Haplogroup IJK

Haplogroup IJK is a human Y-chromosome DNA haplogroup. IJK is a primary branch of the macrohaplogroup HIJK. Its direct descendants are haplogroup IJ and haplogroup K.[2]

Haplogroup IJK
Possible time of origin49,000-59,000 BP[1]
Possible place of originUnknown, Asia
AncestorHaplogroup HIJK
DescendantsIJ, K
Defining mutationsL15/S137, L16/S138, L69.1(=G)/S163.1

Distribution and structure

The basal paragroup HIJK* has been found in a Mesolithic European (Magdalenian), GoyetQ-2, and the basal IJK was found in an Upper Paleolithic European (Gravettian), Vestonice16.[3]

Populations with high proportions of males who belong to descendant major haplogroups of Haplogroup HIJK live across widely dispersed areas and populations. Subclades of IJK are now concentrated in males native to:

Basic phylogeny
  • IJK
    • IJK (L15/S137, L16/S138, L69.1(=G)/S163.1)
      • IJ (M429/P125, P123, P124, P126, P127, P129, P130, S2, S22)
      • K (M9, P128, P131, P132)

Phylogenetic tree
Haplogroup IJK†
IJ
I
 

I1 found mainly in Northern Europe.

 
 

I2found mainly in South-Eastern Europe

 
 
J
 

J1 found mainly in the Middle East.

 
 

J2 found mainly in the Middle East, Caucasus, Central Asia, South Asia and Southern Europe.

 
 
 
K†
LT†
 

L found mainly in Central Asia, South Asia and Western Asia.

 
 

T now concentrated in the Horn of Africa, the Arabian subcontinent, India and Eurasia.

 
 
K2
 

K2* – the basal subclade is found at significant levels among indigenous Australians.

 
  NO* † (found only in the remains of Ust'-Ishim man,
 dating from 45,000 BP [4]) → NO1 (K2a) 
 

NO1* †

 
 

N found mainly in Northern Asia and Northern Europe.

 
 

O found mainly in East Asia, Southeast Asia, and Oceania.

 
 
K2b†
 

K2b1*† – subclades of K2b1 include the major haplogroups M and S; these are now found mainly among Papuan peoples, Micronesian peoples, indigenous Australians, and Polynesians

 
 P (K2b2)
 

P* rare; found mostly in Island South East Asia, Eastern Siberia and Central Asia

 
 

P1 – the primary subclades are major haplogroups Q and R, which are now numerically dominant in Central Asia, Europe, South Asia, the Middle East and among Native Americans

 
 

P2 extremely rare and found only in the Philippines

 
 
 
 

 K2c – rare lineage, found mainly in males from Bali [5]

 
 

 K2d – rare lineage, found mainly in Java

 
 

 K2e – rare lineage, found only in two living males from South India [5]

 
 
 
 

† = A basal haplogroup that has not been documented among living individuals.

(Based on the YCC 2008 tree and subsequent published research.[6])

Mutation

L15

The defining SNP L15 is located at Y chromosomal location rs9786139 with the ancestral value being A and the derived value being G.

L16

The defining SNP L16 is at location rs9786714 with the ancestral value being G and the derived value being A.

See also
Phylogenetic tree of human Y-chromosome DNA haplogroups [χ 1][χ 2]
"Y-chromosomal Adam"
A00 A0-T [χ 3]
A0 A1 [χ 4]
A1a A1b
A1b1 BT
B CT
DE CF
D E C F
F1  F2  F3  GHIJK
G HIJK
IJK H
IJ K
I   J     LT [χ 5]       K2 [χ 6]
L     T    K2a [χ 7]        K2b [χ 8]     K2c     K2d K2e [χ 9]  
K-M2313 [χ 10]     K2b1 [χ 11] P [χ 12]
NO   S [χ 13]  M [χ 14]    P1     P2
N O Q R

References
  1. The remains of Ust'-Ishim man, dating from 45,000 BP have been found to be NO*, meaning that IJK must be significantly older.
  2. "FTDNA Advanced SNP Descriptions". Archived from the original on 2010-12-27. Retrieved 2008-11-06.
  3. Fu, Q.; Posth, C.; Hajdinjak, M.; Petr, M.; Mallick, S.; Fernandes, D.; Furtwängler, A.; Haak, W.; Meyer, M.; Mittnik, A.; Nickel, B.; Peltzer, A.; Rohland, N.; Slon, V.; Talamo, S.; Lazaridis, I.; Lipson, M.; Mathieson, I.; Schiffels, S.; Skoglund, P.; Derevianko, A. P.; Drozdov, N.; Slavinsky, V.; Tsybankov, A.; Cremonesi, R. G.; Mallegni, F.; Gély, B.; Vacca, E.; González Morales, M. R.; et al. (2016). "The genetic history of Ice Age Europe". Nature. 534 (7606): 200–205. Bibcode:2016Natur.534..200F. doi:10.1038/nature17993. PMC 4943878. PMID 27135931.
  5. Tatiana M. Karafet, Fernando L. Mendez, Herawati Sudoyo, J. Stephen Lansing and Michael F. Hammer; 2015, "Improved phylogenetic resolution and rapid diversification of Y-chromosome haplogroup K-M526 in Southeast Asia", European Journal of Human Genetics, no. 23 (March), pp. 369–73.
  6. Karafet TM, Mendez FL, Meilerman MB, Underhill PA, Zegura SL, Hammer MF (2008). "New binary polymorphisms reshape and increase resolution of the human Y chromosomal haplogroup tree". Genome Research. 18 (5): 830–8. doi:10.1101/gr.7172008. PMC 2336805. PMID 18385274.
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