Haplogroup P1 (Y-DNA)

Haplogroup P1
(also known as P-M45; K2b2a)
Possible time of origin~38,000 BCE
Possible place of originCentral Asia or Siberia [1][2][3]
AncestorP (P-P295)[4]
DescendantsQ (Q-M242) and
R (R-M207).
Defining mutationsM45/PF5962

Haplogroup P1, also known as P-M45 and K2b2a, is a Y-chromosome DNA haplogroup in human genetics. Defined by the SNPs M45 and PF5962, P1 is a primary branch (subclade) of P (P-P295; K2b2).

The only primary subclades of P1 are Haplogroup Q (Q-M242) and Haplogroup R (R-M207). These haplogroups now comprise most of the male lineages among Native Americans, Europeans, Central Asia and South Asia, among other parts of the world.

P1 (M45) likely originated in Central Asia or Siberia,[2][1] with basal P1* (P1xQ,R) now most common among individuals in Siberia and Central Asia.[5][3][1][6][2] A 2018 study found basal P1* in two Siberian individuals dated to the Upper Paleolithic (~31,630 cal BP) from a Yana river archaeological site known as Yana RHS.[7]

  1. ^ a b c Tumonggor, Karafet et al., 2014, "Isolation, contact and social behavior shaped genetic diversity in West Timor", Journal of Human Genetics Vol. 59, No. 9 (September), pp. 494–503.
  2. ^ a b c E. Heyer et al., 2013, "Genetic Diversity of Four Filipino Negrito Populations from Luzon: Comparison of Male and Female Effective Population Sizes and Differential Integration of Immigrants into Aeta and Agta Communities", Human Biology, Vol. 85, Iss. 1, p. 201.
  3. ^ a b Tatiana M Karafet; et al. (2015). "Improved phylogenetic resolution and rapid diversification of Y-chromosome haplogroup K-M526 in Southeast Asia". European Journal of Human Genetics. 23 (3): 369–373. doi:10.1038/ejhg.2014.106. PMC 4326703. PMID 24896152.
  4. ^ Gregory R Magoon; et al. (2013-11-22). "Generation of high-resolution a priori Y-chromosome phylogenies using "next-generation" sequencing data". bioRxiv 10.1101/000802.
  5. ^ Miroslava Derenko et al 2005, Contrasting patterns of Y-chromosome variation in South Siberian populations from Baikal and Altai-Sayan regions Archived 2022-03-30 at the Wayback Machine Zgms.cm.umk.pl
  6. ^ ISOGG (2016). "Y-DNA Haplogroup P". Retrieved 2016-12-11.
  7. ^ Sikora, Martin; Pitulko, Vladimir; Sousa, Vitor; Allentoft, Morten E.; Vinner, Lasse; Rasmussen, Simon; Margaryan, Ashot; Damgaard, Peter de Barros; Castro, Constanza de la Fuente (2018-10-22). "The population history of northeastern Siberia since the Pleistocene". bioRxiv: 448829. doi:10.1101/448829. hdl:1887/3198847.