Recent Isotopic Variation Current Events | Isotopic Variation News
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Researchers establish common seasonal pattern among bacterial communities in Arctic rivers
New research on bacterial communities throughout six large Arctic river ecosystems reveals predictable temporal patterns, suggesting that scientists could use these communities as markers for monitoring climate change in the polar regions. view more (2009-11-24)
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)
New map of variation in maize genetics holds promise for developing new varieties
A new study of maize has identified thousands of diverse genes in genetically inaccessible portions of the genome. New techniques may allow breeders and researchers to use this genetic variation to identify desirable traits and create new varieties that were not easily possible before. view more (2009-11-20)
Women at risk from vitamin A deficiency
Almost half of UK women could be suffering from a lack of vitamin A due to a previously undiscovered genetic variation, scientists at Newcastle University have found. view more (2009-11-18)
Central Africa's tropical Congo Basin was arid, treeless in Late Jurassic
The Congo Basin - with its massive, lush tropical rain forest - was far different 150 million to 200 million years ago. At that time Africa and South America were part of the single continent Gondwana. view more (2009-11-11)
Climate variability impacts the deep sea
Deep-sea ecosystems occupying 60% of the Earth's surface could be vulnerable to the effects of global warming warn scientists writing in the Proceedings of the National Academy of Sciences. view more (2009-11-03)
'Ultra-primitive' particles found in comet dust
Dust samples collected by high-flying aircraft in the upper atmosphere have yielded an unexpectedly rich trove of relicts from the ancient cosmos, report scientists from the Carnegie Institution. view more (2009-11-03)
New tool promises more accurate antimalarial drug dosing
Scientists at LSTM have developed a tool to support the development of appropriate age-based dosing regimens for malaria drugs. view more (2009-10-30)
Snail fossils suggest semiarid eastern Canary Islands were wetter 50,000 years ago
Fossil land snail shells found in ancient soils on the subtropical eastern Canary Islands show that the Spanish archipelago off the northwest coast of Africa has become progressively drier over the past 50,000 years. view more (2009-10-28)
Arctic Sediments Show That 20th Century Warming Is Unlike Natural Variation
The possibility that climate change might simply be a natural variation like others that have occurred throughout geologic time is dimming, according to evidence in a Proceedings of the National Academy of Sciences paper published today. view more (2009-10-26)
Eutrophication affects diversity of algae
Eutrophication of the seas may have an impact on genetic variation in algae, research at the University of Gothenburg shows. view more (2009-10-20)
Being a standout has its benefits, study shows
Standing out in a crowd is better than blending in, at least if you're a paper wasp in a colony where fights between nest-mates determine social status. view more (2009-10-16)
Jumping genes, gene loss and genome dark matter
In research published today by Nature, an international team describes the finest map of changes to the structure of human genomes and a resource they have developed for researchers worldwide to look at the role of these changes in human disease. view more (2009-10-08)
Researchers identify genes associated with onset age of Parkinson's disease
Researchers from Boston University School of Medicine (BUSM) have identified genes which may influence the onset age of Parkinson's Disease (PD). view more (2009-10-08)
Genetic hint for ridding the body of hepatitis C
More than seventy percent of people who contract Hepatitis C will live with the virus that causes it for the rest of their lives and some will develop serious liver disease including cancer. view more (2009-09-17)
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)
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)
Genetic variation associated with poorer response, cardiovascular outcomes with use of clopidogrel
Patients with a certain genetic variation who received the antiplatelet drug clopidogrel had a decreased platelet response to treatment and among those who had percutaneous coronary intervention (procedures such as balloon angioplasty or stent placement used to open narrowed coronary arteries) had an increased risk of having a cardiovascular event... view more... (2009-08-26)
Scientists link genetic glitches to common childhood cancer
A multicenter team of childhood cancer researchers has discovered two genetic variations linked to an increased risk for acute lymphoblastic leukemia, or ALL, the most common childhood cancer in the United States. view more (2009-08-18)
Common variation in gene linked to structural changes in the brain
An international group of researchers is the first to show that common variations in a gene - previously shown to be associated with Retts Syndrome, autism, and mental retardation - are associated with differences in brain structure in both healthy individuals and patients with neurological and psychiatric disorders. view more (2009-08-18)
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