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Genetics and Health

Archive for the ‘Ancestry’ Category

May 4th, 2008

Human Genome - first map of cultural variations

A nationwide team of researchers, funded in part by the National Human Genome Research Institute (NHGRI), one of the National Institutes of Health (NIH), has produced the first sequence-based map of large-scale structural variation across the human genome.
Recently created maps such as the HapMap have catalogued the patterns of small-scale variations in the genome that […]

By Elaine -- 0 comments

April 22nd, 2008

Doggie DNA used to look into human psychiatric problems

 
KQED Public Broadcasting in San Francisco recently did a radio story about the UC San Francisco Canine Behavioral Genetics Project run in collaboration with the University of Pennsylvania. The aims of the project are:
1. To explore the relationship between genes and behavior, both normal and abnormal, in domestic dogs.
2. To assess the amount and nature […]

By Elaine -- 1 comment

March 26th, 2008

1.2 million year old European human unearthed

(Picture courtesy of BBC News)
Scientists have discovered the oldest human remains in western Europe.
A jawbone and teeth discovered at the famous Atapuerca site in northern Spain have been dated between 1.1 and 1.2 million years old.
Scientists also found stone tools and animal bones with tell-tale cut marks from butchering by humans.
Its small size suggests […]

By Elaine -- 1 comment

March 10th, 2008

Transfer RNA (tRNA) - a peek into the origin of life

‘Clover structure’ of Transfer RNA 
Transfer RNA (tRNA) is ancient. It is the most direct intermediary between genes and proteins. Like many other RNAs (ribonucleic acids), tRNA aids in translating genes into the chains of amino acids that make up proteins. The fact that tRNA is so central to the task of building proteins probably means […]

By Elaine -- 0 comments

March 8th, 2008

Galileo’s body to be exhumed for DNA testing

 
Galileo’s tomb 
Over 360 years ago Galileo died living as a recluse in Italy, a convicted heretic.  His crime - he fell foul of the religious authorities of the day by arguing that the Earth revolved around the sun and not vice versa.  His theory was subsequently found to be perfectly true.
Italian researchers, led by Prof Paulo Galluzzi, want to […]

By Elaine -- 4 comments

March 5th, 2008

Happiness is down to your genes

 
(The Smiling Faces of Boddhastavas, Cambodia)
Ever the eternal optimist, here’s a piece of research which I can really relate to … Psychologists at the University of Edinburgh working with researchers at Queensland Institute for Medical Research in Australia found that happiness is partly determined by personality traits and that both personality and happiness are largely hereditary.
Rating personalities with […]

By Elaine -- 3 comments

March 2nd, 2008

Drug responses vary between Africans and Europeans

Further to my various articles on our ancestry, differences in gene expression levels between people of European versus African ancestry appear to affect how each group responds to certain drugs or fights off specific infections, report researchers from the University of Chicago Medical Center and the Expression Research Laboratory at Affymetrix Inc. of Santa Clara, CA.
The researchers […]

By Elaine -- 2 comments

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