Cited by 1,208High Altitude and HypoxiaForensic and Genetic ResearchPleistocene-Era Hominins and Archaeology

Altitude adaptation in Tibetans caused by introgression of Denisovan-like DNA

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Huerta-Sánchez, Emilia, Jin, Xin, Asan, Bianba, Zhuoma, Peter, Benjamin M., Vinckenbosch, Nicolas, Liang, Yu, Yi, Xin +19 more·2014·Nature

Abstract

As modern humans migrated out of Africa, they encountered many new environmental conditions, including greater temperature extremes, different pathogens and higher altitudes. These diverse environments are likely to have acted as agents of natural selection and to have led to local adaptations. One of the most celebrated examples in humans is the adaptation of Tibetans to the hypoxic environment of the high-altitude Tibetan plateau. A hypoxia pathway gene, EPAS1, was previously identified as having the most extreme signature of positive selection in Tibetans, and was shown to be associated with differences in haemoglobin concentration at high altitude. Re-sequencing the region around EPAS1 in 40 Tibetan and 40 Han individuals, we find that this gene has a highly unusual haplotype structure that can only be convincingly explained by introgression of DNA from Denisovan or Denisovan-related individuals into humans. Scanning a larger set of worldwide populations, we find that the selected haplotype is only found in Denisovans and in Tibetans, and at very low frequency among Han Chinese. Furthermore, the length of the haplotype, and the fact that it is not found in any other populations, makes it unlikely that the haplotype sharing between Tibetans and Denisovans was caused by incomplete ancestral lineage sorting rather than introgression. Our findings illustrate that admixture with other hominin species has provided genetic variation that helped humans to adapt to new environments.

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  • Archaic alleles have been associated with differences in hemoglobin levels at higher altitude in Tibetans, immune resistance to new pathogens, levels of skin pigmentation, and fat composition.

    “For example, archaic alleles have been associated with differences in hemoglobin levels at higher altitude in Tibetans, immune resistance to new pathogens, levels of skin pigmentation, and fat composition (Huerta-Sánchez et al. 2014; Racimo et al. 2015; Racimo, Gokhman, et al. 2017; Dannemann and Kelso 2017; Racimo, Marnetto, and Huerta-Sánchez 2017; McArthur et al. 2021).”

    From Archaic Introgression Shaped Human Circadian Traits (2023) · cites this paper as Huerta-Sánchez et al. 2014

    The opening section (page not supplied) links a Denisovan-like EPAS1 haplotype in Tibetans to differences in hemoglobin levels at high altitude. The Discussion (page not supplied) mentions earlier work on archaic introgression in immunity- and pigmentation-related genes, but does not establish resistance to new pathogens or pigmentation levels. The supplied passages do not address fat composition. (LLM, conf=0.86)

    Experimental — accuracy not yet measured
  • Some archaic alleles and haplotypes are adaptive and persist at high frequencies in human populations.

    “For instance, substantial evidence suggests that some archaic alleles and haplotypes are adaptive and persist at high frequencies in human populations [10, 13–19].”
  • There are exceptions to the general neutral or near-neutral pattern of archaic introgression, with examples of adaptive introgression related to the immune system, skin pigmentation, and altitude.

    “However, there are exceptions to this general pattern, with examples of adaptive introgression related to the immune system (54, 55), skin pigmentation (9), and altitude (56)”
  • The very unusual haplotype structure of the EPAS1 advantageous allele can now best be explained by introgression of DNA from Denisovans.

    “For example, the very unusual haplotype structure of the EPAS1 advantageous allele can now best be explained by introgression of DNA from Denisovans [41].”
  • Archaic admixture appears to have introduced a few beneficial alleles, such as EPAS1.

    “On the other hand, archaic admixture appears to have also introduced a few beneficial alleles, such as EPAS1.”

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Research works printed but not linked: 2

  1. [34]Coop G The role of geography in human adaptation PLoS Genetics 5 e1000500 2009 19503611 PMC2685456
  2. [45]Simonson ST Genetic evidence for high-altitude adaptation in Tibet Science 329 72 75 2010 20466884

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Authors
Huerta-Sánchez, E., Jin, X., Asan, Bianba, Z., Peter, B. M., Vinckenbosch, N., Liang, Y., Yi, X., He, M., Somel, M., Ni, P., Wang, B., Ou, X., Huasang, Luosang, J., Cuo, Z. X. P., Li, K., Gao, G., Yin, Y., Wang, W., Zhang, X., Xu, X., Yang, H., Li, Y., Wang, J., Wang, J., & Nielsen, R.
Affiliations
  • BGI Group (China) (CN)
  • Tibet Autonomous Region People's Hospital (CN)
  • University of California, Berkeley (US)
  • Middle East Technical University (TR)
  • Macau University of Science and Technology (MO)
Corresponding author
  • Wang, Jian
  • Wang, Jun
  • Nielsen, Rasmus
Venue
Nature
Published
2014-07-02
Volume
512
Issue
7513
Pages
194-197
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W1999623479
Cited by
1,208
References
42
Citations by year
2026: 88 · 2025: 86 · 2024: 168 · 2023: 102 · 2022: 88 · 2021: 144 · 2020: 96 · 2019: 86 · 2018: 95 · 2017: 83 · 2016: 89 · 2015: 62 · 2014: 21
FWCI
55.83
Type
journal article
Language
en
Open access
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • eScholarship (California Digital Library) (submittedVersion, cc-by-nc-nd)
  • Digital Commons - University of South Florida (University of South Florida) (submittedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
  • OpenMETU (Middle East Technical University) (submittedVersion, cc-by-nc-nd)
  • Research at the University of Copenhagen (University of Copenhagen) (submittedVersion)
  • MPG.PuRe (Max Planck Society) (submittedVersion)
Funders
  • National Institutes of Health
  • National Key Research and Development Program of China (2012CB518201, 2011CB809202, 2011CB809201)
  • National Human Genome Research Institute (R01HG003229)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › High Altitude and Hypoxia
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Forensic and Genetic Research
  • Social Sciences › Anthropology › Pleistocene-Era Hominins and Archaeology
Keywords
Denisovans, Denisovan introgression, EPAS1, high-altitude adaptation, Tibetan Plateau, hypoxia pathway, haplotype structure, admixture, positive selection, Han Chinese, natural selection, hypoxia tolerance, hemoglobin levels, Tibetans, resequencing, incomplete lineage sorting, Neanderthals
MeSH terms
Endothelial PAS Domain-Containing Protein 1, Adaptation, Physiological, Altitude, Animals, DNA, Gene Frequency, Haplotypes, Humans, Genetic Variation, Hominidae, Tibet, Polymorphism, Single Nucleotide, Asian People, Basic Helix-Loop-Helix Transcription Factors, Basic Helix-Loop-Helix Proteins

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