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Regenerating worms help elucidate stem cell biology

Using a tiny flatworm best known for its extraordinary ability to regenerate lost tissue, researchers have identified a gene that controls the ability of stem cells to differentiate into specialized cells. The gene encodes a protein that is most similar to the protein PIWI, an important regulator of stem cells in organisms ranging from plants to humans. The replacement of tissue lost to i...

Scientists elucidate the kinome of key model organism

The journal PLoS Genetics has published the findings of a team of scientists at the nonprofit Boston Biomedical Research Institute that provides a whole genome analysis of the protein kinases from a scientifically valuable model organism known as Dictyostelium. Led by Dr. Janet Smith, this study offers important insights into the evolution of kinases, which are enzymes involved in cell...

On the track of tiny larvae, a new model elucidates connections in marine ecology

A computer model newly developed by researchers combines ocean current simulations and genetic forecasting to help scientists predict animal dispersion patterns and details of the ecology of coral reefs across the Caribbean Sea. The work is reported by Heather M. Galindo and Stephen R. Palumbi of Stanford University, and Donald B. Olson of the University of Miami, and appears in the August 22nd i...

Mirrors in the mind: New studies elucidate how the brain reflects onto itself the actions of others

In three new independent studies, researchers have deepened our understanding of the remarkable ability of some specialized areas of the brain to activate both in response to one's own actions and in response to sensory cues (such as sight) of the same actions perpetrated by another individual. This ability is thought to be based in the activity of so-called mirror neurons, which have been hypoth...

'Marathon mice' elucidate little-known muscle type

Researchers report in the January issue of the journal Cell Metabolism, published by Cell Press, the discovery of a genetic "switch" that drives the formation of a poorly understood type of muscle. Moreover, they found, animals whose muscles were full of the so-called IIX fibers were able to run farther and at higher work loads than normal mice could. The findings could ultimately lead to...
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Rise in Cigarette Use may Elucidate Asthma Epidemic in Children

A recent research has found that the asthma epidemic in children may be explained by the rise in cigarette use by adults over the past century . The study, conducted by researchers at the Mailman School of Public Health, is published this month in Annals of Allergy, Asthma & Immunology, the scientific journal of the American College of Allergy, Asthma and Immunology (ACAAI)....
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Breaking Biology News(10 mins):Goulbourne earns NSF award to research heart stent sensors 2Goulbourne earns NSF award to research heart stent sensors 3Nutritionists of the UGR suggest diet improvements during Ramadan 2What is a gene? 2Mutant sperm guide clinicians to new diseases 1412 1Mutant sperm guide clinicians to new diseases 1412 2Mutant sperm guide clinicians to new diseases 1412 3Leading cause of death in preemies might be controlled by resetting a molecular switch 1409 1Leading cause of death in preemies might be controlled by resetting a molecular switch 1409 2CJ Transforms His Functional Fitness Program Into an Additional Resource for the Hurricane Katrina Survivors 7357 1CJ Transforms His Functional Fitness Program Into an Additional Resource for the Hurricane Katrina Survivors 7357 2CJ Transforms His Functional Fitness Program Into an Additional Resource for the Hurricane Katrina Survivors 7357 3WSJ Article Prompts AHF to Renew Call for CDC to Release Stark New HIV Data 7353 1WSJ Article Prompts AHF to Renew Call for CDC to Release Stark New HIV Data 7353 2WSJ Article Prompts AHF to Renew Call for CDC to Release Stark New HIV Data 7353 3WSJ Article Prompts AHF to Renew Call for CDC to Release Stark New HIV Data 7353 4
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