Haplogroup H (Y-DNA) | |
---|---|
Possible time of origin | ~48,500 ybp |
Possible place of origin | South Asia or West Asia [1] or Southern Central Asia [2] [3] |
Ancestor | HIJK |
Descendants | H1 (L902/M3061); H2 (P96); H3 (Z5857) |
Defining mutations | L901/M2939 |
Highest frequencies | South Asians and Roma |
Haplogroup H (Y-DNA), also known as H-L901/M2939, is a Y-chromosome haplogroup.
The primary branch H1 (H-M69) and its subclades is one of the most predominant haplogroups amongst populations in South Asia, particularly its descendant H1a1 (M52). A primary branch of H-M52, H1a1a (H-M82), is found commonly among the Roma, who originated in South Asia and migrated into the Middle East and Europe, around the beginning of the 2nd millennium CE, and the Khmer people who got under influence from Indian populations. [4] The much rarer primary branch H3 (Z5857) is also concentrated in South Asia.
However, the primary branch H2 (P96) seems to have been found in sparse levels primarily in Europe and West Asia since prehistory. It has been found in remains of the Pre-Pottery Neolithic B (PPNB), which is part of the Pre-Pottery Neolithic, a Neolithic culture centered in upper Mesopotamia and the Levant, dating to c. 10,800 – c. 8,500 years ago, and also the later Linear Pottery culture and Neolithic Iberia. [5] [6] H2 likely entered Europe during the Neolithic with the spread of agriculture. [6] [7] Its present distribution is made up of various individual cases spread out throughout Europe and West Asia today. [8]
H-L901/M2939 is a direct descendant of Haplogroup GHIJK. There are, in turn, three direct descendants of H-L901/M2939 – their defining SNPs are as follows:
H-L901/M2939 is believed to have split from HIJK 48,500 years before present. [10] It seems to represent the main Y-Chromosome haplogroup of the paleolithic inhabitants of South Asia. Possible site of introduction may be South Asia, since it is highly concentrated there. [11]
Shahr-i Sokhta and Gonur sites
Shahr-e Sukhteh, Iran and Gonur, Turkmenistan. H1a1d2 - Bronze Age, 3200-1900 BCE. [12] [13]
Sample ID | Location | Radiocarbon Age | Y-DNA |
---|---|---|---|
I11459 | Shahr-i Sokhta, Iran | 2875-2631 calBCE | H1a1d2 |
I10409 | Gonur, Turkmenistan | 2280-2044 calBCE | H1a1d2 |
Gogdara and Barikot sites
With limited ancient DNA testing in South Asia, accordingly there is a limited amount of ancient samples for H1a, despite it being a populous and well distributed haplogroup today. The first set of ancient DNA from South Asia was published in March 2018. [14] 65 samples were collected from the Swat Valley of northern Pakistan, 2 of which belonged to H1a. [14]
Date | Subclade | Location | Country | Culture | Accompanying haplogroups | Source |
---|---|---|---|---|---|---|
1100-900 BC | H1a1 | Gogdara, Swat Valley | Pakistan | Udegram Iron Age | E1b1b1b2, E1b1b1b2a | [14] |
1000-800 BC | H1a1 | Barikot, Swat Valley | Pakistan | Barikot Iron Age | [14] |
The earliest sample of H2 is found in the Pre-Pottery Neolithic B culture of the Levant 10,000 years ago. [15] From ancient samples, it is clear that H2 also has a strong association with the spread of agriculture from Anatolia into Europe, and is commonly found with haplogroup G2a. [16] H2 was found in Neolithic Anatolia, as well as in multiple later Neolithic cultures of Europe, such as the Vinča culture in Serbia, [17] and the Megalith culture of Western Europe. [17]
The 2021 study "Using Y-chromosome capture enrichment to resolve haplogroup H2 shows new evidence for a two-path Neolithic expansion to Western Europe" [7] found that while H2 is less than 0.2% in modern-day western European populations it was more common during the Neolithic, between 1.5 and 9%. They identified two major clades H2m and H2d. With respect to the current ISOGG nomenclature, H2m appears to be defined by a mix of H2, H2a, H2a1 and H2c1a SNPs while H2d appears to be defined by two H2b1 SNPs, and four additional SNPs which were previously undetected. They estimated TMRCA for H2d and H2m was ~15.4 kya with H2m and H2d estimated TMRCAs of ~11.8 and ~11.9 kya respectively. H2 diversity probably existed in Near-Eastern hunter-gatherers and early farmers, and subsequently spread via the Neolithic expansion into Central and Western Europe. H2d was found along the inland/Danubian route into central Europe, but most H2m individuals are found along the Mediterranean route into Western Europe, the Iberian Peninsula and ultimately, Ireland.
There were also two occurrences of H2a found in the Neolithic Linkardstown burials in the southeast Ireland. [18] More Neolithic H2 samples have been found in Germany and France. [19]
Date | Location | Country | Culture | Accompanying haplogroups | Source |
---|---|---|---|---|---|
7300-6750 BC | Motza | Israel | Levantine Pre-Pottery Neolithic B | E1b1b1b2, T1a1, T1a2a (PPNB from Jordan) | [15] |
6500-6200 BC | Barcin site, Yenişehir Valley | Turkey | Anatolian Neolithic | G2a, I2C, C1a, J2a | [20] |
6500-6200 BC | Barcin site, Yenişehir Valley | Turkey | Anatolian Neolithic | G2a, I2C, C1a, J2a | [20] |
5832–5667 BC | Старчево | Serbia | Vinča | G2a | [17] |
5710–5662 BC | Tell Kurdu, Amik Valley | Turkey | Anatolian Neolithic | J1a2a, G2a2 | [21] |
5702–5536 BC | Старчево | Serbia | Vinča | G2a | [17] |
5400–5000 BC | Szemely | Hungary | Vinča | G2a2a, G2a2b2a1a | [17] |
3900–3600 BC | La Mina site, Soria | Spain | Megalithic | I2a2a1 | [17] |
3900–2600 BC | Boucle sinkhole, Corconne | France | Late Neolithic | I2a1, G2a, R1b-V88 | [22] |
3500–2500 BC | Monte San Biagio, Latium | Italy | Rinaldone culture/Gaudo culture | [23] | |
3925–3715 BC | Arslantepe | Turkey | Early Bronze Age | J2a1a1a2b2a, J1a2b1, E1b1b1b2a1a1, G2a2b1, J2a1a1a2b1b, R1b1a2 | [21] |
3366–3146 BC | Arslantepe | Turkey | Early Bronze Age | J2a1a1a2b2a, J1a2b1, E1b1b1b2a1a1, G2a2b1, J2a1a1a2b1b, R1b1a2 | [21] |
3336–3028 BC | Dzhulyunitsa | Bulgaria | Bulgarian Bronze Age | G2a2a1a2 | [24] |
2899–2678 BC | El Portalon cave | Spain | Pre-Bell Beaker | I2a2a | [5] |
2470–2060 BC | Budapest-Bekasmegyer | Hungary | Kurgan Bell Beaker | R1b1a1a2a1a2b1 | [25] |
1881–1700 BC | Alalakh | Turkey | Levantine Middle Bronze Age II | J1a2a1a2, J2b2, T1a1, L2-L595, J2a1a1a2b2a1b | [26] |
550–332 BC | Beirut | Lebanon | Iron Age III Achaemenid period | G2a2a1a2, G2a2b1a2, J1a2a1a2, I2a1b, Q1b | [27] |
H-M69 is common among populations of Bangladesh, India, Sri Lanka, Nepal and Pakistan, with lower frequency in Afghanistan. [2] The highest frequency of Halpogroup H found in tribal groups such as 87% among Koraga, 70% among Koya and 62% among Gond. [28] [29] The high frequencies of H-M69 are in India, in both Dravidian and Indo-Aryan castes (32.9%)., [4] [30] in Dhaka, Bangladesh (35.71%), [31] and H-M52 among Kalash (20.5%) in Pakistan. [32] [29]
Haplogroup H is typically found among Indo-Aryan, Dravidian and Tribal (Indian as well as Pakistani Kalash) populations in the Indian subcontinent. In Europe it is mostly found among Roma, who belong predominantly (between 7% and 50%) to the H1a (M82) subclade.
Haplogroup H-M69 has been found in:
Haplogroup H-M82 is a major lineage cluster in the Roma, especially Balkan Roma, among whom it accounts for approximately as high as 60% of males. [45] A 2-bp deletion at M82 locus defining this haplogroup was also reported in one-third of males from traditional Roma populations living in Bulgaria, Spain, and Lithuania. [46] High prevalence of Asian-specific Y chromosome haplogroup H-M82 supports their Indian origin and a hypothesis of a small number of founders diverging from a single ethnic group in India (Gresham et al. 2001).
Within the H-M82 haplogroup, an identical 8-microsatellite Y-chromosome haplotype is shared by nearly 30% of Gypsy men, an astonishing degree of preservation of a highly differentiated lineage, previously described only in Jewish priests. (A newly discovered founder population: the Roma/Gypsies - Stanford Medicine 2005) [47]
Important studies show a limited introgression of the typical Roma Y-chromosome haplogroup H1 in several European groups, including approximately 0.61% in Gheg Albanians and 2.48% in Tosk Albanians. [48]
Population | n/Sample size | Percentage | Source |
---|---|---|---|
Bulgarian Roma | 98/248 | 39.5 | [46] |
Hungarian Roma | 34/107 | 31.8 | [49] |
Kosovar Roma | 25/42 | 59.5 | [50] |
Lithuanian Roma | 10/20 | 50 | [46] |
Macedonian Roma | 34/57 | 59.6 | [45] |
Portuguese Roma | 21/126 | 16.7 | [51] |
Serbian Roma | 16/46 | 34.8 | [50] |
Slovakian Roma | 19/62 | 30.65 | [49] |
Spanish Roma | 5/27 | 18.5 | [46] |
Haplogroup H1a is found at much lower levels outside of the Indian subcontinent and the Roma populations but is still present in other populations:
At the easternmost extent of its distribution, Haplogroup H-M69 has been found in Thais from Thailand (1/17 = 5.9% H-M69 Northern Thailand; [61] 2/290 = 0.7% H-M52 Northern Thai; [62] 2/75 = 2.7% H-M69(xM52) and 1/75 = 1.3% H-M52(xM82) general population of Thailand [63] ), Balinese (19/551 = 3.45% H-M69), [35] Tibetans (3/156 = 1.9% H-M69(xM52, APT)), [42] Filipinos from southern Luzon (1/55 = 1.8% H-M69(xM52) [63] ), Bamars from Myanmar (1/59 = 1.7% H-M82, with the relevant individual having been sampled in Bago Region), [64] Chams from Binh Thuan, Vietnam (1/59 = 1.7% H-M69), [61] and Mongolians (1/149 = 0.7% H-M69). [34] The subclade H-M39/M138 has been observed in the vicinity of Cambodia, including one instance in a sample of six Cambodians [4] and one instance in a sample of 18 individuals from Cambodia and Laos. [44] A genome study about Khmer people resulted in an average amount of 16,5% of Khmer belonging to y-DNA H. [4]
H1b is defined by the SNPs - B108, Z34961, Z34962, Z34963, and Z34964. [65] Only discovered in 2015, H1b was detected in a single sample from an individual in Myanmar. [66] Due to only being classified recently, there are currently no studies recording H1b in modern populations.
H2 (H-P96), which is defined by seven SNPs – P96, M282, L279, L281, L284, L285, and L286 – is the only primary branch found mainly outside South Asia. [65] Formerly named F3, H2 was reclassified as belonging to haplogroup H due to sharing the marker M3035 with H1. [67] While being found in numerous ancient samples, H2 has only been found scarcely in modern populations across West Eurasia. [5]
Region | Population | n/Sample size | Percentage | Source |
---|---|---|---|---|
Central Asia | Dolan | 1/76 | 1.3 | [68] |
West Asia | UAE | 1/164 | 0.6 | [69] |
West Asia | South Iran | 2/117 | 1.7 | [70] |
West Asia | Assyrian | 1/181 | 0.5 | [71] |
West Asia | Armenia | 5/900 | 0.6 | [72] |
Southern Europe | Sardinia | 2/1194 | 0.2 | [73] |
H3 (Z5857) like H1, is also mostly centered in South Asia, albeit at much lower frequencies. [66]
Like other branches of H, due to it being newly classified it is not explicitly found in modern population studies. Samples belonging to H3 were likely labeled under F*. [66] In consumer testing, it has been found principally among South Indians and Sri Lankans, and other areas of Asia such as Arabia as well. [10]
The following gives a summary of most of the studies which specifically tested for the subclades H1a1a (H-M82) and H2 (H-P96), formerly F3, showing its distribution in different part of the world. [74]
Continent/subcontinental region | Country &/or ethnicity | Sample size | H1a1a (M82) freq. (%) | Source |
---|---|---|---|---|
East/Southeast Asia | Cambodia | 6 | 16.67 | Sengupta et al. 2006 |
East/Southeast Asia | Cambodia/Laos | 18 | 5.56 | Underhill et al. 2000 |
South Asia | Nepal | 188 | 4.25 | Gayden et al. 2007 |
South Asia | Afghanistan | 204 | 3.43 | Haber et al. 2012 |
South Asia | Malaysian Indians | 301 | 18.94 | Pamjav et al. 2011 |
South Asia | Terai-Nepal | 197 | 10.66 | Fornarino et al. 2009 |
South Asia | Hindu New Delhi | 49 | 10.2 | Fornarino et al. 2009 |
South Asia | Andhra Pradesh Tribals | 29 | 27.6 | Fornarino et al. 2009 |
South Asia | Chenchu Tribe India | 41 | 36.6 | Kivisild et al. 2003 |
South Asia | Koya Tribe India | 41 | 70.7 | Kivisild et al. 2003 |
South Asia | West Bengal India | 31 | 9.6 | Kivisild et al. 2003 |
South Asia | Konkanastha Brahmin India | 43 | 9.3 | Kivisild et al. 2003 |
South Asia | Gujarat India | 29 | 13.8 | Kivisild et al. 2003 |
South Asia | Lambadi India | 35 | 8.6 | Kivisild et al. 2003 |
South Asia | Punjab India | 66 | 4.5 | Kivisild et al. 2003 |
South Asia | Sinhalese Sri Lanka | 39 | 10.3 | Kivisild et al. 2003 |
South Asia | Northwest India | 842 | 14.49 | Rai et al.2012 |
South Asia | South India | 1845 | 20.05 | Rai et al.2012 |
South Asia | Central India | 863 | 14.83 | Rai et al.2012 |
South Asia | North India | 622 | 13.99 | Rai et al.2012 |
South Asia | East India | 1706 | 8.44 | Rai et al.2012 |
South Asia | West India | 501 | 17.17 | Rai et al.2012 |
South Asia | Northeast India | 1090 | 0.18 | Rai et al.2012 |
South Asia | Andaman Island | 20 | 0 | Thangaraj et al. 2003 |
Middle East and North Africa | Saudi Arabia | 157 | 0.64 | Abu-Amero et al. 2009 |
Middle East and North Africa | Turkish | 523 | 0.19 | Cinnioglu et al. 2004 |
Middle East and North Africa | Iran | 150 | 2 | Abu-Amero et al. 2009 |
Middle East and North Africa | Iran | 938 | 1.2 | Grugni et al. 2012 |
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