Article
Resolving sampling and population-size biases in domestication genomics supports a South Asian origin of walnuts.
Genome biology - 30 Jan 2026
Chen Cai-Jin, Pang Xiao-Xu, Ding Ya-Mei, Zhang Wei-Ping, Yang Yang, Liu Jie, Nersesyan Anush, Zhang Bo-Wen, Renner Susanne S, Zhang Da-Yong, Bai Wei-Ning
Abstract excerpt
BACKGROUND: The inference of population structure in domestication studies is prone to biases whenever sampling is unbalanced and effective population sizes (Ne) differ across populations. Such biases can lead to the misclassification of large ancestral populations as admixed, particularly under single-origin domestication scenarios. RESULTS: We propose a novel parameterization strategy for the STRUCTURE...
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