Data from: The genomic landscape of rapid repeated evolutionary adaptation to toxic pollution in wild fish

Noah M. Reid, Dina A. Proestou, Bryan W. Clark, Wesley C. Warren, John K. Colbourne, Joseph R. Shaw, Sibel I. Karchner, Mark E. Hahn, Diane Nacci, Marjorie F. Oleksiak, Douglas L. Crawford & Andrew Whitehead
Atlantic killifish populations have rapidly adapted to normally lethal levels of pollution in four urban estuaries. Through analysis of 384 whole killifish genome sequences and comparative transcriptomics in four pairs of sensitive and tolerant populations, we identify the aryl hydrocarbon receptor–based signaling pathway as a shared target of selection. This suggests evolutionary constraint on adaptive solutions to complex toxicant mixtures at each site. However, distinct molecular variants apparently contribute to adaptive pathway modification among tolerant...
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