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Haplogroup R1
Possible place of origin	Siberia, Central Asia, South Asia or Southwest Asia
Ancestor	R (R-M207)
Descendants	R1a (M420), R1b (M343)
Defining mutations	M173/P241/Page29, CTS916/M611/PF5859, CTS997/M612/PF6111, CTS1913/M654, CTS2565/M663, CTS2680, CTS2908/M666/PF6123, CTS3123/M670, CTS3321/M673, CTS4075/M682, CTS5611/M694, CTS7085/M716/Y481, CTS8116/M730, F93/M621/PF6114, F102/M625/PF6116, F132/M632, F211/Y290, F245/M659/Y477, FGC189/Y305, L875/M706/PF6131/YSC0000288, L1352/M785/YSC0000230, M306/PF6147/S1, M640/PF6118, M643, M689, M691/CTS4862/PF6042/YSC0001281, M710/PF6132/YSC0000192, M748/YSC0000207, M781, P225, P231, P233, P234, P236, P238/PF6115, P242/PF6113, P245/PF6117, P286/PF6136, P294/PF6112, PF6120

Haplogroup R1, or R-M173, is a Y-chromosome DNA haplogroup. A primary subclade of Haplogroup R (R-M207), it is defined by the SNP M173. The other primary subclade of Haplogroup R is Haplogroup R2 (R-M479).

Males carrying R-M173 in modern populations appear to comprise two subclades: R1a and R1b, which are found mainly in populations native to Eurasia (except East and Southeast Asia). R-M173 contains the majority of representatives of haplogroup R in the form of its subclades, R1a and R1b (Rosser 2000, Semino 2000).

Structure

Origins

R1 and its sibling clade R2 (R-M79) are the only immediate descendants of Haplogroup R (R-M207). R is a direct descendant of Haplogroup P1 (P-M45), and a sibling clade, therefore, of Haplogroup Q (Q-M242). The origins of haplogroup R1 cannot currently be proved. According to the SNP-Tracker (as of May 2023) it evolved around 25 000 BP/23 000 BC in western Siberia between the southern Urals and Lake Balkhash.

No examples of the basal subclade, R1* have yet been identified in living individuals or ancient remains. However, the parent clade, R* was present in Upper Paleolithic-era individuals (24,000 years BP), from the Mal'ta-Buret' culture, in Siberia. The autosomal DNA of the Mal'ta-Buret' people is a part of a group known to scholars of population genetics as Ancient North Eurasians (ANE). The first major descendant haplogroups appeared subsequently in hunter-gatherers from Eastern Europe (R1a, 13 kya) and Western Europe (R1b, 14 kya), with genotypes derived, to varying degrees, from ANE.

General distribution

Eurasia

Haplogroup R1 is very common throughout all of Eurasia except East Asia and Southeast Asia. Its distribution is believed to be associated with the re-settlement of Eurasia following the Last Glacial Maximum. Its main subgroups are R1a and R1b. One subclade of haplogroup R1b (especially R1b1a2), is the most common haplogroup in Western Europe and Bashkortostan (Lobov 2009), while a subclade of haplogroup R1a (especially haplogroup R1a1) is the most common haplogroup in large parts of South Asia, Eastern Europe, Central Asia, Western China, and South Siberia.

Individuals whose Y-chromosomes possess all the mutations on internal nodes of the Y-DNA tree down to and including M207 (which defines Haplogroup R) but which display neither the M173 mutation that defines haplogroup R1 nor the M479 mutation that defines Haplogroup R2 are categorized as belonging to group R* (R-M207). R* has been found in 10.3% (10/97) of a sample of Burusho and 6.8% (3/44) of a sample of Kalash from northern Pakistan (Firasat 2007).

Americas

The presence of haplogroup R1 among Indigenous Americans groups is a matter of controversy. It is now the most common haplogroup after the various Q-M242, especially in North America in Ojibwe people at 79%, Chipewyan 62%, Seminole 50%, Cherokee 47%, Dogrib 40% and Tohono O'odham 38%.

Some authorities point to the greater similarity between haplogroup R1 subclades found in North America and those found in Siberia (e.g. Lell and Raghavan ), suggesting prehistoric immigration from Asia and/or Beringia.

Africa

One subclade, now known as R1b1a2 (R-V88), is found only at high frequencies amongst populations native to West Africa, such as the Fulani, and is believed to reflect a prehistoric back-migration from Eurasia to Africa.

Subclade distribution

R1a (R-M420)

The split of R1a (M420) is computed to ca 25,000 years ago (95% CI: 21, 300–29, 000 BP), or roughly the last glacial maximum. A large study performed in 2014 (Underhill et al. 2015), using 16,244 individuals from over 126 populations from across Eurasia, concluded that there was compelling evidence that "the initial episodes of haplogroup R1a diversification likely occurred in the vicinity of present-day Iran." The subclade M417 (R1a1a1) diversified ca. 5,800 years ago. The distribution of M417-subclades R1-Z282 (including R1-Z280) in Central- and Eastern Europe and R1-Z93 in Asia suggests that R1a1a diversified within the Eurasian Steppes or the Middle East and Caucasus region. The place of origin of these subclades plays a role in the debate about the origins of the Indo-Europeans. High frequencies of haplogroup R1a are found amongst West Bengal Brahmins (72%), and Uttar Pradesh Brahmins, (67%), the Ishkashimi (68%), the Tajik population of Panjikent (64%), the Kyrgyz population of Central Kyrgyzstan (63.5%), Sorbs (63.39%), Bihar Brahmins (60.53%), Shors (58.8%), Poles (56.4%), Teleuts (55.3%), South Altaians (58.1%), Ukrainians (50%) and Russians (50%) (Semino 2000, Wells 2001, Behar 2003, and Sharma 2007).

R1b (R-M343)

Haplogroup R1b probably originated in Eurasia prior to or during the last glaciation. It is the most common haplogroup in Western Europe and Bashkortostan (Lobov 2009). It may have survived the last glacial maximum, in refugia near the southern Ural Mountains and Aegean Sea.(Lobov 2009).

It is also present at lower frequencies throughout Eastern Europe, with higher diversity than in western Europe, suggesting an ancient migration of haplogroup R1b from the east. Haplogroup R1b is also found at various frequencies in many different populations near the Ural Mountains and Central Asia, its likely region of origin.

There may be a correlation between this haplogroup and the spread of Centum branch Indo-European languages in southern and western Europe. For instance, the modern incidence of R1b reaches between 60% and 90% of the male population in most parts of Spain, Portugal, France, Britain and Ireland. The clade is also found at frequencies of up to 90% in the Chad Basin, and is also present in North Africa, where its frequency surpasses 10% in some parts of Algeria.

Although it is rare in South Asia, some populations show relatively high percentages for R1b. These include Lambadi showing 37% (Kivisild 2003). Hazara 32% (Sengupta 2005), and Agharia (in East India) at 30% (Sengupta 2005). Besides these, R1b has appeared in Balochi (8%), Bengalis (6.5%), Chenchu (2%), Makrani (5%), Newars (10.6%), Pallan (3.5%) and Punjabis (7.6%) (Kivisild 2003, Sengupta 2005, and Gayden 2007). In Southeast Asia, it is present in the Philippines due to Spanish and American colonization where different studies vary as to its frequency; from 3.6% of the male population, in a year 2001 study conducted by Stanford University Asia-Pacific Research Center had European Y-DNA R1b to 13% in an Public Y-DNA Library.

R-M343 (previously called Hg1 and Eu18) is the most frequent Y-chromosome haplogroup in Europe. It is an offshoot of R-M173, characterised by the M343 marker. An overwhelming majority of members of R-M343 are classified as R-P25 (defined by the P25 marker), the remainder as R-M343*. Its frequency is highest in Western Europe (and due to modern European immigration, in parts of the Americas). The majority of R-M343-carriers of European descent belong to the R-M269 (R1b1a2) descendant line.

See also

• History of Eurasia

Genetics

• Genetic history of the Middle East
• Conversion table for Y chromosome haplogroups
• Genetic Genealogy
• Haplogroup
• Haplotype
• Human Y-chromosome DNA haplogroup
• Molecular Phylogeny
• Paragroup
• Subclade
• Y-chromosomal Aaron
• Y-chromosome haplogroups in populations of the world
• Y-DNA haplogroups by ethnic group
• Y-DNA haplogroups in populations of South Asia
• Y-DNA haplogroups in populations of East and Southeast Asia
• Y-DNA haplogroups in populations of the Near East
• Y-DNA haplogroups in populations of North Africa
• Y-DNA haplogroups in populations of the Caucasus

Y-DNA R-M207 subclades

• R-L295
• R-M124
• R-M167
• R-M17
• R (R-M207)
• R-M420
• R-M479

References

1. Kivisild 2003
2. Soares 2010
3. (Wells 2001)
4. Y-DNA Haplogroup R and its Subclades – 2008 from ISOGG
5. "SNP Tracker".
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7. Saag, Lehti; Vasilyev, Sergey V.; Varul, Liivi; Kosorukova, Natalia V.; Gerasimov, Dmitri V.; Oshibkina, Svetlana V.; Griffith, Samuel J.; Solnik, Anu; Saag, Lauri; D'Atanasio, Eugenia; Metspalu, Ene (January 2021). "Genetic ancestry changes in Stone to Bronze Age transition in the East European plain". Science Advances. 7 (4): eabd6535. Bibcode:2021SciA....7.6535S. doi:10.1126/sciadv.abd6535. PMC 7817100. PMID 33523926.
8. Fu Q, Posth C, Hajdinjak M, Petr M, Mallick S, Fernandes D, et al. (June 2016). "The genetic history of Ice Age Europe". Nature. 534 (7606): 200–5. Bibcode:2016Natur.534..200F. doi:10.1038/nature17993. hdl:10211.3/198594. PMC 4943878. PMID 27135931.
9. Haak, Wolfgang; Lazaridis, Iosif; Patterson, Nick; Rohland, Nadin; Mallick, Swapan; Llamas, Bastien; Brandt, Guido; Nordenfelt, Susanne; Harney, Eadaoin; Stewardson, Kristin; Fu, Qiaomei (June 2015). "Massive migration from the steppe was a source for Indo-European languages in Europe". Nature. 522 (7555): 207–211. arXiv:1502.02783. Bibcode:2015Natur.522..207H. doi:10.1038/nature14317. ISSN 1476-4687. PMC 5048219. PMID 25731166.
10. "Results for R1b1 members". Archived from the original on 13 March 2009. Retrieved 27 December 2019.
11. Lell Jeffrey T.; Sukernik Rem I.; Starikovskaya Yelena B.; Su Bing; Jin Li; Schurr Theodore G.; Underhill Peter A.; Wallace Douglas C. (2002). "The Dual Origin and Siberian Affinities of Native American". The American Journal of Human Genetics. 70 (1): 192–206. doi:10.1086/338457. PMC 384887. PMID 11731934.
12. Raghavan Maanasa; Skoglund Pontus; Graf Kelly E.; Metspalu Mait; Albrechtsen Anders; Moltke Ida; Rasmussen Simon; Thomas W. Stafford Jr; Orlando Ludovic; Metspalu Ene; Karmin Monika; Tambets Kristiina; Rootsi Siiri; Mägi Reedik; Campos Paula F.; Balanovska Elena; Balanovsky Oleg; Khusnutdinova Elza; Litvinov Sergey; Osipova Ludmila P.; Fedorova Sardana A.; Voevoda Mikhail I.; DeGiorgio Michael; Sicheritz-Ponten Thomas; Brunak Søren; et al. (2013). "(2 January 2014). "Upper Palaeolithic Siberian genome reveals dual ancestry of Native Americans"". Nature. 505 (7481): 87–91. Bibcode:2014Natur.505...87R. doi:10.1038/nature12736. PMC 4105016. PMID 24256729.
13. Underhill, Peter A. (2015), "The phylogenetic and geographic structure of Y-chromosome haplogroup R1a", European Journal of Human Genetics, 23 (1): 124–131, doi:10.1038/ejhg.2014.50, PMC 4266736, PMID 24667786
14. Underhill 2014, p. 130.
15. ^ Pamjav 2012.
16. Underhill 2014.
17. ^ Miroslava Derenko et al 2005, Contrasting patterns of Y-chromosome variation in South Siberian populations from Baikal and Altai-Sayan regions Archived 30 March 2022 at the Wayback Machine
18. Khar'kov, V.N. (2007), "Gene pool differences between Northern and Southern Altaians inferred from the data on Y-chromosomal haplogroups", Genetika, 43 (5): 675–87, doi:10.1134/S1022795407050110, PMID 17633562, S2CID 566825
19. Robino C, Crobu F, Di Gaetano C, et al. (May 2008). "Analysis of Y-chromosomal SNP haplogroups and STR haplotypes in an Algerian population sample". Int. J. Legal Med. 122 (3): 251–5. doi:10.1007/s00414-007-0203-5. PMID 17909833. S2CID 11556974.
20. "Variations of R1b Ydna in Europe: Distribution and Origins | WorldFamilies.net". www.worldfamilies.net. Archived from the original on 9 October 2018. Retrieved 27 December 2019.
21. "Most Euro men are related to King Tut: DNA testing reveals strange genetic link among Europeans; Oddly, most Egyptians not in the family". Metro NY. Reuters. 2 August 2011. Archived from the original on 23 March 2012. Retrieved 14 September 2011.
22. "With a sample population of 105 Filipinos, the company of Applied Biosystems, analysed the Y-DNA of average Filipinos and it is discovered that about 0.95% of the samples have the Y-DNA Haplotype "H1a", which is most common in South Asia and had spread to the Philippines via precolonial Indian missionaries who spread Hinduism and established Indic Rajahnates like Cebu and Butuan. The 13% frequeny of R1b also indicate Spanish admixture". Archived from the original on 25 May 2017. Retrieved 20 October 2021.
23. "Manual Collation". Archived from the original on 26 October 2022. Retrieved 26 October 2022.
24. Philippines DNA Project Archived 4 February 2023 at the Wayback Machine - Y-DNA Classic Chart
25. Note that in earlier literature the M269 marker, rather than M343, was used to define the "R1b" haplogroup. Then, for a time (from 2003 to 2005) what is now R1b1c was designated R1b3.

Works cited

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v t e Phylogenetic tree of human Y-chromosome DNA haplogroups
This article needs to be updated. Please help update this article to reflect recent events or newly available information. (February 2021)
"Y-chromosomal Adam" A00 A0-T  A0 A1  A1a A1b A1b1 BT B CT DE CF D E C F F1  F-Y27277   F3  GHIJK G HIJK IJK H IJ K I   J     LT        K2  I1   I2  J1   J2  L     T  K2e K2d K2c K2b   K2a K2b1    P  K-M2313  S   M     P1   NO1 P1c P1b P1a N O R Q
Y-DNA by population Y-DNA haplogroups of historic people Footnotes Van Oven M, Van Geystelen A, Kayser M, Decorte R, Larmuseau HD (2014). "Seeing the wood for the trees: a minimal reference phylogeny for the human Y chromosome". Human Mutation. 35 (2): 187–91. doi:10.1002/humu.22468. PMID 24166809. S2CID 23291764. International Society of Genetic Genealogy (ISOGG; 2015), Y-DNA Haplogroup Tree 2015. (Access date: 1 February 2015.) Haplogroup A0-T is also known as A-L1085 (and previously as A0'1'2'3'4). Haplogroup A1 is also known as A1'2'3'4. F-Y27277, sometimes known as F2'4, is both the parent clade of F2 and F4 and a child of F-M89. Haplogroup LT (L298/P326) is also known as Haplogroup K1. Between 2002 and 2008, Haplogroup T-M184 was known as "Haplogroup K2". That name has since been re-assigned to K-M526, the sibling of Haplogroup LT. Haplogroup K2b (M1221/P331/PF5911) is also known as Haplogroup MPS. Haplogroup K2b1 (P397/P399) is also known as Haplogroup MS, but has a broader and more complex internal structure. Haplogroup P (P295) is also klnown as K2b2. K-M2313*, which as yet has no phylogenetic name, has been documented in two living individuals, who have ethnic ties to India and South East Asia. In addition, K-Y28299, which appears to be a primary branch of K-M2313, has been found in three living individuals from India. See: Poznik op. cit.; YFull YTree v5.08, 2017, "K-M2335", and; PhyloTree, 2017, "Details of the Y-SNP markers included in the minimal Y tree" (Access date of these pages: 9 December 2017) Haplogroup S, as of 2017, is also known as K2b1a. (Previously the name Haplogroup S was assigned to K2b1a4.) Haplogroup M, as of 2017, is also known as K2b1b. (Previously the name Haplogroup M was assigned to K2b1d.)

• Haplogroup R
• Human evolution
• Human Y-DNA haplogroups