New petroleum-degrading bacteria found at Rancho La Brea Tar Pits in Los Angeles
...l properties, allowing the bacteria to survive and grow in heavy oil and natural asphalt. Trapped in soil that was mixed with heavy oil nearly 28,000 years ago, the bacteria are uniquely adapted to the pits' oil and natural asphalt, and contain three previously undiscovered classes of enzymes that can n...Enhanced MR-guided focused ultrasound guidelines demonstrate improved efficacy and durability
...porary relief of symptoms, and fibroids frequently grow back once therapy is terminated. Summary of Data *Dr. Gee's Poster: "Enhanced MR guided Focused Ultrasound Surgery (MRgFUS) Guidelines Demonstrates Improved Efficacy and Durability for the Treatment of Uterine Myoma" Patients treated under exp...The stem cells that weren't there
...e very limited, so researchers are seeking ways to grow islets in the laboratory. Another potential implic...s group found that beta cells renew themselves and grow slowly. Unexpectedly, the researchers found the beta cells undergo a prolonged waiting period before......olding, determines cell shape, helping the cell to grow and develop "growth cones." These are specialized structures at the tips of growing nerve fibers, called axons, which sense guidance signals in their environment and "steer" the axons. Cell movement also requires polarization to position the cell a...Vitamin extends life in yeast, Dartmouth Medical School researchers find
...ce live longer and lowering the glucose that yeast grow on extends their lifespan, according to Dr. Charles Brenner, associate professor of genetics and of biochemistry, who led the research. If we could do this in humans -- give people a drug or vitamin that would mimic effects of calorie restriction w......bules. They are dynamic structures that constantly grow and shrink by adding on or taking off individual b...owards the posterior of the cell. The microtubules grow until they reach the borders of the cell and touch the cortex. Upon contact with the cortex, the fil...New Arizona alliance aims to boost technologies for medical diagnostics and human health
Arizonas bioscience efforts continue to grow through an extensive, statewide collaborative network of initiatives. Now, research capabilities are being allied around the state in a new effort to improve medical diagnostics and human health. The Arizona Proteomics Alliance (AZPA), a statewid...Scientists discover rare 'gene-for-gene' interaction that helps bacteria kill their host
... produces it to kill off other microbes that might grow in the corpse of the dead insect. To test their findings, the researchers produced a mutant Photorhabdus that is unable to make ST. Without ST, the bacteria were less virulent. The researchers then used a technique known RNA interference to preven...Alien plants attack using 'resource conservation' as weapon, researchers say
...iently, however, they can photosynthesize-and thus grow and spread-faster, according to Funk and Vitousek. To compare the resource-use efficiencies of alien and native plants, the researchers studied three ecosystems in Hawaii-a forested area with limited light, volcanic soils with low nutrients and a d...A rainbow of methods promises insights into biological processes and diseases
...ntent/full/2007/10/pdb.prot4743 ) describes how to grow cells from bacteria, yeast, insects, or mammals in media containing the stable isotope nitrogen-15. As the cells grow, they produce nascent proteins that include nitrogen-15, a marker that distinguishes newly formed metabolic products from pre-exist...Why do oysters choose to live where they could be eaten?
... captured versus landing on a suitable location to grow was conducted, it was found that more than 95 percent of an oyster reef is a safe zone for larvae. Given this low cannibalism risk at settlement, future payoffs appear to have driven the evolution of a gregarious settlement cue that promotes group li...When smell cells fail they call in stem cell reserves
...ties. "We were stunned because HBCs normally don't grow much or do anything," says Reed. "And the most surprising thing is that HBCs can grow into both nerves and non-nerve cells; they do so by generating the other active type of nasal stem c...Researchers 'look into' plant cells to increase ethanol yields
...the tissue of recently dead plants, or plants that grow and die annually. This distinguishes the current supply of plant biomass - to be used for cellulosic ethanol - from plant matter that died eons ago and through time created our current supply of carbon fuels, namely coal and oil. This is why plant bi...News tips from the Journal of Biological Chemistry
...h communication, called quorum sensing, helps them grow within a host without harming it, until they reach a certain concentration and become more aggressive. Of the many bacteria known to communicate by quorum sensing, Pseudomonas aeroginosa is the most studied because it causes death in the majority of ...UC researchers shatter world records with length of latest carbon nanotube arrays
...egic mission statement. "First, we were able to grow the arrays up to 18 mm," he says, ticking off the achievements. "Second, we produced a uniform carpet of 12-mm carbon nanotube arrays on a 4-inch wafer, which moves the invention into the field of scaled-up manufacturing for industrial application. T...... lake fish. When water fleas and other zooplankton grow rapidly by feeding on high quality food, the rate at which methylmercury is accumulated and transferred through the food chain may decrease, the research suggests. This same effect could occur in other organisms for other contaminants, such as PCBs...Study links faulty DNA repair to Huntington's disease onset
...mained untouched, and the inserted segment did not grow at all or it grew far less than in mice carrying a working version of OGG1. These findings show that while doing its part in removing oxidative lesions, OGG1 triggers a far more damaging effectthe DNA expansion associated with Huntingtons disease....Brain networks strengthened by closing ion channels
...getfulness and susceptibility to distraction as we grow older. The research is also relevant to common disorders such as ADHD, which is associated with weaker regulation of attention and behavior. ADHD is highly heritable, and some patients with ADHD may have genetic changes in molecules that weaken the p...Scientists track impact of Asian dust and pollution on clouds, climate change
...rm water droplets or ice particles that eventually grow and fall out of the clouds as rain or snow. In addition, the dust and pollutants reduce the amount of light reaching Earth, contributing to a phenomenon known as global dimming that can affect both temperatures and precipitation. The Gulfstream-V...Researchers identify key gene that may be a marker of breast cancer metastasis
...lls develop resistance to the drug and are able to grow and spread independent of estrogen," said Fox Chase Cancer Center biochemist Joan S. Lewis-Wambi, Ph.D, who presented the results of the study of aggressive AI-resistant breast cancer cells. "Our laboratory has developed several AI-resistant breast c...