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

Research output: Contribution to journalArticle

108 Citations (Scopus)

Abstract

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 populations. Selection also targets other toxicity-mediating genes and genes of connected signaling pathways; this indicates complex tolerance phenotypes and potentially compensatory adaptations. Molecular changes are consistent with selection on standing genetic variation. In killifish, high nucleotide diversity has likely been a crucial substrate for selective sweeps to propel rapid adaptation.

Original languageEnglish (US)
Pages (from-to)1305-1308
Number of pages4
JournalScience
Volume354
Issue number6317
DOIs
StatePublished - Dec 9 2016

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Fundulidae
Poisons
Fishes
Aryl Hydrocarbon Receptors
Estuaries
Vulnerable Populations
Complex Mixtures
Population
Genes
Nucleotides
Genome
Phenotype

ASJC Scopus subject areas

  • Medicine(all)
  • General

Cite this

Reid, N. M., Proestou, D. A., Clark, B. W., Warren, W. C., Colbourne, J. K., Shaw, J. R., ... Whitehead, A. (2016). The genomic landscape of rapid repeated evolutionary adaptation to toxic pollution in wild fish. Science, 354(6317), 1305-1308. https://doi.org/10.1126/science.aah4993

The genomic landscape of rapid repeated evolutionary adaptation to toxic pollution in wild fish. / Reid, Noah M.; Proestou, Dina A.; Clark, Bryan W.; Warren, Wesley C.; Colbourne, John K.; Shaw, Joseph R.; Karchner, Sibel I.; Hahn, Mark E.; Nacci, Diane; Oleksiak, Marjorie F; Crawford, Douglas L; Whitehead, Andrew.

In: Science, Vol. 354, No. 6317, 09.12.2016, p. 1305-1308.

Research output: Contribution to journalArticle

Reid, NM, Proestou, DA, Clark, BW, Warren, WC, Colbourne, JK, Shaw, JR, Karchner, SI, Hahn, ME, Nacci, D, Oleksiak, MF, Crawford, DL & Whitehead, A 2016, 'The genomic landscape of rapid repeated evolutionary adaptation to toxic pollution in wild fish', Science, vol. 354, no. 6317, pp. 1305-1308. https://doi.org/10.1126/science.aah4993
Reid NM, Proestou DA, Clark BW, Warren WC, Colbourne JK, Shaw JR et al. The genomic landscape of rapid repeated evolutionary adaptation to toxic pollution in wild fish. Science. 2016 Dec 9;354(6317):1305-1308. https://doi.org/10.1126/science.aah4993
Reid, Noah M. ; Proestou, Dina A. ; Clark, Bryan W. ; Warren, Wesley C. ; Colbourne, John K. ; Shaw, Joseph R. ; Karchner, Sibel I. ; Hahn, Mark E. ; Nacci, Diane ; Oleksiak, Marjorie F ; Crawford, Douglas L ; Whitehead, Andrew. / The genomic landscape of rapid repeated evolutionary adaptation to toxic pollution in wild fish. In: Science. 2016 ; Vol. 354, No. 6317. pp. 1305-1308.
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