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American Journal of Human GeneticsVolume 90, Issue 2, 10 February 2012, Pages 347-355

The Arabian cradle: Mitochondrial relicts of the first steps along the Southern route out of Africa(Article)(Open Access)

  • Fernandes, V.,
  • Alshamali, F.,
  • Alves, M.,
  • Costa, M.D.,
  • Pereira, J.B.,
  • Silva, N.M.,
  • Cherni, L.,
  • Harich, N.,
  • Cerny, V.,
  • Soares, P.,
  • Richards, M.B.,
  • Pereira, L.
  • View Correspondence (jump link)
  • aInstituto de Patologia e Imunologia Molecular, Universidade Do Porto, Porto 4200-465, Portugal
  • bFaculty of Biological Sciences, Institute of Integrative and Comparative Biology, University of Leeds, Leeds LS2 9JT, United Kingdom
  • cGeneral Department of Forensic Sciences and Criminology, Dubai Police General Headquarters, Dubai 1493, United Arab Emirates
  • dLaboratory of Genetics Immunology and Human Pathology, Faculty of Sciences of Tunis, Tunis 2092, Tunisia
  • eHigher Institute of Biotechnology of Monastir, Monastir 5000, Tunisia
  • fLaboratoire d'Anthropogénétique, Départment de Biologie, Université Chouaïb Doukkali, El Jadida 24000, Morocco
  • gDepartment of Anthropology and Human Genetics, Faculty of Science, Charles University, Prague 128 43, Czech Republic
  • hInstitute for Advanced Study, Paris 75648, France
  • iSchool of Applied Sciences, University of Huddersfield, Queensgate, Huddersfield, HD1 3DH, United Kingdom
  • jFaculdade de Medicina, Universidade Do Porto, Porto 4200-319, Portugal

Abstract

A major unanswered question regarding the dispersal of modern humans around the world concerns the geographical site of the first human steps outside of Africa. The "southern coastal route" model predicts that the early stages of the dispersal took place when people crossed the Red Sea to southern Arabia, but genetic evidence has hitherto been tenuous. We have addressed this question by analyzing the three minor west-Eurasian haplogroups, N1, N2, and X. These lineages branch directly from the first non-African founder node, the root of haplogroup N, and coalesce to the time of the first successful movement of modern humans out of Africa, ∼60 thousand years (ka) ago. We sequenced complete mtDNA genomes from 85 Southwest Asian samples carrying these haplogroups and compared them with a database of 300 European examples. The results show that these minor haplogroups have a relict distribution that suggests an ancient ancestry within the Arabian Peninsula, and they most likely spread from the Gulf Oasis region toward the Near East and Europe during the pluvial period 55-24 ka ago. This pattern suggests that Arabia was indeed the first staging post in the spread of modern humans around the world. © 2012 The American Society of Human Genetics.

Indexed keywords

EMTREE medical terms:AfricaarticleAsiaAsiancomparative studycontrolled studydata baseEuropegenetic analysishaplotypehumanmitochondrial geneticspriority journalsample
MeSH:AfricaAfrican Continental Ancestry GroupArabiaAsian Continental Ancestry GroupDatabases, GeneticDNA, MitochondrialEmigration and ImmigrationEthnic GroupsEuropean Continental Ancestry GroupEvolution, MolecularGenetic VariationGenetics, PopulationGeographyHaplotypesHumansMiddle EastMitochondriaMolecular Sequence DataPhylogeny

Molecular Sequence Numbers:

GENBANK,

JQ245723(referenced), JQ245724(referenced), JQ245725(referenced), JQ245726(referenced), JQ245727(referenced), JQ245728(referenced), JQ245729(referenced), JQ245730(referenced), JQ245731(referenced), JQ245732(referenced), JQ245733(referenced), JQ245734(referenced), JQ245735(referenced), JQ245736(referenced), JQ245737(referenced), JQ245738(referenced), JQ245739(referenced), JQ245740(referenced), JQ245741(referenced), JQ245742(referenced), JQ245743(referenced), JQ245744(referenced), JQ245745(referenced), JQ245746(referenced), JQ245747(referenced), JQ245748(referenced), JQ245749(referenced), JQ245750(referenced), JQ245751(referenced), JQ245752(referenced), JQ245753(referenced), JQ245754(referenced), JQ245755(referenced), JQ245756(referenced), JQ245757(referenced), JQ245758(referenced), JQ245759(referenced), JQ245760(referenced), JQ245761(referenced), JQ245762(referenced), JQ245763(referenced), JQ245764(referenced), JQ245765(referenced), JQ245766(referenced), JQ245767(referenced), JQ245768(referenced), JQ245769(referenced), JQ245770(referenced), JQ245771(referenced), JQ245772(referenced), JQ245773(referenced), JQ245774(referenced), JQ245775(referenced), JQ245776(referenced), JQ245777(referenced), JQ245778(referenced), JQ245779(referenced), JQ245780(referenced), JQ245781(referenced), JQ245782(referenced), JQ245783(referenced), JQ245784(referenced), JQ245785(referenced), JQ245786(referenced), JQ245787(referenced), JQ245788(referenced), JQ245789(referenced), JQ245790(referenced), JQ245791(referenced), JQ245792(referenced), JQ245793(referenced), JQ245794(referenced), JQ245795(referenced), JQ245796(referenced), JQ245797(referenced), JQ245798(referenced), JQ245799(referenced), JQ245800(referenced), JQ245801(referenced), JQ245802(referenced), JQ245803(referenced), JQ245804(referenced), JQ245805(referenced), JQ245806(referenced), JQ245807(referenced)

Chemicals and CAS Registry Numbers:

DNA, Mitochondrial

  • ISSN: 00029297
  • CODEN: AJHGA
  • Source Type: Journal
  • Original language: English
  • DOI: 10.1016/j.ajhg.2011.12.010
  • PubMed ID: 22284828
  • Document Type: Article

  Pereira, L.; Instituto de Patologia e Imunologia Molecular, Universidade Do Porto, Portugal;
© Copyright 2012 Elsevier B.V., All rights reserved. © MEDLINE® is the source for the MeSH terms of this document.

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