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Thread: Paleolithic DNA from the Caucasus reveals core of West Eurasian ancestry

  1. #11
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    I'm really shy about posting this, but maybe some association of Y-dna and ancestral populations is becoming clearer now:

    Villabruna: haplogroup IJ, being both in Europe and the Near East.
    Basal_1: haplogroup G, the same kind in Dzudzuana perhaps.
    Basal_2: haplogorup E, the "Ancient North African".
    ANE: haplogroup R.

    don't know where LT stands though.

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  3. #12
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    Really awesome.

    Chad Rohlfsen predicted Eurasian ancestry in SSA, kudos to him for getting support from a major paper!

    This happens every time a big aDNA paper comes out, but I'm still amazed by how the human species is continuously revealed to be a never ending Russian doll set of admixture upon admixture upon admixture...

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  5. #13
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    Maybe I'm wrong, but I'm (interpreting) the Dzudzuana population as being a C-V20 rich population (despite having no YDNA), which branched to Europe and western Anatolia prior to, and during the LGM. Amazing that these ancient men contributed so much, but are practically invisible when you look at the modern YDNA.
    YDNA: R1b-Z220 (A7066+) (1800's Stepney, London(Bethnal Green), UK George Wood b. 1782
    maternal-grandfather YDNA: prob. I1 Gurr, George 1843, Feversham, Kent, England.
    maternal-grandmother YDNA: R1b-P311+ Beech, John Richard b. 1780, Lewes, England
    maternal-ggrandfather YDNA R1b-U106 Thomas, Edward b 1854, Sittingbourne, Kent
    paternal-ggf YDNA: R1b-L48. Gould, John Somerset England 1800s.
    paternal-ggf YDNA: R1b-L48. Scott, William Hamilton mdka Ireland(?) < 1800s

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  7. #14
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    Quote Originally Posted by IronHorse View Post
    I'm really shy about posting this, but maybe some association of Y-dna and ancestral populations is becoming clearer now:

    Villabruna: haplogroup IJ, being both in Europe and the Near East.
    Basal_1: haplogroup G, the same kind in Dzudzuana perhaps.
    Basal_2: haplogorup E, the "Ancient North African".
    ANE: haplogroup R.

    don't know where LT stands though.
    It really is a shame no uniparental markers are reported here, it would certainly help clear things up a little bit.
    ᾽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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  9. #15
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    I'm still confused about the D(Chimp, Yoruba, Natufian/Levant_N, East. Eurasian) stats. If Yoruba and Prehistoric Levantines share ancestry from Common-W.Eurasian + BEu + Ancestral N.African, how is the stat not significant? Is it possible that the Taforalt-Like population mixing in to Yoruba was significantly richer in Ancestral N.African?

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  11. #16
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    MtDNA is there but not in any detail:
    "Both individuals had mitochondrial DNA sequences (U6 and N) that are consistent with deriving from lineages that are rare in the Caucasus or Europe today".

    U6 is of particular interest!
    Last edited by Kristiina; 09-21-2018 at 02:54 PM.

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  13. #17
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    Quote Originally Posted by Kristiina View Post
    MtDNA is there but not in any detail:
    "Both individuals had mitochondrial DNA sequences (U6 and N) that are consistent with deriving from lineages that are rare in the Caucasus or Europe today".

    U6 is of particular interest!
    Especially considering this marker's presence both in Taforalt and IAM.
    ᾽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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  15. #18
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    Quote Originally Posted by Psynome View Post
    Really awesome.

    Chad Rohlfsen predicted Eurasian ancestry in SSA, kudos to him for getting support from a major paper!

    This happens every time a big aDNA paper comes out, but I'm still amazed by how the human species is continuously revealed to be a never ending Russian doll set of admixture upon admixture upon admixture...
    The paper reports North African ancestry in Sub Saharan Africans and Eurasians, not Eurasian ancestry in SSA.

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  17. #19
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    Basically this paper would explain the following

    -The SSA of Iberomaurusians in ADMIXTURE appearing as one third of their ancestry being a mixture of Yoruba and Hadza-related components (it's from a ghost African branch and appears as a mix of Eurasian, WA and EA because there are no references, the percentage is closer to 45 according to their tree with the rest being "Basal" and West Eurasian)
    -Natufians showing SSA in ADMIXTURE or reduced FST distances to SSA populations relative to Eurasians in a way Iran_N or Anatolia_N do not (they have the ghost African via significant Iberomaurusian admixture while Iran_N and Anatolia_N do not)
    -The occasional Neanderthal traces in West Africa

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  19. #20
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    One of the promising models they show is Taforalt as 73% Dzudzuana and 27% Mbuti (Proxy for the Deep Basal lineage) with Villabruna as an outgroup. I wonder when the Dzudzuana-related ancestry first arrived in North Africa and which haplogroup lineages it would be associated with, as they seem to suggest this ancestry mediated E- Y DNA haplogroups into the Levant from its' mix with the Deep Basal lineage.

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