29.02.2012 - Popis Ötziho genomu uveřejněn v Nature

A report was published in the journal Nature, which provides more information about the ice man Ötzi. It is a read of the whole genome and some of the results are certainly interesting because they provide a rather interesting insight into the problem of the European population and migration.


The most interesting results are as follows:
1) Genetically, Ötzi is closest to the current inhabitants of Sardinia, who are roughly between modern continental Europeans and Ötzim - he is therefore much further away from modern continental Europeans. Interestingly, this confirms the theory that the original inhabitants of Italy and southern Europe were linguistically and genetically closer than expected, as well as that they were the original inhabitants of Europe before the advent of the so-called Bell Beaker Culture. The so-called the Paleo-Sardinian language was apparently very close to the Iberian languages. This finding also seems to refute the "theory of discontinuity" and it is therefore possible that attention will be drawn to theories based on the anthropological thesis of Blumenbach in the 18th century and Sergi in the early 20th century on the dual origin of Europeans.
2) This finding also confirms the variant that some alleles have not disappeared in modern Europeans, but on the contrary, that they are alleles from the population that immigrated to Europe.
3) On the other hand, it also seems that Ötzi's ancestors came to the area of northern Italy from the Middle East, which has two possible interpretations - either they are the original Europeans who came here after migrating from Africa, or they are not the original inhabitants of the area, but later migrants.
4) Ötzi's genome also indicates lactose intolerance, from which it can be deduced that it was still mainly a hunting population or early agricultural. However, the results are not conclusive, because in the modern population of Sardinia, this disorder occurs in up to 40-60%.
5) Lyme disease - according to the analysis, Ötzi was identified as the first person to be infected with this bacterium, however, this information is interesting in itself and indicates a relatively long time for this infection.
6) Description of the overall appearance and some defects - such as the tendency to heart disease, brown eyes, etc.



www.nature.com


dienekes.blogspot.com


www.bbc.co.uk


Thanks to Aubi for your comment.
URL : https://www.valka.cz/29-02-2012-Popis-OEtziho-genomu-uverejnen-v-Nature-t125603#426254 Version : 0
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