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Latest Population genetics Stories

2009-12-02 18:16:33

Looks can be deceiving, but certain bird species have figured out that a voice can tell them most of what they need to know to find the right mate. Andrew DeWoody, a Purdue University associate professor of forestry and natural resources, found that the higher the pitch of a male bird's song, the more genetic diversity that bird has, making him a better mate for breeding. His study was published Wednesday (Dec. 2) in the early online edition of PLoS Biology. "If you have a diverse set of...

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2009-10-29 05:50:00

Evolutionary outcomes can be influenced by culture as well as genes, according to a new study released on Wednesday comparing societies around the world. Natural and social sciences are rarely brought together, but the study analyzed the interaction across 29 countries of two sets of data, genetic and cultural. The researchers discovered that the majority of people living in countries considered to be collectivist have a certain mutation within a gene that regulates the transport of...

2009-10-27 09:13:29

Alcohol abuse is a leading cause of liver cirrhosis in Mexico. Given that genetics likely play a role in high rates of alcoholic liver disease, researchers analyzed the polymorphisms of alcohol dehydrogenase (ADH1B), aldehyde dehydrogenase (ALDH2) and cytochrome P4502E1 (CYP2E1) in two groups in Mexico: the Mestizos, those with mixed genes, and the Huichols, an indigenous group with no racial admixture. Findings show the Huichols have the highest CYP2E1*c2 allele frequency documented in the...

2009-10-12 15:25:00

Culture is more important than genes to altruistic behavior in large-scale societies Socially learned behavior and belief are much better candidates than genetics to explain the self-sacrificing behavior we see among strangers in societies, from soldiers to blood donors to those who contribute to food banks. This is the conclusion of a study by Adrian V. Bell and colleagues from the University of California Davis in the Oct. 12 edition of Proceedings of the National Academy of Sciences....

2009-10-07 09:11:37

Study explores how farmers' practice affects role of gene flow between cultivated sorghum and its weedy relatives Family can be a blessing and a curse, and never more so than in the case of crop plants and their wild relatives. These wild and weedy relatives harbor unique and beneficial genes that may no longer be found in their cultivated siblings, but they also harbor genetic traits that farmers have intentionally selected against in their domesticated brethren. The close genetic...

2009-09-20 12:33:00

REYKJAVIK, Iceland, September 20 /PRNewswire-FirstCall/ -- - Findings Further Increase Power of DNA-Based Testing to Identify Men at Substantially Increased Risk, and Will be Integrated Into the deCODE ProstateCancer(TM) Test deCODE genetics (Nasdaq:DCGN) today announced that a team of its scientists and academic colleagues from Finland, Spain, the Netherlands and the United States have today published the discovery of four novel single-letter variations in the sequence of the...

2009-09-02 23:50:00

A third of the previously identified single-nucleotide polymorphisms, or SNPs, associated with prostate cancer in men of European or African ancestry were also associated with prostate cancer in a Japanese population, according to a new study published online September 2 in the Journal of the National Cancer Institute. Genome-wide association studies have primarily been performed in populations of European ancestry, but little is known if the associations discovered in one population are...

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2009-08-31 12:00:00

In the chilling science fiction movie Gattaca, Ethan Hawke stars as a man with "inferior genes" who assumes another's genetic identity to escape a dead-end future. The 1997 film illustrates the very real fear swirling around today's genome research "” fear that private genetic information could be used negatively against us. Last year, after a published paper found serious security holes in the way DNA data is made publicly available, health institutes in the United States and across...

2009-08-28 09:22:23

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.In the Aug. 13 issue of PLoS Genetics, researchers in the U School of Medicine's Department of Dermatology confirm that the presence of HLA-Cw*0602, a gene variation or allele on chromosome 6 found to be associated with psoriasis by numerous...

2009-08-16 13:14:58

St. Jude Children's Research Hospital scientists lead survey of genome that identifies new genes linked to cancer risk and treatment response Scientists at St. Jude Children's Research Hospital have identified inherited variations in two genes that account for 37 percent of childhood acute lymphoblastic leukemia (ALL), including a gene that may help predict drug response. The findings stem from the first complete search of the human genetic blueprint or genome to look for inherited risk...


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...

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