45,000 years ago 45,000 years ago by the Census Hub from Africa

45,000 years ago 45,000 years ago by the Census Hub outside of Africa

An example of the people of Eurasia through waves of frequent expansion from an African Population Hub (a silver lining, details unknown); The red flowers indicate an increase in relation to the early Upper Paleolithic rich culture and the blue flowers indicate an increase in relation to the Upper Paleolithic groups. Kya = kylo years ago. Found: Leonardo Vallini, Giulia Marciani

The ancient man was traced to the Bacho Kiro cave (in present -day Bulgaria) and has been shown to be genetically more closely related to modern East Asians than to Europeans. Some models are intended to provide insight, but this concise conclusion raises more questions than answers about the migration of the older population that could explain the existence of the genetically East Asians in Europe about 45,000 years ago.

An article published in Genome Biology and Evolution Attempts have been made to solve this mystery, by including those individuals in the broader context of Eurasian paleolithic human genomes and also by looking at genetics and archaeological evidence. The study was led by Leonardo Vallini and Prof. Luca Pagani, from the University of Padua in association with Dr. Giulia Marciani and Prof. Stefano Benazzi from the University of Bologna, Italy.

In the model presented by the authors, the occupation of East and West Eurasia was characterized by a series of events of expansion and extinction of the area from a Statistical Hub, where the ancestors of all Eurasia after their first exodus from Africa about 70-60 thousand. years ago.

The first reproduction of Homo sapiens took place over 45 thousand years ago (kya). The only messenger of that movement, not to modern Europeans or Asians, came from Zlatý kůň, now the Czech Republic and it is not clear how it spread. ia.

“Then, at about 45 kya, a new expansion came out from the Hub and covered a wide area from Europe to East Asia and Oceania and related to the way stone tools are made. called the Initial Upper Paleolithic, “said Leonardo Vallini, the first author. of education.

The fate of these citizens in East Asia is different from that in Europe: While in the past they have endured the impact that led to the formation of new populations in East Asia, European delegates have refused. this increase and disappearance, leaving the Bacho Kiro, the Hard Oasis from Romania and a few other remnants is the only evidence of these early Europeans.

“It’s good to see that, at the same time, the last Neanderthals are extinct,” said Giulia Marciani, from the University of Bologna and author of the study.

“Finally, a final increase has been made of more than 38 kya and Europe has been re -recorded from the various Hubs, where its location will be explained,” said Luca Pagani, senior author. of research. “While in Europe there are some connections with the survivors of the first wave, they are connected between the two waves only in Siberia where a different lineage called the Ancestral North Eurasian of the people was formed. real America. “

This movement is associated with another cultural group called the Upper Paleolithic, which is home to many of Europe’s most paleolithic sites. “It is interesting that, from a cultural point of view, these new stone masons have often been described as an independent entity rather than the local development of the technologies previously made in Europe: it is comforting to see that cultural knowledge and culture can be combined below. a complete overview, “concluded Telmo Pievani, from the University of Padua and author of the study.

The authors hope to further strengthen the definition of the location of the Hub, as well as to identify the internal and external factors behind this migration of the older population, as well as related cultural factors.

Genome analysis shows how older people moved to Europe

More information:
Genetics and rich culture support the rapid expansion of Paleolithic Eurasia from a population Hub from Africa, Genome Biology and Evolution (2022). DOI: 10.1093 / gbe / evac045

Presented by Università di Bologna

Directions: The Out -of -Africa Population Hub describes Middle Eastern genealogies in Europe 45,000 years ago (2022, April 7) Retrieved 7 April 2022 from https://phys.org/news/2022 -04-population-hub-africa-east-asian .html

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