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Additive and non-additive epigenetic signatures of natural hybridization between fish species with different mating systems

Waldir Miron Berbel Filho, George Pacheco Orcid Logo, Mateus G. Lira Orcid Logo, Carlos Garcia De Leaniz Orcid Logo, Sergio M. Q. Lima Orcid Logo, Carlos Rodriquez Lopez, Jia Zhou, Sofia Consuegra del Olmo Orcid Logo

Epigenetics, Volume: 17, Issue: 13, Pages: 1 - 10

Swansea University Authors: Waldir Miron Berbel Filho, Carlos Garcia De Leaniz Orcid Logo, Carlos Rodriquez Lopez, Sofia Consuegra del Olmo Orcid Logo

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DOI (Published version): 10.1080/15592294.2022.2123014

Abstract

Hybridisation is a major source of evolutionary innovation. In plants, epigenetic mechanisms can help to stabilize hybrid genomes and contribute to reproductive isolation, but the relationship between genetic and epigenetic changes in animal hybrids is unclear. We analysed the relationship between g...

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Published in: Epigenetics
ISSN: 1559-2294 1559-2308
Published: Informa UK Limited 2022
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URI: https://cronfa.swan.ac.uk/Record/cronfa56110
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In plants, epigenetic mechanisms can help to stabilize hybrid genomes and contribute to reproductive isolation, but the relationship between genetic and epigenetic changes in animal hybrids is unclear. We analysed the relationship between genetic background and methylation patterns in natural hybrids of two genetically divergent fish species with different mating systems, Kryptolebias hermaphroditus (self-fertilising) and K. ocellatus (outcrossing). Co-existing parental species displayed highly distinct genetic (SNPs) and methylation patterns (37,000 differentially methylated cytosines). Hybrids had predominantly intermediate methylation patterns (88.5% of the sites) suggesting additive effects, as expected from hybridisation between genetically distant species. The large number of differentially methylated cytosines between hybrids and parental species (n = 5,800) suggests that hybridisation may play a role in increasing genetic and epigenetic variation. 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spelling 2023-01-05T13:17:01.2297079 v2 56110 2021-01-24 Additive and non-additive epigenetic signatures of natural hybridization between fish species with different mating systems ba9fab51b9ebe7f057e5585f101fdc62 Waldir Miron Berbel Filho Waldir Miron Berbel Filho true false 1c70acd0fd64edb0856b7cf34393ab02 0000-0003-1650-2729 Carlos Garcia De Leaniz Carlos Garcia De Leaniz true false 11755c38a43e2bf8a6691bbb7d05c942 Carlos Rodriquez Lopez Carlos Rodriquez Lopez true false 241f2810ab8f56be53ca8af23e384c6e 0000-0003-4403-2509 Sofia Consuegra del Olmo Sofia Consuegra del Olmo true false 2021-01-24 SBI Hybridisation is a major source of evolutionary innovation. In plants, epigenetic mechanisms can help to stabilize hybrid genomes and contribute to reproductive isolation, but the relationship between genetic and epigenetic changes in animal hybrids is unclear. We analysed the relationship between genetic background and methylation patterns in natural hybrids of two genetically divergent fish species with different mating systems, Kryptolebias hermaphroditus (self-fertilising) and K. ocellatus (outcrossing). Co-existing parental species displayed highly distinct genetic (SNPs) and methylation patterns (37,000 differentially methylated cytosines). Hybrids had predominantly intermediate methylation patterns (88.5% of the sites) suggesting additive effects, as expected from hybridisation between genetically distant species. The large number of differentially methylated cytosines between hybrids and parental species (n = 5,800) suggests that hybridisation may play a role in increasing genetic and epigenetic variation. Although most of the observed epigenetic variation was additive and had a strong genetic component, we also found a small percentage of non-additive, potentially stochastic, methylation differences which might act as an evolutionary bet-hedging strategy and increase fitness under environmental instability. Journal Article Epigenetics 17 13 1 10 Informa UK Limited 1559-2294 1559-2308 DNA methylation; selffertilization; outcrossing; epigenetic diversity; mangrove killifish 15 9 2022 2022-09-15 10.1080/15592294.2022.2123014 COLLEGE NANME Biosciences COLLEGE CODE SBI Swansea University SU Library paid the OA fee (TA Institutional Deal) This work was supported by the CNPQ [233161/2014-7]; National Geographic Society [W461-16]. 2023-01-05T13:17:01.2297079 2021-01-24T11:43:11.1154243 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences Waldir Miron Berbel Filho 1 George Pacheco 0000-0002-9367-6813 2 Mateus G. Lira 0000-0001-8588-552x 3 Carlos Garcia De Leaniz 0000-0003-1650-2729 4 Sergio M. Q. Lima 0000-0001-9365-4879 5 Carlos Rodriquez Lopez 6 Jia Zhou 7 Sofia Consuegra del Olmo 0000-0003-4403-2509 8 56110__25352__21c813660928496b836c690698109f35.pdf 56110.VOR.pdf 2022-10-07T11:45:16.7610291 Output 1634177 application/pdf Version of Record true This is an Open Access article distributed under the terms of the Creative Commons Attribution License true eng http://creativecommons.org/licenses/by/4.0/
title Additive and non-additive epigenetic signatures of natural hybridization between fish species with different mating systems
spellingShingle Additive and non-additive epigenetic signatures of natural hybridization between fish species with different mating systems
Waldir Miron Berbel Filho
Carlos Garcia De Leaniz
Carlos Rodriquez Lopez
Sofia Consuegra del Olmo
title_short Additive and non-additive epigenetic signatures of natural hybridization between fish species with different mating systems
title_full Additive and non-additive epigenetic signatures of natural hybridization between fish species with different mating systems
title_fullStr Additive and non-additive epigenetic signatures of natural hybridization between fish species with different mating systems
title_full_unstemmed Additive and non-additive epigenetic signatures of natural hybridization between fish species with different mating systems
title_sort Additive and non-additive epigenetic signatures of natural hybridization between fish species with different mating systems
author_id_str_mv ba9fab51b9ebe7f057e5585f101fdc62
1c70acd0fd64edb0856b7cf34393ab02
11755c38a43e2bf8a6691bbb7d05c942
241f2810ab8f56be53ca8af23e384c6e
author_id_fullname_str_mv ba9fab51b9ebe7f057e5585f101fdc62_***_Waldir Miron Berbel Filho
1c70acd0fd64edb0856b7cf34393ab02_***_Carlos Garcia De Leaniz
11755c38a43e2bf8a6691bbb7d05c942_***_Carlos Rodriquez Lopez
241f2810ab8f56be53ca8af23e384c6e_***_Sofia Consuegra del Olmo
author Waldir Miron Berbel Filho
Carlos Garcia De Leaniz
Carlos Rodriquez Lopez
Sofia Consuegra del Olmo
author2 Waldir Miron Berbel Filho
George Pacheco
Mateus G. Lira
Carlos Garcia De Leaniz
Sergio M. Q. Lima
Carlos Rodriquez Lopez
Jia Zhou
Sofia Consuegra del Olmo
format Journal article
container_title Epigenetics
container_volume 17
container_issue 13
container_start_page 1
publishDate 2022
institution Swansea University
issn 1559-2294
1559-2308
doi_str_mv 10.1080/15592294.2022.2123014
publisher Informa UK Limited
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Biosciences{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Biosciences
document_store_str 1
active_str 0
description Hybridisation is a major source of evolutionary innovation. In plants, epigenetic mechanisms can help to stabilize hybrid genomes and contribute to reproductive isolation, but the relationship between genetic and epigenetic changes in animal hybrids is unclear. We analysed the relationship between genetic background and methylation patterns in natural hybrids of two genetically divergent fish species with different mating systems, Kryptolebias hermaphroditus (self-fertilising) and K. ocellatus (outcrossing). Co-existing parental species displayed highly distinct genetic (SNPs) and methylation patterns (37,000 differentially methylated cytosines). Hybrids had predominantly intermediate methylation patterns (88.5% of the sites) suggesting additive effects, as expected from hybridisation between genetically distant species. The large number of differentially methylated cytosines between hybrids and parental species (n = 5,800) suggests that hybridisation may play a role in increasing genetic and epigenetic variation. Although most of the observed epigenetic variation was additive and had a strong genetic component, we also found a small percentage of non-additive, potentially stochastic, methylation differences which might act as an evolutionary bet-hedging strategy and increase fitness under environmental instability.
published_date 2022-09-15T04:10:49Z
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score 11.016235

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