing effects are short-lived, however, and can generate extreme fluctuations in water chemistry. Recognizing the limitations of limestone, Likens a...Fungus knocks a frog down but not out, raising questions about amphibian declines
...cted frogs. "This shows that frog populations can persist with an endemic infection of the chytrid f...aid. "Our records show that frogs with the fungus can persist for three years, but we don't know whether these frogs coexist with the fungus during that t...How roots control plant shoots
...asy to think only about the above-ground parts you can see," says Leslie Sieburth, who led the study and ...d to seed, and fertilizes itself so mutant strains can be maintained as seeds. Most plants are believed to have genes similar to those in thale cress, whic...Research team develops nonhuman primate model of smallpox infection
...at variola virus, the causative agent of smallpox, can produce lethal disease in monkeys. Smallpox, a devastating disease, was eradicated in 1979 through the efforts of the World Health Organization (WHO). Currently, infectious variola is known to exist only in two WHO-sanctioned repositories, one in Ru...