Mutant biological machine makes proteins but can't let go
...lightly farther from its "business end." Green and her colleagues believe these nucleotides are really responsible for catalyzing the protein's construction, simply by properly orienting the new building block and the chain, an idea they are testing now. For the current study, graduate student Elaine You...U-M scientists use 21st-century technology to probe secrets of M. tuberculosis
... results of the computer simulation, Kirschner and her research team found new clues to the immune system's containment process: - Granulomas that were unable to contain TB bacteria were packed with inactive macrophages, making it impossible for T cells to get inside the granuloma and properly signal the...Antibiotics alter GI tract microbes and increase lung sensitivity to allergens
... spores into the nasal cavities of all the mice in her study. She then examined the mice for the presence of an allergic response in the airways and compared results between the mice that received antibiotics and those that did not. "Mice treated with antibiotics and colonized with C. albicans showed inc...Why some diabetics are at greater risk for UTIs
...Klosowka, a researcher on the study. Klosowka and her colleagues investigated the effects of insulin on Escherichia coli, a bacterium that commonly causes UTIs. An essential part of E. coli's ability to cause UTIs is its ability to adhere in the bladder. The researchers found that insulin along with g...Genes appear to play a role in development of chronic obstructive pulmonary disease
...al care medicine at Wake Forest Baptist, presented her findings at the 100th International Conference of ...racic Society in Orlando, Fla., today (May 25). In her study, Ohar looked at more than 500 men and women age 40 and older who had smoked 20 years or more. ...Study shows that genes can protect kids against poverty
... to a child's resilience to poverty, Kim-Cohen and her colleagues studied genetic and environmental diffe...to evaluate the mother's warmth and support toward her children, as well as the children's temperament and intelligence. The children who performed better ...Can we restore wetlands and leave the mosquitoes out?
...y discussing mosquito problems," writes Willott in her paper "Restoring Nature, Without Mosquitoes?" The article will be published in the June issue of Restoration Ecology. The short-term nature of funding is one problem. Another is the fear that bringing up negative aspects of a wetland restoration proj...Vaccines against foodborne disease on horizon
... brain damage and sometimes death. Sharon Wen and her colleagues at the Uniformed Services University of the Health Sciences in Bethesda, Maryland, successfully transferred a modified version of one of the shiga toxin genes into tobacco plants. This plant-derived vaccine was effective in producing anti......ses (G2 2). Deborah Jin of NIST/JILA will describe her group's recent experiments with degenerate gases of cold potassium atoms in the "crossover region," in which the interactions between atoms can be tuned by varying the external magnetic field (G2 3). And Anthony Leggett of the University of Illinois ...Mysterious beach closures may be linked to contaminated groundwater, study finds
...n high and low tides is greatest. That finding led her to wonder if spring tides could exert enough force to pump polluted groundwater to the surface. Testing the waters To find out, Boehm and Paytan decided to conduct a chemical analysis of the water at Huntington Beach using a technique known as isot...Without words, bullfrogs communicate through stutters in their croaks
... senior in psychology, who used it as the basis of her undergraduate honors thesis. Suggs was supported by a grant through the Undergraduate Teaching and Research Assistantship (UTRA) program. Simmons' laboratory is supported by a research grant from the National Institutes of Health....Cutting back on cigarettes: when less is more
...armacology, Biochemistry & Behavior. Ahijevych and her research team studied 25 women over six days in three different situations: smoking their usual amount, restricted intake (50 percent) and increased intake (167 percent). Thirteen of the women were black and 12 were white. The women smoked their regu...20 May AAAS lecture: Computers that Respond to Human Emotion
...oo many games of tic-tac-toe in a row, and I sense her frustration, I might decide to let her win one," said Connie Bertka, director, AAAS Dialogue on Science, Ethics and Religion (DoSER). "May...Pancreatic cancer blood test & gene studies show promise
...ken by fine-needle aspiration biopsy, Anderson and her colleagues found that they could pinpoint the nature of previously indeterminate lesions. If the results can be replicated in a larger clinical trial currently being planned, this approach could help prevent surgery for patients whose biopsy shows th...Mouse study yields clue to why liver is less prone to rejection, say Pitt researchers
...tions of LPS to mature, reported Dr. de Creus. For her work, ATC recognized Dr. de Creus with a Young Investigator's Award. Such an award is given to those under the age of 40 who submit a scientific abstract judged to be among the very best. The award provides the recipient with $1,000 to help defray th...Gene maps of simpler life forms point the way to human disease gene
...ook advantage of one of these exceptions to set up her comparison: Plants discarded their cilia when they left the ocean for land. "That meant we could first have the computer look for all the gene matches between the algae and humans," Dutcher explains. "Next, we brought in the genetic code for Arabadop...From algae, weeds and people: new genetic clues to complex obesity syndrome
... genes and proteins involved in cilia, Dutcher and her team compared all the proteins predicted by the alga's and human's genomes, and then compared those matches to a weed -- the laboratory plant Arabidopsis. The alga and humans both have cilia, but the weed doesn't, so the researchers could eliminate g...Earth, sky tapped in unique global climate change study
... But while the awnings prohibit nature from having her way with the young plants, the researchers may jack up the temperatures and send a rainstorm without batting an eye except to make note of the results. "We hope to learn enough to be able to anticipate vegetation change so land managers can minimize...Whales, seals or men? Who stole all the fish?
...erature, and distance from the ice edge. This gave her a crude picture of where each species prefers to l...ngress in Vancouver last week, where she presented her results. About 80 per cent of the world's fish catch comes from regions where there is very little o......iences major in Arts & Sciences. Ehlmann presented her and Criss's findings April 1, 2004 at the 38th annual meeting of the North-Central Section of the Geological Society of America, held in St. Louis. The emplacement of wing dikes and levees, mostly after World War I, and the building of six m...