Quantcast

Latest Population genetics Stories

2010-02-19 13:57:32

Viruses have played a role in shaping human genetic variability, according to a study published February 19 in the open-access journal PLoS Genetics. The researchers, from the Don C. Gnocchi and Eugenio Medea Scientific Institutes, the University of Milan and the Politecnico di Milano, Italy, used population genetics approaches to identify gene variants that augment susceptibility to viral infections or protect from such infections. Viruses have represented a threat to human populations...

2010-02-17 14:07:53

The unexpected discovery of a new type of genetic variation suggests that natural selection "“ the force that drives evolution "“ is both more powerful and more complex than scientists have thought. "We have discovered that natural selection can act not only on whole organisms and individual genes, but also on gene networks," says Antonis Rokas, assistant professor of biological sciences at Vanderbilt University and senior author of the paper reporting the discovery that was...

13793245573f81395c522a17931d7804
2010-02-05 07:25:00

The father of evolution, Charles Darwin, who hypothesized that all humans evolved from common ancestors, was a direct descendant of the Cro-Magnon people, researchers reported on Thursday. The scientists said that Darwin came from Haplogroup R1b, one of the most common European male lineages. "Men belonging to Haplogroup R1b are direct descendants of the Cro-Magnon people who, beginning 30,000 years ago, dominated the human expansion into Europe and heralded the demise of the Neanderthal...

2010-02-04 14:38:11

Study finds association between genes that regulate maternal inflammatory response, bacterial vaginosis and preterm delivery In a study to be presented today at the Society for Maternal-Fetal Medicine's (SMFM) annual meeting, The Pregnancy Meeting â“ž¢, in Chicago, researchers will show the use of haplotype tagging (hap-tag) single-nucleotide polymorphisms (SNPs) to study the relationship between genetic predispositions, an environmental factor - bacterial...

2010-01-28 19:19:52

How introducing new genes for restoration purposes may affect local populations Re-vegetation seems like a beneficial strategy for conserving and restoring damaged ecosystems, and using a variety of species can help increase biodiversity in these systems. But what are the risks involved with introducing seeds from other locations to plants located near the damaged site? Introduced populations often hybridize with the local populations from the same species, which can result in "polluting"...

2010-01-26 13:26:17

Researchers challenge prevailing assumptions in interpreting genome-wide studies In the decade since the Human Genome Project produced the first map of DNA sequences in the human genome, scientists throughout the world have combed through genome data to identify genes and gene variants that cause human disease. A new study suggests that researchers may need to broaden their search farther afield to pinpoint rare but powerful disease-causing mutations. Researchers from two large genome...

2010-01-26 12:29:37

Scientists at Duke University Medical Center say they are now convinced that rare genetic variants "“ as opposed to more common ones "“ lie at the heart of the genetic component of most common diseases. The finding appearing in PLoS Biology, stems from a series of simulation studies, and challenges common interpretations of a multitude of genome-wide association studies (GWAS) that have identified thousands of single-DNA letter changes associated with greater risk of common...

2010-01-21 09:08:00

REYKJAVIK, Iceland, Jan. 21 /PRNewswire-FirstCall/ -- deCODE genetics, Inc. today announced that it has completed the previously-announced sale of its Iceland-based subsidiary deCODE genetics ehf (also known as Islensk erfdagreining) and its drug discovery and development programs to Saga Investments LLC, a private company. The sale followed approval by the U.S. Bankruptcy Court for the District of Delaware in deCODE genetics Inc.'s ongoing proceeding under Chapter 11 of the U.S. Bankruptcy...

2010-01-20 13:33:31

The mutation responsible for the alcohol flush reaction, an unpleasant response to alcohol that is relatively common in people of Asian descent, may have occurred following the domestication of rice. Researchers writing in the open access journal BMC Evolutionary Biology traced the history of the version of the gene responsible, finding that the ADH1B*47His allele appeared around the same time that rice was first cultivated in southern China. Bing Su, from the Chinese Academy of Sciences,...

2010-01-08 12:38:13

Researchers devise method to pinpoint key genetic variations under positive natural selection that may impact human health Fossils may provide tantalizing clues to human history but they also lack some vital information, such as revealing which pieces of human DNA have been favored by evolution because they confer beneficial traits "” resistance to infection or the ability to digest milk, for example. These signs can only be revealed through genetic studies of modern humans and other...


Latest Population genetics Reference Libraries

House Mouse, Mus musculus
2012-05-01 11:42:07

Even in the wild, this rodent is associated with humans by destroying crops and stored food. The house mouse is also known as the fancy mouse, a common pet. It is also a widely used laboratory animal, important for testing in genetics, biology, and medicine. There are three recognized subspecies of the house mouse. These mice thrive in a number of locations including fields, houses, and commercial structures. An adult male house mouse can have a body length of up to 3.9 in, and tail length...

More Articles (1 articles) »
Word of the Day
mundungus
  • A stinking tobacco.
  • Offal; waste animal product; organic matter unfit for consumption.
This word comes from the Spanish 'mondongo,' tripe, entrails.