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Research article - Peer-reviewed, 2020

Ecological adaptation in Atlantic herring is associated with large shifts in allele frequencies at hundreds of loci

Han, Fan; Jamsandekar, Minal; Pettersson, Mats E.; Su, Leyi; Fuentes-Pardo, Angela P.; Davis, Brian W.; Bekkevold, Dorte; Berg, Florian; Casini, Michele; Dahle, Geir; Farrell, Edward D.; Folkvord, Arild; Andersson, Leif


Atlantic herring is widespread in North Atlantic and adjacent waters and is one of the most abundant vertebrates on earth. This species is well suited to explore genetic adaptation due to minute genetic differentiation at selectively neutral loci. Here, we report hundreds of loci underlying ecological adaptation to different geographic areas and spawning conditions. Four of these represent megabase inversions confirmed by long read sequencing. The genetic architecture underlying ecological adaptation in herring deviates from expectation under a classical infinitesimal model for complex traits because of large shifts in allele frequencies at hundreds of loci under selection.

Published in

2020, volume: 9, article number: e61076

Authors' information

Han, Fan
Uppsala University
Jamsandekar, Minal
Texas A&M University
Pettersson, Mats E.
Uppsala University
Su, Leyi
Uppsala University
Fuentes-Pardo, Angela P.
Uppsala University
Davis, Brian W.
Texas A&M University
Bekkevold, Dorte
Technical University of Denmark (DTU)
Berg, Florian
University of Bergen
Swedish University of Agricultural Sciences, Department of Aquatic Resources
University of Bologna
Dahle, Geir
Institute of Marine Research (IMR)
Farrell, Edward D.
University College Dublin
Folkvord, Arild
University of Bergen
Andersson, Leif
Texas A&M University
Andersson, Leif
Uppsala University
Andersson, Leif
Swedish University of Agricultural Sciences, Department of Animal Breeding and Genetics

Associated SLU-program

Coastal and sea areas

UKÄ Subject classification

Agricultural Science
Evolutionary Biology

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