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A different kind of yDNA O1b
yDNA O1b MA912 (ancient from Malaysia) was modeled using Devil’s Gate (Northeast Asia) in "Human population history at the crossroads of East and Southeast Asia since 11,000 years ago"
MA912 is from Gua Cha (Malaysia). He is buried at the Neolithic farmer cemetery (Phase 2) 2447 years ago. His yDNA is O1b1a1a1b1, his mtDNA is M13c ( https://www.biorxiv.org/content/10.1...374v1.full.pdf )
The best qpAdm model for him in "Human population history at the crossroads of East and Southeast Asia since 11,000 years ago" is the following:
Ma912_G2=6% Devil’s Gate + 94% Longlin. PValue=0,1.
The model with Devil’s Gate had higher Pvalue than models with Boshan (yDNA N) and Qihe3 (likely yDNA O). Female-only model (Liangdao2+Longlin) had lower Pvalue than models with Boshan (yDNA N) and Qihe3 (likely yDNA O).
Longlin is female. Devil’s Gate male samples usually contained only yDNA C2b (see https://www.biorxiv.org/content/10.1...829v1.full.pdf).
The only sample containing a male y chromosome (yDNA C2b) in this model can be from the Devil’s Cave series. A selection used by Qiaomei Fu for another article was NEO239 (male yDNA C2b/mtDNA D4m) NEO236 (female, mtDNA D4) NEO238 (female, mtDNA D4) NEO240 (female, mtDNA D4m) https://www.cell.com/cms/10.1016/j.c...eb61ea22b/mmc2
If Devil’s Gate samples used in this article are the same, then only Devil’s Gate NEO239 (male yDNA C2b/mtDNA D4m) has a male y chromsome C2b. In any case, Pvalue for Devil’s Gate is the highest one and is higher than for female-only models, making it extremely likely that yDNA C2b was present in the model for Ma912_G2 (yDNA O1b1a1a1b1).
Devil’s Gate does not have any male samples with yDNA other than C2b.
Models with Boshan (yDNA N) and Qihe3 (likely yDNA O) yielded lower Pvalue than the model with Devil’s Gate.
Devil’s Gate samples are neolithic (ca. 7500 BP (7500 years before present) ), they are much older than the spread of language families, whose speakers include a lot of yDNA C2b bearers (cf. Martine Robbeets “Language family node ages were informed by age priors (…), Mongolic 750 BP ± 50, Tungusic 1900 BP ± 275, ). These calibrations are supported by chronological estimations proposed in linguistic literature (Supplementary Data 18).”). As it is unlikely that yDNA O1b1a1a1b1 of MA912 was influenced by northern C2b of Devil’s Gate; the other possibility implies the influence from a population of yDNA O1b bearers onto Devil’s Gate’s C2b males.
In order to enhance the mysteriousness of yDNA O1b1a1a1b1 Ma912_G2 Devil’s Gate connection, let us have a look at model for other yDNA O1b samples in "Human population history at the crossroads of East and Southeast Asia since 11,000 years ago"
Ancient Long Long Rak (Thailand) G4 series include (https://www.biorxiv.org/content/10.1...4v1.full.pdf):
Th519 mtDNA B5a1d yDNA N
Th521 mtDNA F1f yDNA O1b1a1a1b
Th703 mtDNA B5a1d yDNA NO
Th530 mtDNA G2b1a yDNA IJK
It can be modeled using Bianbian (N-M231 male) + Longlin (female) (Pvalue=0,082), but a slightly higher Pvalue (Pvalue=0,084) is obtained when G4 series is modeled using Bianbian (N-M231 male) + Qihe3 (likely yDNA O male) (see https://www.cell.com/cms/10.1016/j.c...a9bd51a41/mmc3)
Ancient Loyang Ujung Karung (Indonesia) G5 series include
In661 Late Neolithic-Iron Age, flexed burials 1866 ± 26 years ago, female, mtDNA F1a1a
In662 Late Neolithic-Iron Age, flexed burials 2199 ± 82 years ago, male mtDNA M20, yDNA O1b
G5=66,5% Qihe3 + 33,5% Hoabinhian. PValue=0,47.
Thus, G4 series where there is one yDNA O1b1a1a1b is slightly better modeled using Qihe3 (likely yDNA O male), G5 series where there is one yDNA O1b is solely modeled using Qihe3 (likely yDNA O male). Unlike Ydna O1b1a1a1b1 MA912, none of these O1b-related series needs Devil’S Gate to be modeled preferring Qihe3.
The TMRCA of O1b1a1a1b1 is 6300 years ago with MA912 being the basal branch, according to Yfull.
The TMRCA of O1b1a1a1b is 8000 years ago, according to Yfull.
So at least O1b1a1a1b1 MA912 (Malaysia) needs Devil’s Gate population which was possibly influenced by some O1b bearers’ people in Northeast Asia.
Devil’s Gate (7500 years old) is older than the TMRCA of O1b1a1a1b1 (6300 years), so there might have been some closer interaction within the O1b continuum rather than directly between O1b1a1a1b1 MA912 (Malaysia) and northern C2b people of Devil’s Gate proper. Was there any ancient civilization (in the Lower Yangtze River basin?) to mediate such an influence???
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