Moderator: Starbuck

E-35 origins

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Joined: August 12th, 2005, 8:39 am

August 20th, 2009, 5:40 pm #1

wrote:Like the Iberian Peninsula, the dominant mtDNA haplogroup H subgroups in North Africa are H1 (42%) and H3 (13%). The similarity between these regions is stronger in the North-West edge affecting mainly Moroccan Arabs, West Saharans and Mauritanians, and decreases eastwards probably due to gene flow from Near East as attested for the higher frequencies of H4, H5, H7, H8 and H11 subgroups. Moroccan Berbers show stronger affinities with Tunisian and Tunisian Berbers than with Moroccan Arabs. Coalescence ages for H1 (11 ± 2 ky) and H3 (11 ± 4 ky) in North Africa point to the possibility of a late Palaeolithic settlement for these lineages similar to those found for other mtDNA haplogroups. Total and partial mtDNA genomic sequencing unveiled stronger mtDNA differentiation among regions than previously found using HVSI mtDNA based analysis.
wrote:A principal component analysis (PCA) points to subhaplogroups H1 and H3 as being primarily responsible for the Iberian-Moroccan-Saharan connection, whereas H4, H5, H7, H8 and H11 testify the Near East influence (data not shown). Similarly, haplotypic based FST distances show a strong influence of the Iberian Peninsula on the Western Moroccan and Saharan North African
wrote:At this point, it is noteworthy that all the Arabian Peninsula haplotypes shared with North Africa are a subset of those shared by the latter with the Near East, pointing to a minor direct input of the Arabian Peninsula on the North African populations.
Mitochondrial DNA haplogroup H structure in North Africa
Ennafaa et al. (2009)

Seems to me H1 and H3 migrated along with R1b. Other Near Eastern haplogroups (H4, H5, H7, H8 and H11) along with J1.

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Joined: January 2nd, 2005, 3:35 am

April 28th, 2018, 1:02 pm #2

manju wrote:
wrote:The E1b1b1 frequency gradient, considered in the light of the haplotype diversity, suggests an early migration (Neolithic) from the Levant into North Africa that is consistent with a limited gene flow into Africa followed by a rapid expansion and later punctuated by some back migrations as a result of migratory events in the Mediterranean (Arredi et al., 2004). According to this model, the E1b1b1 frequency gradient between coastal Levant and inland Levant would reflect an origin and expansion near the coast, and limited migration inland. The STR network for the E1b1b1 haplotype lineages (Fig. 5C) dissects these migration events. The network shows geographical separation of the lineages marked by STRs between North African countries (Morocco and Tunisia) and the Levantine countries. Another independent measure is the number of mutations along a lineage. In Arredi et al. (2004), the authors estimated the time to the most recent common ancestor for E1b1b1 lineages in North Africa (E1b1b1b-M81) and this was found to coincide with a possible Neolithic origin.

M. El-Sibai et al. (2009)
With ancient samples now available that puts a chronology onto E-M35 distribution in the Middle East, I think now there can be no doubt it comes from Africa "recently".

El-Sibai et al. 2009's E1b1b1 is M35, even though the tree provided equates M35 with E1b1b. El-Sibai et al. 2009 indicates that it is following 2008 YCC (Karafet 2008) conventions. In Karafet 2008 M35 is described as E1b1b in the article but elaborated as E1b1b1 in the formal tree given in supplemental material, link.
Ibra wrote:I don’t necessary agree with most of the inferences that researchers draw due the false mutation rate but the comparison is there with H1a as being a contribution from foragers. I estimate that E1b1b1= 11700, E1b1b1a = 5510 and E1b1b1a2 (E-V13) = 4800 years ago.
This might interest you: ... 3/abstract ... edit#gid=0

Ibero-Maurisians seem to be all in M78 clad, which is the most common in Europe.
Natufians seem to be in Z830. M78 and Z830 are parallel clads under M35, which is the only branch of E with high distribution outside of sub-Saharan Africa.
E1b1a-V38 (2018) -
_M2/DYS271 (M291 equivalent) West African
_M329 Ethiopian

E1b1b-M215 East African
_E-M35 North Africa
___M78 Ibero-Maurisian
___Z830 Natufian clad