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The African Genome Variation Project shapes medical genetics in Africa

Open access
Gurdasani, Deepti, Carstensen, Tommy, Tekola-Ayele, Fasil, Pagani, Luca, Tachmazidou, Ioanna, Hatzikotoulas, Konstantinos, Karthikeyan, Savita, Iles, Louise, Pollard, Martin O., Choudhury, Ananyo, Ritchie, Graham R. S., Xue, Yali, Asimit, Jennifer, Nsubuga, Rebecca N., Young, Elizabeth H., Pomilla, Cristina, Kivinen, Katja, Rockett, Kirk, Kamali, Anatoli, Doumatey, Ayo P., Asiki, Gershim, Seeley, Janet, Sisay-Joof, Fatoumatta, Jallow, Muminatou, Tollman, Stephen, Mekonnen, Ephrem, Ekong, Rosemary, Oljira, Tamiru, Bradman, Neil, Bojang, Kalifa, Ramsay, Michele, Adeyemo, Adebowale, Bekele, Endashaw, Motala, Ayesha, Norris, Shane A., Pirie, Fraser, Kaleebu, Pontiano, Kwiatkowski, Dominic, Tyler-Smith, Chris, Rotimi, Charles, Zeggini, Eleftheria, Sandhu, Manjinder S.·2015·Nature

Abstract

Given the importance of Africa to studies of human origins and disease susceptibility, detailed characterization of African genetic diversity is needed. The African Genome Variation Project provides a resource with which to design, implement and interpret genomic studies in sub-Saharan Africa and worldwide. The African Genome Variation Project represents dense genotypes from 1,481 individuals and whole-genome sequences from 320 individuals across sub-Saharan Africa. Using this resource, we find novel evidence of complex, regionally distinct hunter-gatherer and Eurasian admixture across sub-Saharan Africa. We identify new loci under selection, including loci related to malaria susceptibility and hypertension. We show that modern imputation panels (sets of reference genotypes from which unobserved or missing genotypes in study sets can be inferred) can identify association signals at highly differentiated loci across populations in sub-Saharan Africa. Using whole-genome sequencing, we demonstrate further improvements in imputation accuracy, strengthening the case for large-scale sequencing efforts of diverse African haplotypes. Finally, we present an efficient genotype array design capturing common genetic variation in Africa. The African Genome Variation Project contains the whole-genome sequences of 320 individuals and dense genotypes on 1,481 individuals from sub-Saharan Africa; it enables the design and interpretation of genomic studies, with implications for finding disease loci and clues to human origins. The African Genome Variation Project (AGVP) is collecting data on the structure of African genomes to provide a central resource for genetic disease studies in Africa. It currently represents dense genotypes from 1,481 individuals and whole-genome sequences from 320 individuals across sub-Saharan Africa. Using these data, Manjinder Sandhu and colleagues identify new loci under selection, including those associated with malaria and hypertension. They show that modern imputation panels can identify association signals at highly differentiated loci across population groups. They demonstrate the utility of whole-genome sequences in further improving the imputation accuracy. In addition, they describe the first efficient genotype array design capturing common genetic variation in Africa.

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Metadata

Authors
Gurdasani, D., Carstensen, T., Tekola-Ayele, F., Pagani, L., Tachmazidou, I., Hatzikotoulas, K., Karthikeyan, S., Iles, L., Pollard, M. O., Choudhury, A., Ritchie, G. R. S., Xue, Y., Asimit, J., Nsubuga, R. N., Young, E. H., Pomilla, C., Kivinen, K., Rockett, K., Kamali, A., Doumatey, A. P., Asiki, G., Seeley, J., Sisay-Joof, F., Jallow, M., Tollman, S., Mekonnen, E., Ekong, R., Oljira, T., Bradman, N., Bojang, K., Ramsay, M., Adeyemo, A., Bekele, E., Motala, A., Norris, S. A., Pirie, F., Kaleebu, P., Kwiatkowski, D., Tyler-Smith, C., Rotimi, C., Zeggini, E., & Sandhu, M. S.
Venue
Nature
Published
2014-12-03
Volume
517
Issue
7534
Pages
327-332
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2051317473
Cited by
636
References
14
FWCI
30.31
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: The African Genome Variation Project shapes medical genetics in Africa. https://app.cochat.ai/papers/10.1038/nature13997
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Gurdasani, D., Carstensen, T., Tekola-Ayele, F., Pagani, L., Tachmazidou, I., Hatzikotoulas, K., Karthikeyan, S., Iles, L., Pollard, M. O., Choudhury, A., Ritchie, G. R. S., Xue, Y., Asimit, J., Nsubuga, R. N., Young, E. H., Pomilla, C., Kivinen, K., Rockett, K., Kamali, A., . . . Sandhu, M. S. (2015). The African Genome Variation Project shapes medical genetics in Africa. Nature. https://doi.org/10.1038/nature13997

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