Genetic Variation Current Events | Genetic Variation News | 2
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Rhythmic genomics -- the yeast metronome and the walk of life
New genome sequence information from the humble baker's yeast has revealed surprising variation in a set of genes that can be thought of as nature's oldest clock. view more (2009-04-08)
Gene study shows three distinct groups of chimpanzees
The largest study to date of genetic variation among chimpanzees has found that the traditional, geography-based sorting of chimps into three populations—western, central and eastern—is underpinned by significant genetic differences, two to three times greater than the variation between the most different human populations. view more (2007-04-23)
Gene variation is 'major genetic determinant of psoriasis'
A specific genetic region that has been increasingly identified as the strongest genetic link to psoriasis has an even more significant role in the chronic skin disease than has been suspected, University of Utah medical researchers show in a new study. view more (2009-08-28)
Possible genetic predictor for response to lithium augmentation in depressed patients
As in most fields of medicine, psychiatry researchers are working to identify specific types of patients, through their individual genetic variations, that may better benefit from particular drugs or combinations of drugs than other patients. view more (2007-12-07)
Scientists discover new genetic variation that contributes to diabetes
Scientists have identified a genetic variation in people with type 2 diabetes that affects how the body's muscle cells respond to the hormone insulin, in a new study published today in Nature Genetics. The researchers, from Imperial College London and other international institutions, say the findings highlight a new target for scientists... view more... (2009-09-08)
Cell's 'power plant' genes raise vision disorder risk
Genetic variation in the DNA of mitochondria - the "power plants" of cells - contributes to a person's risk of developing age-related macular degeneration (AMD), Vanderbilt investigators report May 7 in the journal PLoS ONE. view more (2008-05-07)
Strains of laboratory mice more varied than previously thought
A collaborative study by scientists at the University of North Carolina at Chapel Hill and The Jackson Laboratory in Bar Harbor, Maine, has found that the genetic variation in the most widely used strains of laboratory mice is vastly greater than previously thought. view more (2007-07-30)
Copy number variation may stem from replication misstep
Genome rearrangements, resulting in variations in the numbers of copies of genes, occur when the cellular process that copies DNA during cell division stalls and then switches to a different genetic "template," said researchers at Baylor College of Medicine in Houston in a report that appears today in the journal Cell. view more (2007-12-28)
Chimpanzee study reveals genome variation hotspots
Researchers believe that dynamic regions of the human genome - "hotspots" in terms of duplications and deletions - are potentially involved in the rapid evolution of morphological and behavioral characteristics that are genetically determined. view more (2006-05-16)
DNA research flies high with Seychelles kestrel
A new research project at the University of Kent is looking for genetic evidence of a historical population bottleneck in the Seychelles kestrel by analysing DNA extracted from museum specimens estimated to be 100-150 years old. Dr Jim Groombridge, Lecturer in Biodiversity Conservation at the University's Durrell Institute of Conservation and... view more... (2004-06-01)
Variation in bitter-taste receptor gene increases risk for alcoholism
A team of researchers, led by investigators at Washington University School of Medicine in St. Louis, has found that a gene variant for a bitter-taste receptor on the tongue is associated with an increased risk for alcohol dependence. view more (2006-01-10)
Researchers gain genome-wide insights into patterns of the world's human population structures
Through sophisticated statistical analyses and advanced computer simulations, researchers are learning more about the genomic patterns of human population structure around the world. view more (2009-05-15)
Ice Ages and rivers may have affected gorilla diversification
Geography and historical climate change may have both played a major role in gorilla evolutionary diversification, according to a new genetic study by Cardiff University and the University of New Orleans. view more (2007-12-11)
The importance of gene regulation for common human disease
A new study published in Nature Genetics on Sunday 16 September 2007 show that common, complex diseases are more likely to be due to genetic variation in regions that control activity of genes, rather than in the regions that specify the protein code. view more (2007-09-17)
Researchers announce results of study on genetic variation in Parkinson's disease
Researchers at the National Institutes of Health (NIH) have completed one of the first large-scale studies of the role of common genetic variation in Parkinson's disease (PD). view more (2006-09-28)
Foxes get frisky in the far north
Bees do it, chimps do it- Now it seems Arctic foxes do it, too. New research looking at the DNA fingerprints of canids in the Far North has revealed that foxes once thought to be monogamous are in fact quite frisky. view more (2007-07-18)
Age is more than a number — In barn owls, it reveals how susceptible one is to climate change
Fluctuations in weather and the environment affect survival and reproduction of animals. But are all individuals within a population equally susceptible? Theory on the evolution in age-structured populations suggests not - those life stages that are more important for overall fitness should be less susceptible to environmental variation than other... view more... (2007-01-11)
New Keys to Keeping a Diverse Planet
Variation in plants and animals gives us a rich and robust assemblage of foods, medicines, industrial materials and recreation activities. But human activities are eliminating biological diversity at an unprecedented rate. view more (2007-09-27)
APPLYING SHEWHART'S CONTROL CHARTS TO CLINICAL GOVERNANCE (p 463)
A theory of variation used for quality control in the manufacturing industry since the 1920s could have helped in the earlier detection of recent UK health crises, suggest authors of an article in this week's issue of THE LANCET. The physicist and engineer Walter Shewhart devised a simple graphical method based on mathematical theory and practical... view more... (2001-02-07)
Gene variants may determine lung function and susceptibility to maternal smoking
A tiny variation within a single gene can determine not only how quickly and well lungs grow and function in children and adolescents, but how susceptible those children will be to exposure to second-hand tobacco smoke, even in utero, according to researchers from the University of Southern California. view more (2009-03-26)
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