Genetic Variation Current Events | Genetic Variation News | 3
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New finding in studying dopamine transporter
Confirming findings in a previous study, Yale researchers observed an altered availability of the dopamine transporter in healthy persons with a genetic variation linked to substance abuse and attention deficit hyperactivity disorder (ADHD). view more (2005-06-07)
Domestication of Capsicum annuum chile pepper provides insights into crop origin and evolution
Without the process of domestication, humans would still be hunters and gatherers, and modern civilization would look very different. view more (2009-06-22)
On the volcano island Krakatau: regeneration of rain forest goes hand in hand with genetic diversity
Rain-forest trees colonizing a new piece of land contain a large genetic diversity. The Indonesian island Krakatau is a good natural test case for disrupted tropical rain forest. Here, fig species hybridise unexpectedly. A lesson for the future of nature reserves. Just today, May 13, Tracey Parrish of the Netherlands Institute of Ecology... view more... (2002-05-13)
1 moose, 2 moose: Scientist seeks correction in number of species
It is a misinterpretation of the application of the bedrock of scientific naming with regard to the number of moose species that Kris Hundertmark, a University of Alaska Fairbanks wildlife geneticist at the Institute of Arctic Biology, seeks to correct. view more (2009-06-15)
New research proves single origin of humans in Africa
New research published in the journal Nature (19 July) has proved the single origin of humans theory by combining studies of global genetic variations in humans with skull measurements across the world. view more (2007-07-19)
New method of selecting DNA for resequencing accelerates discovery of subtle DNA variations
A new technology developed by scientists at Emory University will allow researchers to more easily discover subtle and overlooked genetic variations that may have serious consequences for health and disease. Called Microarray-based Genomic Selection (MGS), the research protocol allows scientists to extract and enrich specific large-sized DNA... view more... (2007-10-15)
Immune genes adapt to parasites
Thank parasites for making some of our immune proteins into the inflammatory defenders they are today. view more (2009-05-26)
Identified main genetic variants involved in response to HIV
This international collaboration has been the largest ever to have taken place in a large scale study on genetic differences between patients infected by HIV, and is the first study of this kind in the field of infectious disease. view more (2007-07-23)
Genes and the environment contribute differently to drinking among young adolescents
A 2001/2002 report by the World Health Organization found that, among young people in western countries who began drinking before 16 years of age, the average age of initiation was 12 years of age. view more (2008-05-06)
Genetic variation linked to age-related macular degeneration
The combination of a certain genetic variation, along with inflammatory factors and smoking, significantly increases the risk of the vision disorder age-related macular degeneration view more (2006-07-19)
Emory scientists develop new map of genetic variation in human genome
Emory University scientists have identified and created a map of more than 400,000 insertions and deletions (INDELs) in the human genome that signal a little-explored type of genetic difference among individuals. view more (2006-08-11)
DNA template could explain evolutionary shifts
Rearrangements of all sizes in genomes, genes and exons can result from a glitch in DNA copying that occurs when the process stalls at a critical point and then shifts to a different genetic template, duplicating and even triplicating genes or just shuffling or deleting part of the code within them, said researchers from Baylor College of Medicine... view more... (2009-06-22)
Gene variation affects tamoxifen's benefit for breast cancer
One of the most commonly prescribed drugs for breast cancer, tamoxifen, may not be as effective for women who inherit a common genetic variation, according to researchers at the University of Michigan and the Mayo Clinic. view more (2005-12-19)
Genetic analysis helps dissect molecular basis of cardiovascular disease
Using highly precise measurements of plasma lipoprotein concentrations determined by nuclear magnetic resonance spectroscopy (NMR), researchers led by Daniel Chasman at Brigham and Women's Hospital and Harvard Medical School in Boston, MA, the Framingham Heart Study in Framingham, and the PROCARDIS consortium in Stockholm, Sweden and Oxford,... view more... (2009-11-23)
Predicting the risk of a common fungal infection after stem cell transplantation
In silico genetic analysis in mice has led to the discovery of a gene affecting susceptibility to a severe fungal infection in transplant recipients. view more (2008-06-20)
Study suggests genetic connection between short stature and arthritis
The new study confirms observations by health professionals of a connection between decreased height and increased risk of osteoarthritis, the most common form of arthritis. Researchers speculate that both extremes of height may be associated with osteoarthritis for different reasons. view more (2008-01-14)
Bacterial spread all down to chance: some strains 'just the lucky ones'
Scientists have discovered that factors such as human immunity and drug resistance are less important to the success of bacterial spread than previously thought. view more (2005-02-03)
Where there's muck there's grass
The oldest ecological experiment in the world, set up almost 150 years ago to see whether inorganic fertilisers could produce more grass than traditional animal manures, is becoming an important source of evidence on the impact of climate change on genetic variation in plants. Speaking at the British Ecological Society's Annual Meeting, being... view more... (2003-09-01)
Cataloging the Structural Variations in Human Genetics
A major new effort to uncover the medium- and large-scale genetic differences between humans may soon reveal DNA sequences that contribute to a wide range of diseases. view more (2007-05-10)
Genetic marker linked to problem behaviors in adults with developmental disabilities
A common variation of the gene involved in regulating serotonin and norepinephrine in the brain may be linked to problem behaviors in adults with developmental and intellectual disabilities, new research indicates. view more (2009-07-22)
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