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Tag: "choices" at biology news

Gene therapy converts dead bone graft to new, living tissue

... for cancer patients who would otherwise be facing choices as drastic as amputation," says Arthur A. Gertzman, executive vice president for research and development at the Musculoskeletal Transplant Foundation. Other scientists have attempted to invoke a similar reaction in dead bone by infusing tissue-grow...

Jumping gene helps explain immune system's abilities

...ll the possible combinations ofofferings.While the choices aren't as tasty, immune cells select sections ofcertain genetic instructions in order to make instructions for aprotein that will recognize a particular antigen. Machinery snips outunwanted genetic sections and reconnects the leftover ones, creating ...

UCSD Discovery Shows How Embryonic Stem Cells Perform 'Quality Control' Inspections

...ll the possible combinations ofofferings.While the choices aren't as tasty, immune cells select sections ofcertain genetic instructions in order to make instructions for aprotein that will recognize a particular antigen. Machinery snips outunwanted genetic sections and reconnects the leftover ones, creating ...

New therapy for HIV/AIDS eliminates needles and excessive toxicity

...ll the possible combinations ofofferings.While the choices aren't as tasty, immune cells select sections ofcertain genetic instructions in order to make instructions for aprotein that will recognize a particular antigen. Machinery snips outunwanted genetic sections and reconnects the leftover ones, creating ...

Gene sequencing explains bioremediation 'bug'

...ll the possible combinations ofofferings.While the choices aren't as tasty, immune cells select sections ofcertain genetic instructions in order to make instructions for aprotein that will recognize a particular antigen. Machinery snips outunwanted genetic sections and reconnects the leftover ones, creating ...

Cricket's finicky mating behavior boosts biodiversity

...heir findings shed light on the role of individual choices in the evolution of species and the growth of biod...ogist at Lehigh. "Changes in these preferences and choices appear to drive speciation. "That raises the question: Can something seemingly so individual as a c...

Different microarray systems more alike than previously thought

...if the technology changes or people make different choices in their platform." When the study began roughly two years ago, microarray platforms were an exciting technology in the medical and biological sciences, but comparisons of results from different platforms had proved inconsistent. Previous studies in...

A puzzle piece found in unraveling the wiring of the brain

...at is required for nerve cells to make appropriate choices of targets on which to act. The Sec15 protein is part of a protein complex (the exocyst) which is known to be required for secretion (or exocytosis) of vesicular compartments in yeast. Vesicular compartments are small organelles that transport prote...

Evolution of taste receptor may have shaped human sensitivity to toxic compounds

... It is widely believed that behavioral and dietary choices may have reduced the importance of such chemical perception in higher primates, and particularly in humans. In new work, researchers including Nicole Soranzo of University College London and Bernd Bufe of the German Institute of Human Nutrition have...

Bumblebees copy one another when contending with unfamiliar flowers

...choose flowers entirely alone but instead copy the choices of other bees. The new findings suggest that bees adjust their behavior when dealing with flowers of unfamiliar plant species. The observations are reported in the June 21 issue of Current Biology in a new paper by Elli Leadbeater and Lars Chittka o...

Expanding forests darken the outlook for butterflies, study shows

...ns in the Canadian Rockies are stifling the mating choices of butterflies in the region, say University of Alberta researchers. Smaller and less abundant alpine meadows--largely the result of human activities--are diminishing the alpine butterfly gene pool, creating a pattern that could lead to the butterfl...

Emerging staph strains found to be increasingly deadly and deceptive

...because of antibiotic resistance, which limits the choices for treatment. But the situation can become more serious with the newer community-acquired strains, says Dr. DeLeo. "We do not know why cases of community-acquired MRSA infections are increasing, let alone how they flourish," he says. But scientists ...

Plants, too, have ways to manage freeloaders

...onary perspective and to think about plants making choices both before and after infection," said Ellen Simms, UC Berkeley professor of integrative biology and leader of the study. "We may have bred this ability out of our crops." Simms and her colleagues, including D. Lee Taylor, a former UC Berkeley post-...

Study finds that nutritionally enhanced rice reduces iron deficiency

... vegetables and meat, but, for the very poor, such choices are simply not possible and so they depend predominantly on staple foods to stave off day-to-day hunger. This is especially true in isolated rural areas where under-resourced and overstretched public health systems struggle to improve the overall nu...

Attention shoppers: Researchers find neurons that encode the value of different goods

...duals assign to the available items when they make choices based on subjective preferences, a behavior called... or choosing to invest in bonds or in stocks. Such choices have long been studied by economists and psychologists. In particular, research in behavioral econom...

When mice choose mates, experience counts

...at one female's choice of mate could influence the choices of other females is well documented in birds and fish, but had not been documented for any mammalian species. Pfaff says that the female mice's mate preference was so strong that they even preferred the combined male/female scent when it was tainted ...

Research updates 65-year-old genetic discovery

..., this taste sensitivity may influence nutritional choices and ultimately their health, as well as behaviors, such as smoking. For chimpanzees, it provides a way to live safely in their environments by avoiding toxic plants and other harmful compounds. Research conducted more 65 years ago by a team of scien...

New licensing agreement to maximize AIDS drug development

...reproductive health by expanding the contraceptive choices of women and men and by helping to prevent the transmission of HIV/AIDS and other sexually transmitted diseases. CONRAD is administered through the Department of Obstetrics and Gynecology at Eastern Virginia Medical School (EVMS) in Norfolk, VA, wit...

Global study shows all tobacco bad for the heart

...t we can share with our patients to help them make choices that could save their lives." ...

UCLA study of community health project shows how group dynamics affect fitness, eating habits

...n incorporating physical activity and healthy food choices into the routine "conduct of business" in a variety of predominantly public and private, nonprofit agencies. "Our goal is to increase life expectancy and improve quality of life for all ages by helping communities support programs that eliminate he...

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