Haplogroup L3

[8] The possibility of an origin of L3 in Asia was proposed by Cabrera et al. (2018) based on the similar coalescence dates of L3 and its Eurasian-distributed M and N derivative clades (ca.

70 kya), the distant location in Southeast Asia of the oldest known subclades of M and N, and the comparable age of the paternal haplogroup DE.

[11][4][12] Vai et al. (2019) suggest, from a newly discovered old and deeply-rooted branch of maternal haplogroup N found in early Neolithic North African remains, that haplogroup L3 originated in East Africa between 70,000 and 60,000 years ago, and both spread within Africa and left Africa as part of the Out-of-Africa migration, with haplogroup N diverging from it soon after (between 65,000 and 50,000 years ago) either in Arabia or possibly North Africa, and haplogroup M originating in the Middle East around the same time as N.[4] A study by Lipson et al. (2019) analyzing remains from the Cameroonian site of Shum Laka found them to be more similar to modern-day Pygmy peoples than to West Africans, and suggests that several other groups (including the ancestors of West Africans, East Africans and the ancestors of non-Africans) commonly derived from a human population originating in East Africa between about 80,000-60,000 years ago, which they suggest was also the source and origin zone of haplogroup L3 around 70,000 years ago.

[35] L3x2a was observed in a 4,500 year old hunter-gather excavated in Mota, Ethiopia, with the ancient fossil found to be most closely related to modern Southwest Ethiopian populations.

[36][37] Haplogroup L3 has also been found among ancient Egyptian mummies (1/90; 1%) excavated at the Abusir el-Meleq archaeological site in Middle Egypt, with the rest deriving from Eurasian subclades, which date from the Pre-Ptolemaic/late New Kingdom and Ptolemaic periods.

[38] Additionally, haplogroup L3 has been observed in ancient Guanche fossils excavated in Gran Canaria and Tenerife on the Canary Islands, which have been radiocarbon-dated to between the 7th and 11th centuries CE.

The Guanche skeletons also bore an autochthonous Maghrebi genomic component that peaks among modern Berbers, which suggests that they originated from ancestral Berber populations inhabiting northwestern Affoundnat a high ncy[39] A variety of L3 have been uncovered in ancient remains associated with the Pastoral Neolithic and Pastoral Iron Age of East Africa.

Proposed migration route depicting the origin of L3 in Africa and its dispersal both out of and within the continent, with two possible models (as depicted by Vai et al.) [ 4 ] : (a) Haplogroup N differentiates from L3 in Africa, with a subsequent spread out of Africa, and differentiation of haplogroup M from L3 outside Africa. (b) Haplogroups M and N diverge from L3 outside Africa after the expansion of L3 from the continent; later migrations during the Upper Paleolithic and Neolithic led some lineages back to North Africa. (Haplogroups are indicated in black circles in their probable area of origin.)
Proposed migration route according to the Asian origin hypothesis (Cabrera et al.). [ 6 ]
a: Exit of the L3 precursor to Eurasia. b: Return to Africa and expansion to Asia of basal L3 lineages with subsequent differentiation in both continents.
Projected spatial distribution of haplogroup L3 in Africa and the Arabian Peninsula.
L3 subclade distribution: L3b, L3d, L3e, L3f, L3h, L3i, L3x and L3w.