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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