UI researchers develop test indicating cystic fibrosis lungs are infected with bacterial biofilms
...t, the researchers showed that a normal laboratory strain of Pseudomonas grown in broth, where the bacterial cells live in a planktonic, or free-moving form, produced more of the long molecule than the short. They then tested P. aeruginosa strains isolated from CF lungs. All of the strains produced the sig...Tracking a genetic basis for alcohol-related hypertension
...larity in their makeup. A study has found that one strain of mice has a very different blood pressure respon...in different ways. All of the mice within a given strain are identical. In addition, the blood-pressure response of mice to alcohol is very similar to that ...Genetic defect in sporadic cases of the lung disorder pulmonary hypertension
...ssure in the artery serving the lungs. This puts a strain on the heart, which has to work harder to move adequate amounts of blood through the lungs to enable the person to breathe properly. Heart-lung transplants may be the only hope for some patients. It is twice as common in women as it is in men and ten...Bifidobacteria act as a barrier against infection
...vented them entering other cells, and killed off a strain of salmonella. The two strains also colonised the intestinal tract of mice, protecting them against lethal infection with salmonella. How the bifidobacteria develop their "antibiotic" substances is not known, but they are thought to work in concert w...AIDS vaccine study harnesses 'killer' immune cells to control virus, prevent disease in animals
...re successful in suppressing an unusually virulent strain of the AIDS virus and preventing clinical disease in monkeys, although the vaccine did not prevent infection. In the study reported in the Oct. 20 issue of Science, all eight animals who received the vaccine remained healthy after being infected ...November GEOLOGY and GSA TODAY highlights
...ions for continental tectonics: Is the extensional strain across the province homogeneously distributed, as ... and Ranges across the Province? Or is extensional strain concentrated in localized zones, as is suggested by the concentration of earthquakes, for example in...LabNotes -- Research highlights from Pacific Northwest National Laboratory
...echnology, or Vector, discovered a specific fungal strain has the ability to kill a harmful form of nematodes - tiny organisms that often feed on live plant roots. In greenhouse lab tests, this biocontrol agent reduced nematode infection in tomatoes and cucumbers by more than 61 percent. Through the ...UMR research could pave way for discovery of life on Mars
...obe, which is similar if not identical to a modern strain of bacteria, would be by far the oldest sample of a living bacterium ever found. "Ideally, we'd like to find really ancient bacteria that have never been described before," says Mormile, who studies samples at UMR and confirms any exceptional fin...Instant replay: study finds potential mechanism for building long-term memory
... but also at specific points in time. He created a strain of mice that had a modified version of a gene critical for memory formation. He constructed this gene so that it would stop functioning when the animals received a dose of the common antibiotic doxycycline in their drinking water. Taking the drug awa...UCSD bioengineer to receive President's National Medal of Science
... can be improved by paying attention to stress and strain in the body. I realized that existing engin...At UCSD, Fung developed equations representing the strain energy function of soft tissues as an exponential function of a quadratic sum of the strain com...Penn State researchers unravel key facts about how a virus exits a host cell
...re one drug can be effective against more than one strain of bacteria," he says. Wills of Penn State points out that the mechanistic details of ubiquitin's role in budding needs to be determined. "Our data and those of the accompanying papers suggest that the protein ubiquitin can modify Gag in a manne...... hospital infections. Some were also coated with a strain of the harmless bacterium Lactobacillus fermentum called RC-14. The researchers implanted the silicone sheets under the skin of rats. After a few days, incisions infected with S. aureus alone were swollen with pus. Those that received RC-14 as we...Study provides new details of 'the birth of a virus'
...nd his colleagues at Dana-Farber discovered that a strain of HIV that lacks the late domain was unable to break free of the membrane - remaining attached and posing no threat to the rest of the body. The new study fills in some of the gaps in scientists' understanding of how the late domain functions and h...Simpler HIV drug regimen may improve results, Science study on monkeys suggests
...and infect them all at the same time, with a known strain of the virus. Scientists have reported previously that interrupting therapy (known as "structured treatment interruption," or "STI-HAART,") may work in humans, but these reports have been largely anecdotal, according to Lori and his coauthors. "This...December Geology and GSA Today highlights
...d provides support for an impact origin. Brittle strain regime transition in the Afar depression: Implications for fault growth and seafloor spreading. Anupma Gupta and Christopher H. Scholz There aren't many places in the world where you can watch an ocean basin form, which is why East Africa has captu...Recombinant yeast as an antifungal vaccine
...h et al. now describe the use of a live attenuated strain of Blastomyces dermatitidis to prevent blastomycos...f the tractable genetics of this yeast to create a strain lacking the WI-1 gene, showing that this strain could not propagate or cause disease in mice Here, ...Job stress may lead to back injury for some people, study finds
COLUMBUS, Ohio - On-the-job stress doesn't just strain the nerves -- it can strain the back, too. That's the implication of a study at Ohio State University that ...Scientists decode genes of microbe that thrives in toxic metals
...sts in Belgium and others at JGI. This bacterial strain was first isolated in 1976, from the sludge of a s...ve also demonstrated that Ralstonia is a good host strain for expressing genes from other bacteria, including genes involved in degrading organic pollutants. ......under artificial lights. But this would put a huge strain on the colonies' precious energy resources, so the light sources would have to be as close as possible to the plants' light-harvesting system to minimise losses. Taking this idea to its logical conclusion could mean giving plants their own internal ...... harder to control the public health threat. This strain of E. coli O157:H7 causes an estimated 75,000 illn...to compare that genome with E. coli K-12, a benign strain of bacteria sequenced in 1996 by Genome Center Director Fred Blattner. The team expected to find a f...