January 2015 PMID 24667786

The phylogenetic and geographic structure of Y-chromosome haplogroup R1a.

Peter A Underhill, G David Poznik, Siiri Rootsi, Mari Järve, Alice A Lin, Jianbin Wang, Ben Passarelli, Jad Kanbar, Natalie M Myres, Roy J King, Julie Di Cristofaro, Hovhannes Sahakyan, Doron M Behar, Alena Kushniarevich, Jelena Sarac

Mentions

46
Peak: 4 in Jun 2025
across 6 sources since Apr 2014

Extended reach

209,201
potential audience

Total likes

2,092

Video views

119,199

Mentions per month

Apr 2014 – Jan 2026

Where it's discussed

  • X / Twitter20 posts
  • News19 articles
  • Bluesky2 posts
  • YouTube2 videos
  • Blogs2 articles
  • Facebook1 posts

AI synopsis

What people are saying

Discussions consistently reference in-depth data and genetic classifications, such as mentions of the Z93 and Z282 branches, emphasizing the significance of the research on population history. Tone varies from supportive praise, seen in comments like 'Great paper,' to critical analysis regarding its implications, showing both respect for the work and curiosity about its impact.

AgreementModerate agreement

Most discussions acknowledge the importance and significance of the study, with several references to its detailed analysis and findings, indicating general support.

InterestHigh interest

The discussions are highly engaging, with many participants referencing multiple papers, data, and geographic details, showing strong interest across academic and national contexts.

EngagementModerate engagement

Participants actively analyze the methodology, historical implications, and details such as genetic lineages and population movements, demonstrating deep engagement.

ImpactModerate impact

The discussions highlight potential implications for historical understanding, migration theories, and national identity, indicating these findings could influence broader scholarly and cultural debates.

Abstract in brief

  • The study analyzed the distribution and genetic structure of the Y-chromosome haplogroup R1aM420 across Eurasia, finding it to be widespread but poorly understood in terms of substructure.
  • Whole Y-chromosome analysis suggests that R1a and R1b diverged around 25,000 years ago, with R1a itself coalescing approximately 5,800 years ago, highlighting its deep history.
  • The findings reveal two main groups: one mainly in Europe and the other in Central and South Asia, with evidence suggesting that R1a diversified initially near present-day Iran before spreading further.]

Top posts

Most liked on X and Bluesky
abo Ahmed
@R1a_HG · X

الدراسة تشير إلى أن السلالة R1a ( التحور M420) نشأت منذ حوالي 25,000 سنة في أوراسيا،قرب إيران أو الشرق الأوسط،دراسة علمية نشرت في مجلة European Journal of Human Genetics عام 2015.أجراها فريق من العلماء بقيادة Peter A. Underhill، وشارك أكثر من 16,000 فرد https://t.co/54rlTV498m https://t.co/5uvtnXH1n3

Aug 18, 2025 · 4 likes · 1 share · 23,307 followers View post →
Dr. Fahad Mohammed
@Arabicscientist · X

Jun 28, 2025 · 4 likes · 2 shares · 1,014 followers View post →
Coach Soprano
@UncJrVarsitySqd · X

@pandeyrahulvit @ScionofGaruda (1) R-Z93 is downstream of m417. (2) No, that doesn’t equate its origins (3) a) Narasimhan et al. 2019 (Science): The Formation of Human Populations in South & Central Asia b) Underhill et al. (2014/2015): “The phylogenetic and geographic structure of Y-chromosome haplogroup R1a”

Dec 13, 2025 · 4 likes · 103 followers View post →
شيخ الساده الآريه
@Sheikh_Abrahams · X

هيكلة وجغرافية السلاله R1a https://t.co/yytODR3sEP الفئه المستهدفه https://t.co/7TbYWKEaeD https://t.co/ONUUbYpBae

May 21, 2020 · 3 likes · 1,103 followers View post →
Qurayshi
@QurayshDNA · X

Source: • Underhill, Peter A. (2014), "The phylogenetic and geographic structure of Y-chromosome haplogroup R1a", European Journal of Human Genetics, 23 (1): 124–131 https://t.co/fLcejCYfYD https://t.co/WM1wgkIQiX https://t.co/3v6u3boolg

Dec 6, 2024 · 2 likes · 80 followers View post →
abo Ahmed
@R1a_HG · X

الدراسة :- https://t.co/54rlTV498m

Aug 18, 2025 · 1 like · 23,307 followers View post →

All mentions

Kuchim
@Kuchim1324 · X

@Arabicscientist @grok دراسة Underhill et al. (2014) – “The phylogenetic and geographic structure of Y-chromosome haplogroup R1a”، والتي وُجدت لديها السلالة R1a؟ أرجو توضيح هذه الشعوب حسب المناطق الجغرافية

Jan 5, 2026 · 2 followers View post →
Coach Soprano
@UncJrVarsitySqd · X

@pandeyrahulvit @ScionofGaruda (1) R-Z93 is downstream of m417. (2) No, that doesn’t equate its origins (3) a) Narasimhan et al. 2019 (Science): The Formation of Human Populations in South & Central Asia b) Underhill et al. (2014/2015): “The phylogenetic and geographic structure of Y-chromosome haplogroup R1a”

Dec 13, 2025 · 4 likes · 103 followers View post →
Morfeus
@Miro94748140 · X

@mssharma @Aarth428244 @SamAndrews1017 Underhill et al. (2015) – "The phylogenetic and geographic structure of Y-chromosome haplogroup R1a" (European Journal of Human Genetics)Comprehensive global sampling (16,244 males). European R1a: almost exclusively Z282 branch. Central/South Asian R1a: almost exclusively Z93

Nov 21, 2025 · 232 followers View post →
عــــبــــدالــــلـــــه
@abdulla08085705 · X

RT @R1a_HG: الدراسة تشير إلى أن السلالة R1a ( التحور M420) نشأت منذ حوالي 25,000 سنة في أوراسيا،قرب إيران أو الشرق الأوسط،دراسة علمية نشرت…

Aug 19, 2025 · 1 share · 523 followers View post →
abo Ahmed
@R1a_HG · X

الدراسة :- https://t.co/54rlTV498m

Aug 18, 2025 · 1 like · 23,307 followers View post →
abo Ahmed
@R1a_HG · X

الدراسة تشير إلى أن السلالة R1a ( التحور M420) نشأت منذ حوالي 25,000 سنة في أوراسيا،قرب إيران أو الشرق الأوسط،دراسة علمية نشرت في مجلة European Journal of Human Genetics عام 2015.أجراها فريق من العلماء بقيادة Peter A. Underhill، وشارك أكثر من 16,000 فرد https://t.co/54rlTV498m https://t.co/5uvtnXH1n3

Aug 18, 2025 · 4 likes · 1 share · 23,307 followers View post →
Vibudh Sridhar
@VibudhSridhar · X

@SkandArya999 Go through the list of samples in that paper and the other referenced paper There aren't any populations specific to Patna there It's a very coarse-grained map and that darkest blue must be something from Terai https://t.co/sMAKvrrM9O https://t.co/3hbnJhRUqv

Jul 31, 2025 · 714 followers View post →
Subinay
@Rupeshpa2 · X

@IPamrendra Sir pls isko bhi thoda analyse kariye aur shodh kariye ,nhi toh yeh hum sab ke purvajon ko videshi bana denge https://t.co/jxwC5Zwapy.

Jul 19, 2025 · 486 followers View post →
Subinay
@Rupeshpa2 · X

@SanjeevSanskrit Grok is also using this to counter to defend migration . https://t.co/jxwC5ZwIf6

Jul 18, 2025 · 486 followers View post →
The truth shall set you free
@TruthPrevail94 · X

RT @Arabicscientist:

Jun 30, 2025 · 2 shares · 456 followers View post →
abo Ahmed
@R1a_HG · X

RT @Arabicscientist:

Jun 28, 2025 · 2 shares · 23,307 followers View post →
Dr. Fahad Mohammed
@Arabicscientist · X

Jun 28, 2025 · 4 likes · 2 shares · 1,014 followers View post →
Dr. Fahad Mohammed
@Arabicscientist · X

Jun 28, 2025 · 1,014 followers View post →
Qurayshi
@QurayshDNA · X

Source: • Underhill, Peter A. (2014), "The phylogenetic and geographic structure of Y-chromosome haplogroup R1a", European Journal of Human Genetics, 23 (1): 124–131 https://t.co/fLcejCYfYD https://t.co/WM1wgkIQiX https://t.co/3v6u3boolg

Dec 6, 2024 · 2 likes · 80 followers View post →
Wyga Strzyga.
@WStrzyga · X

@HanterPoen @anneapplebaum Tu znalazłam jeszcze jedną tabele. Podejrzewam że nikt inny nie zauważył. https://t.co/jiLJvzfYV8

Aug 3, 2024 · 1,157 followers View post →
Pete
@Peterpanicko · X

@TheGloriousLion You can read his paper, The phylogenetic and geographic structure of Y-chromosome haplogroup R1a. https://t.co/iVograJC93

Mar 28, 2024 · 1 like · 61 followers View post →
Ripper’s Ghost
@DenyThemEssence · X

@boi3_bozic @LvivTyler The phylogenetic and geographic structure of Y-chromosome haplogroup R1a https://t.co/2htvfOHiyR

Feb 1, 2023 · 1 like · 1,819 followers View post →
Edward Morbius
@Altair4Krell · X

@MaciekKong Szkoda że tematem nie zajęto się uczciwie i na poważnie, tylko oddano pole ruskiej interpretacji, mógłby przynieść spore korzyści dla Polski. Wstawię tylko link do jednej publikacji opracowanej przez grono specjalistów z całego świata. https://t.co/uLhidf3Ufz

Mar 4, 2022 · 263 followers View post →
Damien Marie AtHope Ⓐ
@AthopeMarie · X

The phylogenetic and geographic structure of Y-chromosome haplogroup R1a https://t.co/hvV2lm2bsq https://t.co/WgUXY5hxiJ

Jan 15, 2022 · 10,332 followers View post →
شيخ الساده الآريه
@Sheikh_Abrahams · X

هيكلة وجغرافية السلاله R1a https://t.co/yytODR3sEP الفئه المستهدفه https://t.co/7TbYWKEaeD https://t.co/ONUUbYpBae

May 21, 2020 · 3 likes · 1,103 followers View post →
Paleogenomics - María Ávila Arcos
@paleogenomics.bsky.social · Bluesky

“The phylogenetic and geographic structure of Y-chromosome haplogroup R1a” Underhill et al http://www.nature.com/ejhg/journal/v23/n1/full/ejhg201450a.html?WT.ec_id=EJHG-201501

Dec 11, 2014 View post →
Paleogenomics - María Ávila Arcos
@paleogenomics.bsky.social · Bluesky

Great paper by Peter U and David P! "The phylogenetic and geographic structure of Y-chromosome haplogroup R1a" http://www.nature.com/ejhg/journal/vaop/ncurrent/full/ejhg201450a.html

Apr 1, 2014 View post →
Srpski Istok Nekad I Danas | PDF
News

https://doi.org/10.1038/ejhg.2014.50. Vaillant, A. (1950). Grammaire comparée des langues slaves: Phonétique. Lyon: IAC. White, S. (2011). The climate of ...

Jan 6, 2026 View →
Autochtonizm Kontra Allochtonizm, Odwieczny Spór o Pochodzenie ...
News

DOI:10.1038/ejhg.2014.50. Underhill P., Myres N., Rootsi S. et al.: Separating the post–Glacial coancestry of European and Asian Y chromosomes within ...

Jan 6, 2026 View →
Y-DNA Haplotype Analysis of Slovenians | PDF
News

10.1038/ejhg.2014.50. 32. Valvasor Vajkard J., ast in slava vojvodine Kranjske, Zavod Deela Kranjska, 2009. 33. Venelin J., Starodavni in dananji Slovenci ...

Jan 6, 2026 View →
Origin and Theories of Vedas | PDF | Hittites | Vedas
News

... 10.1038/ejhg.2014.50; published online 26 March 2014 The phylogenetic and geographic structure of Y-chromosome haplogroup R1a, Peter Underhill et. al. Y ...

Jan 6, 2026 View →
Original Homeland of Indo Europeans | PDF
News

doi: 10.1038/ejhg.2014.50 10. Kerdoncuff, E., Laurits S., Patterson, N. et al. 50,000 years of Evolutionary History of India: Insights from ~2,700 Whole ...

Jan 6, 2026 View →
Early Slavs - Wikipedia | PDF | Slavs | Ethnic Groups
News

haplogroup R1a", European Journal of Human Genetics, 23 (1): 124–131, doi:10.1038/ejhg.2014.50 (https://doi.org/10.1038%2Fejhg.2014.50), PMC 4266736 (https:// ...

Jan 6, 2026 View →
1 s2.0 S1570677X14000665 Main | PDF
News

Anthropometric reference data for children 10.1038/ejhg.2014.50. and adults: United States 2003–2006. In: National Health Statistics Vančata, V., Charvátová ...

Jan 6, 2026 View →
Ena Da Kultura 2021 N25 | PDF
News

131, doi:10.1038/ejhg.2014.50, PMC 4266736, PMID 24667786 Rothman, Mitchell S. (2015). "Early Bronze Age migrants and ethnicity in the Middle Eastern ...

Jan 6, 2026 View →
Indus Valley Civilization Overview | PDF | Archaeology
News

doi:10.1038/ejhg.2014.50 (https://doi.org/10.10 38%2Fejhg.2014.50). ISSN 1018-4813 (https://www.worldcat.org/issn/1018-4813). PMC 4266736 (https://www.ncbi ...

Jan 6, 2026 View →
Research of Ancient DNA by Polish Scientists | PDF | Haplotype ...
News

... 10.1038/ejhg.2014.50. 430. Proceedings of the Academy of DNA Genealogy, vol. 16, No. 3, 2023, pp. 398-431. Vayda, Słowiańska haplogrupa R1a i I2a-Dinaric ...

Jan 6, 2026 View →
Correlation of Y-DNA Haplogroups and Language Families | PDF ...
News

chromosome haplogroup R1a. Eur J Hum Genet 23, 124–131 (2015). https://doi.org/10.1038/ejhg.2014.50. Skourtanioti, E ...

Nov 5, 2025 View →
2024.08.28.610024v1.full | PDF | Genetics | Population Genetics
News

10.1038/ejhg.2014.50. 481 12. Klyosov, A.A., and Rozhanskii, I.L. (2012). Haplogroup R1a as the Proto Indo-Europeans and 482 the legendary ...

Aug 28, 2024 View →
Indus Valley Civilisation - Wikipedia | PDF | Indus River
News

European Journal of Human Genetics. 23 (1): 124–131. doi:10.1038/ejhg.2014.50 (https://doi.org/10.1038%2Fejhg.2014.50) . ISSN 1018-4813 ...

Mar 30, 2024 View →
Heritage of Proto-Aryan Ancestors and Noble Warriors in Central ...
News

124–131; doi: 10.1038/ ejhg.2014.50; published online 26 March 2014. 58. Urbanczyk P. (2008), Trudne początki Polski (Difficult begin- nings ...

May 16, 2022 View →
Indus Valley Civilisation | PDF | Archaeology
News

doi:10.1038/ejhg.2014.50 (https://doi.org/10.1038%2Fejhg.20 14.50). ISSN 1018-4813 (https://www.worldcat.org/issn/1018-4813). PMC 4266736 ...

Aug 9, 2021 View →
South Slavs | PDF
News

... 10.1038/ejng.2014.50 (https//doi.org/10.1038%2F ejhg.2014.50), PMC 4266736 (tp '7%2Fs10038-007-0125-6). Journal of Human Genetics. 52 (5) ...

Dec 31, 2020 View →
Genetics of South Asian Populations | PDF | Population Genetics ...
News

... 10.1038/ejhg.2014.50 (https://doi.org/10.1038%2Fejh g.2014.50), PMC 4266736 (https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4266736), PMID ...

Sep 20, 2019 View →
The Mother and Father of Middle Migrations Geneticists and ...
Facebook

European journal of human genetics: EJHG 23, 124-131, doi: 10.1038/ejhg.2014.50 (2015).] No photo description available. 7 yrs. 1 · Zoya ...

Apr 14, 2019 View →
Indus Valley Civilisation - Wikipedia | PDF | Archaeology
News

131, doi:10.1038/ejhg.2014.50 (https://doi.org/10.1038%2Fejhg.2014.50), ISSN 1018-4813 (https://www.worldcat.org/ issn/1018-4813), PMC ...

Mar 31, 2019 View →
Indus Valley Civilisation | PDF | Archaeology
News

... 10.1038/ejhg.2014.50, ISSN 1018-4813, PMC 4266736 , PMID 24667786, retrieved 15 June 2016. Underhill, Peter A.; et al. (2015),"The ...

Jan 12, 2018 View →
Dienekes' Anthropology Blog: 03/2014
Blogs

... 10.1038/ejhg.2014.50. The phylogenetic and geographic structure of Y-chromosome haplogroup R1a Peter A Underhill et al. R1a-M420 is one of ...

Mar 28, 2014 View →
Dienekes' Anthropology Blog: Major new article on the deep origins ...
Blogs

... 10.1038/ejhg.2014.50. The phylogenetic and geographic structure of Y-chromosome haplogroup R1a Peter A Underhill et al. R1a-M420 is one of ...

Mar 27, 2014 View →