Range-wide genomic data synthesis reveals transatlantic vicariance and secondary contact in Atlantic cod.

ABSTRACT: Recent advances in genetic and genomic analysis have greatly improved our understanding of spatial population structure in marine species. However, studies addressing phylogeographic patterns at oceanic spatial scales remain rare. In Atlantic cod (Gadus morhua), existing range-wide examinations suggest significant transatlantic divergence, although the fine-scale contemporary distribution of populations and potential for secondary contact are largely unresolved. Here, we explore transatlantic phylogeography in Atlantic cod using a data-synthesis approach, integrating multiple genome-wide single-nucleotide polymorphism (SNP) datasets representative of different regions to create a single range-wide dataset containing 1,494 individuals from 54 locations and genotyped at 796 common loc

SUBMITTER: Fairweather R 

PROVIDER: S-EPMC6303715 | biostudies-literature | 2018 Dec

REPOSITORIES: biostudies-literature