Figure 1: Oceanian study population. | Nature Communications

Figure 1: Oceanian study population.

From: Association between a common immunoglobulin heavy chain allele and rheumatic heart disease risk in Oceania

Figure 1

(a) Approximate location where genotyped cases (red) and controls (black) were sampled. (b) Projection of the samples on to the first and second (left) and first and third (right) principal components (PCs) of genetic variation coloured by self-reported ancestry (MEL, Melanesians; POL, Polynesian; IND, Fijian Indian; MIX, Mixed and other) with cases indicated by empty squares and controls by empty diamonds. Selected samples from the Human Genome Diversity Project Panel (NGH, Papuan; EAS, South East Asian; EUR, European; CSA, Central South Asian) are superimposed for comparison and indicated by filled circles. (c) Estimates of admixture proportions from four source populations grouped by self-reported ancestry, with selected samples of Papuan and European ancestry shown at the far left and right, respectively, for comparison.

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