Archive for the tag 'Africa'

Feb 18 2010

Southern African Genomes Sequenced

Published by ErinC under news

Group of hunters from the Ju/’hoansi tribe in the Namibian Bush/ Stephan C. Schuster
Researchers from Penn State University, the University of New South Wales in Australia, and the Baylor College of Medicine have sequenced the genomes of four individuals from different groups of the click-speaking San of southern Africa, as well as of Bishop Desmond [...]

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Jan 11 2010

Large Study Reveals Details of African American Genetic Ancestry

Published by ErinC under news

As shown in these ancestry paintings from 23andMe, the proportion of African DNA can vary widely for African Americans.
A recent study led by Carlos Bustamante of Cornell and Sarah Tishkoff of the University of Pennsylvania has shown that genetically speaking, African American can mean a lot of different things.
The researchers and their co-workers analyzed DNA [...]

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Dec 30 2009

2009 Spittoon Highlights – Part 2

Published by ErinC under news

In our last post we highlighted a few of the coolest (in our opinion!) health-related developments of 2009.  But human genetics isn’t all about disease.  Here are a few more favorites:
The Romanovs
2009 saw the identification of the remains of the missing members of this Russian royal family, as well as identification of the mutation that [...]

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May 26 2009

Gloom but not Doom, Concludes Study in Malaria Area

Malaria is one of the leading causes of death in the developing world, claiming nearly a million victims each year. The great majority of them are African children below the age of five. The illness is caused by a single-celled parasite called Plasmodium that is transmitted by mosquito bites to humans. In a paper published [...]

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Apr 30 2009

Scientists Publish Largest-Ever Study on the Genetics of Modern Africans

Published by AnneH under news

When scientific research is published, the authors often confess that they wish they’d collected more data. Critical reviews of research studies often say the same thing. Indeed, if there’s anything scientists love, it’s more data.
Which is why the members of an international team of genetic anthropologists led by Sarah Tishkoff of the University of [...]

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Mar 05 2009

The Origins of the Forest-Dwelling African Pygmies

Published by brennah under news

Once distributed throughout tropical Africa, Pygmies now live in pockets of the continent’s rainforest.
Africa is home to a number of dwindling hunter-gatherer populations, most of them living deep in the rainforests that stretch from western Africa’s Atlantic coast to the eastern edge of the Democratic Republic of Congo. Known as “Pygmies” because of their short [...]

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Aug 04 2008

The Origins of Pastoralism in Africa: What do the Genes Say

Published by brennah under news

This guest post is by Brenna Henn, a doctoral student in Stanford University’s Department of Anthropology and a 23andMe consultant. Brenna studies human evolution using genetic information. Her interests include the origin of modern humans, migration patterns among African groups, and genetic models of demography.
A Nilotic-speaking pastoralist from Tanzania / Sarah A. Tishkoff [...]

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