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Against the Odds: Hybrid Zones between Mangrove Killifish Species with Different Mating Systems

Waldir Miron Berbel Filho, Andrey Tatarenkov, George Pacheco, Helder M. V. Espírito-Santo, Mateus G. Lira, Carlos Garcia De Leaniz Orcid Logo, John C. Avise, Sergio M. Q. Lima, Carlos Rodriquez Lopez, Sofia Consuegra del Olmo Orcid Logo

Genes, Volume: 12, Issue: 10, Start page: 1486

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): 10.3390/genes12101486

Abstract

Different mating systems are expected to affect the extent and direction of hybridization. Due to the different levels of sexual conflict, the weak inbreeder/strong outbreeder (WISO) hypothesis predicts that gametes from self-incompatible (SI) species should outcompete gametes from self-compatible (...

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Published in: Genes
ISSN: 2073-4425
Published: MDPI AG 2021
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URI: https://cronfa.swan.ac.uk/Record/cronfa58579
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Due to the different levels of sexual conflict, the weak inbreeder/strong outbreeder (WISO) hypothesis predicts that gametes from self-incompatible (SI) species should outcompete gametes from self-compatible (SC) ones. However, other factors such as timing of selfing and unilateral incompatibilities may also play a role on the direction of hybridization. In addition, differential mating opportunities provided by different mating systems are also expected to affect the direction of introgression in hybrid zones involving outcrossers and selfers. Here, we explored these hypotheses with a unique case of recent hybridization between two mangrove killifish species with different mating systems, (obligately outcrossing) and (predominantly self-fertilizing) in two hybrid zones in southeast Brazil. Hybridization rates were relatively high (~20%), representing the first example of natural hybridization between species with different mating systems in vertebrates. All F1 individuals were sired by the selfing species. Backcrossing was small, but mostly asymmetrical with the SI parental species, suggesting pattern commonly observed in plant hybrid zones with different mating systems. Our findings shed light on how contrasting mating systems may affect the direction and extent of gene flow between sympatric species, ultimately affecting the evolution and maintenance of hybrid zones.</abstract><type>Journal Article</type><journal>Genes</journal><volume>12</volume><journalNumber>10</journalNumber><paginationStart>1486</paginationStart><paginationEnd/><publisher>MDPI AG</publisher><placeOfPublication/><isbnPrint/><isbnElectronic/><issnPrint/><issnElectronic>2073-4425</issnElectronic><keywords>reproductive isolation, mixed mating, Kryptolebias, self-fertilization, asymmetric introgression</keywords><publishedDay>24</publishedDay><publishedMonth>9</publishedMonth><publishedYear>2021</publishedYear><publishedDate>2021-09-24</publishedDate><doi>10.3390/genes12101486</doi><url/><notes/><college>COLLEGE NANME</college><department>Biosciences</department><CollegeCode>COLLEGE CODE</CollegeCode><DepartmentCode>SBI</DepartmentCode><institution>Swansea University</institution><apcterm/><funders>Fisheries Society of the British Isles Grant: Small grant research Conselho Nacional de Desenvolvimento Cient&#xED;fico e Tecnol&#xF3;gico Grant: 233161/2014-7 National Geographic Society Grant: W461-16</funders><projectreference/><lastEdited>2022-10-10T11:26:29.0309579</lastEdited><Created>2021-11-08T13:59:20.0705953</Created><path><level id="1">Faculty of Science and Engineering</level><level id="2">School of Biosciences, Geography and Physics - Biosciences</level></path><authors><author><firstname>Waldir</firstname><surname>Miron Berbel Filho</surname><order>1</order></author><author><firstname>Andrey</firstname><surname>Tatarenkov</surname><order>2</order></author><author><firstname>George</firstname><surname>Pacheco</surname><order>3</order></author><author><firstname>Helder M. 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Q.</firstname><surname>Lima</surname><order>8</order></author><author><firstname>Carlos</firstname><surname>Rodriquez Lopez</surname><order>9</order></author><author><firstname>Sofia</firstname><surname>Consuegra del Olmo</surname><orcid>0000-0003-4403-2509</orcid><order>10</order></author></authors><documents><document><filename>58579__21449__e3ea0804ff9841bcbfa629c35a057d29.pdf</filename><originalFilename>58579.pdf</originalFilename><uploaded>2021-11-08T14:02:24.0832055</uploaded><type>Output</type><contentLength>4075600</contentLength><contentType>application/pdf</contentType><version>Version of Record</version><cronfaStatus>true</cronfaStatus><documentNotes>This is an open access article distributed under the Creative Commons Attribution License</documentNotes><copyrightCorrect>true</copyrightCorrect><language>eng</language><licence>https://creativecommons.org/licenses/by/4.0/</licence></document></documents><OutputDurs/></rfc1807>
spelling 2022-10-10T11:26:29.0309579 v2 58579 2021-11-08 Against the Odds: Hybrid Zones between Mangrove Killifish 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 2021-11-08 SBI Different mating systems are expected to affect the extent and direction of hybridization. Due to the different levels of sexual conflict, the weak inbreeder/strong outbreeder (WISO) hypothesis predicts that gametes from self-incompatible (SI) species should outcompete gametes from self-compatible (SC) ones. However, other factors such as timing of selfing and unilateral incompatibilities may also play a role on the direction of hybridization. In addition, differential mating opportunities provided by different mating systems are also expected to affect the direction of introgression in hybrid zones involving outcrossers and selfers. Here, we explored these hypotheses with a unique case of recent hybridization between two mangrove killifish species with different mating systems, (obligately outcrossing) and (predominantly self-fertilizing) in two hybrid zones in southeast Brazil. Hybridization rates were relatively high (~20%), representing the first example of natural hybridization between species with different mating systems in vertebrates. All F1 individuals were sired by the selfing species. Backcrossing was small, but mostly asymmetrical with the SI parental species, suggesting pattern commonly observed in plant hybrid zones with different mating systems. Our findings shed light on how contrasting mating systems may affect the direction and extent of gene flow between sympatric species, ultimately affecting the evolution and maintenance of hybrid zones. Journal Article Genes 12 10 1486 MDPI AG 2073-4425 reproductive isolation, mixed mating, Kryptolebias, self-fertilization, asymmetric introgression 24 9 2021 2021-09-24 10.3390/genes12101486 COLLEGE NANME Biosciences COLLEGE CODE SBI Swansea University Fisheries Society of the British Isles Grant: Small grant research Conselho Nacional de Desenvolvimento Científico e Tecnológico Grant: 233161/2014-7 National Geographic Society Grant: W461-16 2022-10-10T11:26:29.0309579 2021-11-08T13:59:20.0705953 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences Waldir Miron Berbel Filho 1 Andrey Tatarenkov 2 George Pacheco 3 Helder M. V. Espírito-Santo 4 Mateus G. Lira 5 Carlos Garcia De Leaniz 0000-0003-1650-2729 6 John C. Avise 7 Sergio M. Q. Lima 8 Carlos Rodriquez Lopez 9 Sofia Consuegra del Olmo 0000-0003-4403-2509 10 58579__21449__e3ea0804ff9841bcbfa629c35a057d29.pdf 58579.pdf 2021-11-08T14:02:24.0832055 Output 4075600 application/pdf Version of Record true This is an open access article distributed under the Creative Commons Attribution License true eng https://creativecommons.org/licenses/by/4.0/
title Against the Odds: Hybrid Zones between Mangrove Killifish Species with Different Mating Systems
spellingShingle Against the Odds: Hybrid Zones between Mangrove Killifish Species with Different Mating Systems
Waldir Miron Berbel Filho
Carlos Garcia De Leaniz
Carlos Rodriquez Lopez
Sofia Consuegra del Olmo
title_short Against the Odds: Hybrid Zones between Mangrove Killifish Species with Different Mating Systems
title_full Against the Odds: Hybrid Zones between Mangrove Killifish Species with Different Mating Systems
title_fullStr Against the Odds: Hybrid Zones between Mangrove Killifish Species with Different Mating Systems
title_full_unstemmed Against the Odds: Hybrid Zones between Mangrove Killifish Species with Different Mating Systems
title_sort Against the Odds: Hybrid Zones between Mangrove Killifish 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
Andrey Tatarenkov
George Pacheco
Helder M. V. Espírito-Santo
Mateus G. Lira
Carlos Garcia De Leaniz
John C. Avise
Sergio M. Q. Lima
Carlos Rodriquez Lopez
Sofia Consuegra del Olmo
format Journal article
container_title Genes
container_volume 12
container_issue 10
container_start_page 1486
publishDate 2021
institution Swansea University
issn 2073-4425
doi_str_mv 10.3390/genes12101486
publisher MDPI AG
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 Different mating systems are expected to affect the extent and direction of hybridization. Due to the different levels of sexual conflict, the weak inbreeder/strong outbreeder (WISO) hypothesis predicts that gametes from self-incompatible (SI) species should outcompete gametes from self-compatible (SC) ones. However, other factors such as timing of selfing and unilateral incompatibilities may also play a role on the direction of hybridization. In addition, differential mating opportunities provided by different mating systems are also expected to affect the direction of introgression in hybrid zones involving outcrossers and selfers. Here, we explored these hypotheses with a unique case of recent hybridization between two mangrove killifish species with different mating systems, (obligately outcrossing) and (predominantly self-fertilizing) in two hybrid zones in southeast Brazil. Hybridization rates were relatively high (~20%), representing the first example of natural hybridization between species with different mating systems in vertebrates. All F1 individuals were sired by the selfing species. Backcrossing was small, but mostly asymmetrical with the SI parental species, suggesting pattern commonly observed in plant hybrid zones with different mating systems. Our findings shed light on how contrasting mating systems may affect the direction and extent of gene flow between sympatric species, ultimately affecting the evolution and maintenance of hybrid zones.
published_date 2021-09-24T04:15:13Z
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score 11.016235

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