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

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

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

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Abstract

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.
Original languageEnglish
Article numbere61076
JournaleLife
Volume9
Number of pages20
ISSN2050-084X
DOIs
Publication statusPublished - 2020

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