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Thread: Pleistocene North African genomes link Near Eastern and sub-Saharan African human populations467 days old

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    I would have loved to see some supervised work. Do we know of the raw data will be available?
    Anyone contact the authors?

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    Quote Originally Posted by Gihanga_Rwanda View Post
    I find it really interesting that these samples cluster the way they do - in between Natufians and East Africans (closer to the latter going off the PCA) - yet lack any detectable maternal L (x M, N) lineages. These results imho also lend weight to the position that e-M35 originated in North Africa, being that it was found at both ends of the region by 12,000 BC, i.e. Morocco and the Levant.
    Except that 1) the Levant isn't part of North Africa, 2) the Aterians, from which Iberomaurusians got their archaic ancestry, lived no further east than the Western Desert of Egypt, 3) mtDNA U6 and M1 are obviously Eurasian and it's clear that their introgression into the North(east) African gene pool was not due to "Crown Eurasian" Y-lineages. This severely reduces the spatial range in which the ancestors of Iberomaurusians and Natufians could have lived.
    All of this clearly implies that the common ancestry between Iberomaurusians and Natufians stems from a population (Basal Eurasians) inhabiting the Levant and the Arabian Peninsula >25000 years ago. Successive waves of migration from the Levant brought pre-Iberomaurusians into Africa before the Levant partially lost its purely Basal Eurasian character due to Gravettian admixture from the northeast. When pre-Iberomaurusians crossed the Nile river, they mixed with Aterians and acquired this distinctive archaic SSA admixture.

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    Quote Originally Posted by Protospatha View Post
    mtDNA U6 and M1 are obviously Eurasian.
    Well, both lineages seem to be strongly associated with E-M35.1 (especially M1).

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    Quote Originally Posted by Protospatha View Post
    Except that 1) the Levant isn't part of North Africa, .
    Technically it IS the Northern Most extension of North East Africa.

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    I would like to see the raw data of this, or a sample with sahelian and anceint north-african mixed folks like the Fulani's i'd be willing to bet these ancient north-africans would absorb 20-30% of of the fulani north-african and some of the west and east african components.

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    Pay close attention to the tiny bits of dark red "Hadza" ancestry shared by the Natufian and other Near Eastern aDNA. Even some of the WHG have a tiny bit of it.

    "Natufians and other 'Basal Eurasian'-admixed populations had no SSA ancestry," my foot!
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    We gonna stop calling this component "Natufian" now that these remains are way older than Natufian?

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    Quote Originally Posted by Protospatha View Post
    Except that 1) the Levant isn't part of North Africa, 2) the Aterians, from which Iberomaurusians got their archaic ancestry, lived no further east than the Western Desert of Egypt, 3) mtDNA U6 and M1 are obviously Eurasian and it's clear that their introgression into the North(east) African gene pool was not due to "Crown Eurasian" Y-lineages. This severely reduces the spatial range in which the ancestors of Iberomaurusians and Natufians could have lived.
    All of this clearly implies that the common ancestry between Iberomaurusians and Natufians stems from a population (Basal Eurasians) inhabiting the Levant and the Arabian Peninsula >25000 years ago. Successive waves of migration from the Levant brought pre-Iberomaurusians into Africa before the Levant partially lost its purely Basal Eurasian character due to Gravettian admixture from the northeast. When pre-Iberomaurusians crossed the Nile river, they mixed with Aterians and acquired this distinctive archaic SSA admixture.
    Good comment except for this. There's nothing distinctive nor archaic about the presumed SSA portion of the Taforalt. Also you're missing a step.. the pervasive Neanderthal ancestry despite added SSA ancestry in the Taforalt gut checks a Basal Eurasian + SSA Origin.

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    Quote Originally Posted by beyoku View Post
    I would have loved to see some supervised work. Do we know of the raw data will be available?
    Anyone contact the authors?
    Data is available... you'll see them floating around the web soon.
    Forum biodiversity is awesome!


    Quote Originally Posted by Polako View Post
    Depends which prehistoric North Africa you mean. There's a preprint here saying that Neolithic North Africans (you know, the ones who replaced the hunter-gatherers there), were fully West Eurasian. Makes sense.

    https://www.biorxiv.org/content/early/2017/09/21/191569

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    Quote Originally Posted by beyoku View Post
    We gonna stop calling this component "Natufian" now that these remains are way older than Natufian?
    Lol my thoughts exactly
    K=47 Results
    78.92% African
    • 59.05% West-African
    • 8.36% Central-African_HG
    • 3.32% East-African_HG
    • 2.22% Nilotic
    • 2.11% Omotic(?)
    • 1.78% Sahelian
    • 1.05% South-African_HG
    • 1.03% Kushitic(?)

    11.84% West Eurasian
    • 3.79% North-Sea_Germanic
    • 2.15% East-Euro
    • 1.39% Scando-Germanic
    • 1.26% Paleo-Balkan
    • 0.88% Central-Med
    • 0.54% NW-Indian(?)
    • 0.42% East-Iberian
    • 0.39% Baltic
    • 0.14% West-Med
    • 0.17% North-Iberian
    • 0.02% East-Med

    9.92% Native/Indigenous to Americas
    • 4.59% Meso-Amerind
    • 2.14% Amazonian
    • 2.01% Andean
    • 1.15% North-Amerind
    • 0.02% South-Indian(?)
    • 0.01% Tibetan(?)

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    Pay attention to the ME/NA time depth on the paternal side with these guys being M78 and Natuf being Z830.

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