Oetzi The Tyrolean Iceman's 'Non-Human' DNA

Much of what we know about Öetzi - the 'Tyrolean Iceman’ – such as what he looked like and that he suffered from lactose intolerance, stems from a tiny bone sample which allowed the decoding of his genetic make-up. A team of scientists have examined the part of the sample consisting of non-human DNA. In the DNA mixture, they detected a sizeable presence of a particular bacterium: Treponema denticola, an opportunistic pathogen involved in the development of periodontitis. The finding supports the computer tomography based diagnosis that the Iceman suffered from periodontitis. read more

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