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Papers published in Nature and Science this week support the previously held theory that humans originated in East Africa, migrating outward until they reached all parts of the globe. But the genetic work from these studies brings a new level of precision to human migration studies, with each group finding subtle and intriguing details that shed light on different aspects of […]
Our early human ancestors originated from a hot, humid climate where natural selection focused on dispersing heat. As humans migrated to colder climates there would have been evolutionary pressure to adapt to their new settings by boosting the processes that produce and retain heat.
Genes involved in energy metabolism are therefore likely to be central to heat and cold […]
Genetic material has been analyzed from members of a large Swiss family, the majority of whom suffered from auto-somal dominant juvenile cataract. From the DNA, researchers at ETH Zurich and the University Zurich identified the chromosomal location and exact molecular defect in the coding region of the gene responsible for the type of childhood cataract. Until now, no […]
Valentine’s Day - the special day we get loved up and girls get the flowers, chocolates and meals out that we crave for the remaining 364 days of the year!!
When you smokers reach out for that post-intimacy ciggie, best check out your genes to make sure it won’t be your last puff.
New evidence emerges from […]
First there was Knome at $350,000 per genome sequenced, then HeliScope announced the $70K genome and now Visigen Biotechnologies have announced they have the capability of delivering the holy grail … the $1,000 genome … and by 2010.
Have a look at how they propose to achieve this.
http://visigenbio.com/technology_movie_streaming.html
Visigen Biotechnologies quote: “The technology platform detects the interaction […]
‘Junk DNA’ could hold the key to the evolution of complex organisms . Vertebrates, animals that possess a backbone, are the most anatomically and genetically complex of all organisms, but explaining how they achieved this complexity has perplexed scientists since the conception of evolutionary theory.
A study, published in Proceedings of the National Academy of Sciences,USA, claims to […]
Prostate cancer
(Picture courtesy of BBC)
UK scientists have found seven new sites in the human genome that are linked to men’s risk of developing prostate cancer. Dr Ros Eales and Prof Doug Easton from The Institute of Cancer Research and University of Cambridge respectively, found one gene called MSMB which could possibly be used in screening […]
12th February is the 199th birthday of Charles Darwin (1809 - 1882) and the 150th birthday of his theory of evolution. Darwin’s subsequent book titled ‘The Origin of Species’ still holds relatively firm in this modern age.
Today, Darwin’s groundbreaking work on the origin of species forms the basis of modern evolutionary biology and is at the heart of biomedical research.
Evolution happens […]
deCode has analysed its 200 year old Icelandic genealogical database and found that the closer the kinship of the couple the more children they are likely to have. This study provides the most comprehensive answer yet to the longstanding question of how kinship affects fertility in humans.
For example, for women born between 1800 and 1824, those […]
Researcher Ali S. Khashan of the University of Manchester, England and colleagues report that women who undergo an extremely stressful event during the first three months of pregnancy have an increased risk of having children who develop schizophrenia.
Schizophrenia is a disabling condition associated with abnormal brain structure and function, and it is believed to begin in […]
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