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Thread: The genetic prehistory of the Greater Caucasus[preprint Harvard/Jena]

  1. #11
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    Wait a minute, these are actually magnificent results! Look at the 'early' Maykop results and the 'late' Maykop results!

    Late Maykop is clustered with Copper Age Iranians. So there was a migration of Copper Age Iranian into Maykop!







    Farewell the Steppes Model!

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    There was a migration of Leyla-Tepe people into Maykop between 'early' Maykop and 'late' Maykop!

    The steppes model has been DESTROYED one more time.



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    Quote Originally Posted by epoch View Post
    That's the kind of crazy I like.
    ᾽Άλλο δέ τοι ἐρέω, σὺ δ᾽ ἐνὶ φρεσὶ βάλλεο σῇσιν:
    κρύβδην, μηδ᾽ ἀναφανδά, φίλην ἐς πατρίδα γαῖαν
    νῆα κατισχέμεναι: ἐπεὶ οὐκέτι πιστὰ γυναιξίν.


    -Αγαμέμνων; H Οδύσσεια, Ραψωδία λ

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    Maykop BEFORE




    Maykop AFTER





    YES, baby, YESSSSSSSSSS! I'm almost crying right now!

    Middle Eastern auDNA in Yamnaya comes from Maykop, PERIOD! It feels like VICOTRY. It is a VICTORY day for Tamaz V. Gamkrelidze & Vyacheslav Ivanov.
    Last edited by ms85; 05-16-2018 at 10:15 PM.

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    Quote Originally Posted by Feiichy View Post
    Really exciting paper.

    I find this particulary intriguing:


    because I often read how Armenians are ''no real Caucasians'' while this states that it is rather north Caucasians who recieved more recent external admixture.
    I think this is a very..difficult way to state that nowadays Caucasians have more steppe related ancestry than back then. But I'd give the guy that wrote this a job as my spin doctor without a resume

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    Quote Originally Posted by epoch View Post
    I think this is a very..difficult way to state that nowadays Caucasians have more steppe related ancestry than back then. But I'd give the guy that wrote this a job as my spin doctor without a resume
    Aryanisation of the Caucasus started actually very late. Ancient Aryan people, like modern Western Iranian people migrated into the Caucasus and Arianised it pretty late. Accordigng to some Georgian legends, Georgian people came from Iran. But ALL those migrations came much later than Maykop.

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    So if I'm reading this right they're detecting minor CHG in Khvalynsk, essentially.
    The two distinct clusters are already visible in the oldest individuals of our temporal transect, dated to the Eneolithic period (~6300-6100 yBP/4300-4100 calBCE). Three individuals from the sites of Progress 2 and Vonjuchka 1 in the North Caucasus piedmont steppe (‘Eneolithic steppe’), which harbor Eastern and Caucasian hunter gatherer related ancestry (EHG and CHG, respectively), are genetically very similar to Eneolithic individuals from Khalynsk II and the Samara region. This extends the cline of dilution of EHG ancestry via CHG/Iranian-like ancestry to sites immediately north of the Caucasus foothills
    Whoa is right.
    However, we could successfully model Steppe Maykop ancestry as being derived from populations related to all three sources (p-value 0.371 for rank 2): Eneolithic steppe (63.5±2.9 %), AG3 (29.6±3.4%) and Kennewick (6.9±1.0%). We note that the Kennewick related signal is most likely driven by the East Eurasian part of Native American ancestry as the f4-statistics 276 (Steppe_Maykop, Fitted Steppe_Maykop; Outgroup1, Outgroup2) show that the Steppe Maykop individuals share more alleles not only with Karitiana but also with 278 Han Chinese when compared with the fitted ones using Eneolithic steppe and AG3 as two sources and Mbuti, Karitiana and Han as outgroups (Supplementary Table 2).
    Current theory:

    - Immediate post-LGM (15,000-10,000 BP) Mesolithic Europe was nearly all a WHG dominion--from Spain through European Russia-- following the displacement of Goyet/Vestonice Ice Age types.

    - MA1/AG3 arrives from the east in Late Mesolithic/Early Neolithic (10,000-8,000 BP) not only to Europe (creating the WHG-EHG cline-- note how Latvian Mesolithic hunter gatherers were almost fully WHG-like while MN samples from the same region were EHG-like), but ALSO to the edge of the North Caucusus (creating a CHG-ANE cline).

    - Khvalynsk types bring lots of EHG ancestry to the North Caucasus-grassland steppe border zone in the Eneolithic.

    ---------------

    In other words, the reason Steppe Maykop is showing this Kennewick signal while Khvalynsk and Yamnaya presumably do not, is because the ANE signal was not diluted by WHG admixture in the North Caucusus...

    Any other theories?
    Last edited by K33; 05-17-2018 at 04:48 AM.

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  12. #18
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    Quote Originally Posted by ms85 View Post
    Maykop BEFORE




    Maykop AFTER





    YES, baby, YESSSSSSSSSS! I'm almost crying right now!

    Middle Eastern auDNA in Yamnaya comes from Maykop, PERIOD! It feels like VICOTRY. It is a VICTORY day for Tamaz V. Gamkrelidze & Vyacheslav Ivanov.
    me to but from other reasons it is a bummer there is no E not even one {i guess we prefer pakistan over the cold caucasus mountain}

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    Quote Originally Posted by kingjohn View Post
    me to but from other reasons it is a bummer there is no E not even one {i guess we prefer pakistan over the cold caucasus mountain}
    I know how it feels bro. I'm R1a* and there is no R1a* in Maykop either. My R1a* ancestors preferred Zagros over Mt. Elbrus!

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    Quote Originally Posted by kingjohn View Post
    me to but from other reasons it is a bummer there is no E not even one {i guess we prefer pakistan over the cold caucasus mountain}
    It's not that cold here, now it's like +7C, and +15C during the day. Interesting article btw.
    Moxk bocu ärzu qiygo a tergal ca jo

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