Genomic architecture of parallel ecological divergence: Beyond a single environmental contrast

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Genomic architecture of parallel ecological divergence: Beyond a single environmental contrast. / Morales, Hernán E.; Faria, Rui; Johannesson, Kerstin; Larsson, Tomas; Panova, Marina; Westram, Anja M.; Butlin, Roger K.

In: Science Advances, 2019.

Research output: Contribution to journalJournal articleResearchpeer-review

Harvard

Morales, HE, Faria, R, Johannesson, K, Larsson, T, Panova, M, Westram, AM & Butlin, RK 2019, 'Genomic architecture of parallel ecological divergence: Beyond a single environmental contrast', Science Advances. https://doi.org/10.1126/sciadv.aav9963

APA

Morales, H. E., Faria, R., Johannesson, K., Larsson, T., Panova, M., Westram, A. M., & Butlin, R. K. (2019). Genomic architecture of parallel ecological divergence: Beyond a single environmental contrast. Science Advances. https://doi.org/10.1126/sciadv.aav9963

Vancouver

Morales HE, Faria R, Johannesson K, Larsson T, Panova M, Westram AM et al. Genomic architecture of parallel ecological divergence: Beyond a single environmental contrast. Science Advances. 2019. https://doi.org/10.1126/sciadv.aav9963

Author

Morales, Hernán E. ; Faria, Rui ; Johannesson, Kerstin ; Larsson, Tomas ; Panova, Marina ; Westram, Anja M. ; Butlin, Roger K. / Genomic architecture of parallel ecological divergence: Beyond a single environmental contrast. In: Science Advances. 2019.

Bibtex

@article{5e3146b726c34159a4f508e1635cbad9,
title = "Genomic architecture of parallel ecological divergence: Beyond a single environmental contrast",
abstract = "The study of parallel ecological divergence provides important clues to the operation of natural selection. Parallel divergence often occurs in heterogeneous environments with different kinds of environmental gradients in different locations, but the genomic basis underlying this process is unknown. We investigated the genomics of rapid parallel adaptation in the marine snail Littorina saxatilis in response to two independent environmental axes (crab-predation versus wave-action and low-shore versus high-shore). Using pooled whole-genome resequencing, we show that sharing of genomic regions of high differentiation between environments is generally low but increases at smaller spatial scales. We identify different shared genomic regions of divergence for each environmental axis and show that most of these regions overlap with candidate chromosomal inversions. Several inversion regions are divergent and polymorphic across many localities. We argue that chromosomal inversions could store shared variation that fuels rapid parallel adaptation to heterogeneous environments, possibly as balanced polymorphism shared by adaptive gene flow.",
author = "Morales, {Hern{\'a}n E.} and Rui Faria and Kerstin Johannesson and Tomas Larsson and Marina Panova and Westram, {Anja M.} and Butlin, {Roger K.}",
year = "2019",
doi = "10.1126/sciadv.aav9963",
language = "Udefineret/Ukendt",
journal = "Science Advances",
issn = "2375-2548",
publisher = "American Association for the Advancement of Science",

}

RIS

TY - JOUR

T1 - Genomic architecture of parallel ecological divergence: Beyond a single environmental contrast

AU - Morales, Hernán E.

AU - Faria, Rui

AU - Johannesson, Kerstin

AU - Larsson, Tomas

AU - Panova, Marina

AU - Westram, Anja M.

AU - Butlin, Roger K.

PY - 2019

Y1 - 2019

N2 - The study of parallel ecological divergence provides important clues to the operation of natural selection. Parallel divergence often occurs in heterogeneous environments with different kinds of environmental gradients in different locations, but the genomic basis underlying this process is unknown. We investigated the genomics of rapid parallel adaptation in the marine snail Littorina saxatilis in response to two independent environmental axes (crab-predation versus wave-action and low-shore versus high-shore). Using pooled whole-genome resequencing, we show that sharing of genomic regions of high differentiation between environments is generally low but increases at smaller spatial scales. We identify different shared genomic regions of divergence for each environmental axis and show that most of these regions overlap with candidate chromosomal inversions. Several inversion regions are divergent and polymorphic across many localities. We argue that chromosomal inversions could store shared variation that fuels rapid parallel adaptation to heterogeneous environments, possibly as balanced polymorphism shared by adaptive gene flow.

AB - The study of parallel ecological divergence provides important clues to the operation of natural selection. Parallel divergence often occurs in heterogeneous environments with different kinds of environmental gradients in different locations, but the genomic basis underlying this process is unknown. We investigated the genomics of rapid parallel adaptation in the marine snail Littorina saxatilis in response to two independent environmental axes (crab-predation versus wave-action and low-shore versus high-shore). Using pooled whole-genome resequencing, we show that sharing of genomic regions of high differentiation between environments is generally low but increases at smaller spatial scales. We identify different shared genomic regions of divergence for each environmental axis and show that most of these regions overlap with candidate chromosomal inversions. Several inversion regions are divergent and polymorphic across many localities. We argue that chromosomal inversions could store shared variation that fuels rapid parallel adaptation to heterogeneous environments, possibly as balanced polymorphism shared by adaptive gene flow.

U2 - 10.1126/sciadv.aav9963

DO - 10.1126/sciadv.aav9963

M3 - Tidsskriftartikel

C2 - 31840052

JO - Science Advances

JF - Science Advances

SN - 2375-2548

ER -

ID: 246093796