Tag: "untangle" at biology news

Denatured Proteins Rescued By Trio Of Chaperones

...uciferase. They found that Hsp104 alone could not untangle the clusters. However, whenother heat shock proteins from yeast were added, reactivation of luciferase wasobserved. Lindquist and Glover pinpointed two heat shock proteins that were observed tointeract with Hsp104-Hsp40 and Hsp70. When thes...

Learning how organs tell left from right

...e results of earlier experiments that attempted to untangle the functionsof Nodal and Pitx2 were intriguing, but did not produce a clear answer. Whenresearchers added Nodal or Pitx2 to the right side of a mouse embryo, forexample, the right side developed as a mirror image of the left. In otherexperiments, re...

Prions are modular

...ted state. Removing Hsp104 allows prion clumps to untangle and go back into solution in the cell. "The new prion had the same characteristics as yeast prions," said Lindquist. "It could switch from its normal state to the prion state and responded to experimental manipulations in the same way a natural p...

UC Davis science, engineering and technology newstips -- March

... of string is tangled up, it is always possible to untangle it in a limited number of steps. Mathematicians group knots into types, depending on how many times the loops cross each other. The simplest kind of knot is a closed loop. Mathematicians call this a trivial knot, or unknot. "Imagine a garden hose, ...

Scientists, ships, aircraft to profile Asian pollution and dust

... NCAR's HansFriedli and Lawrence Radke will try to untangle some of the mysteriesof mercury, an elusive and toxic metal that damages or destroys nervetissue and kills flora and fauna. Mercury has recently been targetedby President Bush as one of three atmospheric pollutants for studyand possible abatement. Fr...

Buffalo neuroimaging researchers studying multiple sclerosis from inside human brain

...eases with sophisticated MRI analysis, we begin to untangle the great mystery of how the brain functions. Ultimately, this information could result in new treatments and, in the best scenario, to possible cures for a variety of brain disorders. This is what we all work toward."...

Researchers produce motor neurons from embryonic stem cells

...Jessell and his colleagues have been attempting to untangle the delicate connections of nerve cells in the developing spinal cord. Their studies have shown that the fledgling vertebrate nervous system is crackling with activity -- genes are being turned on and off at a rapid pace, transforming immature cells ...

Scientists study roundworms for behavior patterns

...utions, before anyone can cure a lethal disease or untangle a thicket as dense as the nature-nurture debate, but some of the answers may be as close as his laboratory drawer....

Role in Type 1 diabetes provides clue for researchers who discovered 'obesity gene'

... GAD2 gene was the candidate. Research may help to untangle the role of GAD65 in obesity, he said. Froguel and colleagues screened 575 obese people and 646 non-obese people in France and found a connection between variations in the GAD2 gene and obesity. Obese people with two particular variations in their GA...

Germ-free transparent fish open new window into gut development

...the beneficial effects of symbiotic bacteria. "To untangle the complex interactions between humans and their friendly gut bacteria, we need simple animal models that can function as living test tubes," explains principal investigator Jeffrey I. Gordon, M.D. "These models are key to identifying the genes and ...

New model explains why costly insect 'outbreaks' hard to predict

... three researchers present a model that appears to untangle the factors that trigger such outbreaks, and that helps to explain why outbreaks are so unpredictable. By combining elements from two prevailing but flawed insect-outbreak theories, and supplementing the combined theory with additional data, th...

Stanford researcher's findings may shed light on common, deadly birth defect

... cause of miscarriage in humans, they also help to untangle a medical mystery: why children born with the same genetic disorder can have vastly different symptoms. "Everybody recognizes that in some genetic diseases, one person can be much more severely affected than another, and we've all wondered 'Why is th...

Professor calls for a new branch of learning

...fessor Donaldson says: "We believe that efforts to untangle science and science fiction regarding the risks from nanotechnology are needed and that a focus on the potential harmful effects of nanoparticles is both timely and necessary. The importance of nanotechnology to the economy and to our future wellbein...

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