Scabies mite genomes reveal genetic differences linked to host origin - EurekAlert!
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image: Population structure of Sarcoptes scabiei inferred from genome-wide nuclear single-nucleotide polymorphism (SNP) data. (A) ADMIXTURE analysis showing estimated ancestry proportions for 83 quality-filtered sample-level datasets from diverse host species, assigned to seven ancestry clusters (K1–K7). (B) Principal component analysis (PCA) of genome-wide SNP data. Each point represents one sample-level dataset and is coloured according to its ADMIXTURE cluster assignment. (C) Phylogenetic relationships inferred from high-quality, linkage-pruned nuclear SNPs. Each bar in panel A represents one dataset derived from an individual mite or a pool of mites. Colours indicate estimated ancestry proportions, not transmission routes.
Credit: Fang Fang, Pasi K. Korhonen, Siyi Huang, Barbara Moroni, Luca Rossi, Anna R. Molinar Min, Zhijun Hou, Vito Colella, Qingyou Liu, Jacques Guillot, Robin B. Gasser.
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