Additive Traits Lead to Feeding Advantage and Reproductive Isolation, Promoting Homoploid Hybrid Speciation
15 pages, 7 figures, 2 tables, supplementary material Speciation through homoploid hybridization (HHS) is considered extremely rare in animals. This is mainly because the establishment of reproductive isolation as a product of hybridization is uncommon. Additionally, many traits are underpinned by p...
Published in: | Molecular Biology and Evolution |
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Society for Molecular Biology and Evolution
2019
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Online Access: | http://hdl.handle.net/10261/194930 https://doi.org/10.1093/molbev/msz090 https://doi.org/10.13039/501100001659 https://doi.org/10.13039/501100011001 https://doi.org/10.13039/501100004796 https://doi.org/10.13039/501100004630 https://doi.org/10.13039/501100000270 |
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ftcsic:oai:digital.csic.es:10261/194930 2024-02-11T09:57:00+01:00 Additive Traits Lead to Feeding Advantage and Reproductive Isolation, Promoting Homoploid Hybrid Speciation Masello, Juan F. Quillfeldt, Petra Sandoval-Castellanos, Edson Alderman, Rachael Calderón, Luciano Cherel, Yves Cole, Theresa L. Cuthbert, Richard Marin, Manuel Massaro, Melanie Navarro, Joan Phillips, Richard A. Ryan, Peter G. Shepherd, Lara D. Suazo, Cristián G. Weimerskirch, Henri Moodley, Yoshan Institut Polaire Français Terres Australes et Antarctiques Francaises Mohamed bin Zayed Species Conservation Fund Brian Mason Scientific and Technical Trust German Research Foundation Natural Environment Research Council (UK) 2019-08 http://hdl.handle.net/10261/194930 https://doi.org/10.1093/molbev/msz090 https://doi.org/10.13039/501100001659 https://doi.org/10.13039/501100011001 https://doi.org/10.13039/501100004796 https://doi.org/10.13039/501100004630 https://doi.org/10.13039/501100000270 unknown Society for Molecular Biology and Evolution Publisher's version https://doi.org/10.1093/molbev/msz090 Sí doi:10.1093/molbev/msz090 issn: 0737-4038 e-issn: 1537-1719 Molecular Biology and Evolution 36(8): 1671-1685 (2019) http://hdl.handle.net/10261/194930 http://dx.doi.org/10.13039/501100001659 http://dx.doi.org/10.13039/501100011001 http://dx.doi.org/10.13039/501100004796 http://dx.doi.org/10.13039/501100004630 http://dx.doi.org/10.13039/501100000270 31028398 open Increased hybrid fitness Additive traits Seabird Reproductive isolation Procellariiformes Homoploid hybrid speciation artículo http://purl.org/coar/resource_type/c_6501 2019 ftcsic https://doi.org/10.1093/molbev/msz09010.13039/50110000165910.13039/50110001100110.13039/50110000479610.13039/50110000463010.13039/501100000270 2024-01-16T10:45:40Z 15 pages, 7 figures, 2 tables, supplementary material Speciation through homoploid hybridization (HHS) is considered extremely rare in animals. This is mainly because the establishment of reproductive isolation as a product of hybridization is uncommon. Additionally, many traits are underpinned by polygeny and/or incomplete dominance, where the hybrid phenotype is an additive blend of parental characteristics. Phenotypically intermediate hybrids are usually at a fitness disadvantage compared with parental species and tend to vanish through backcrossing with parental population(s). It is therefore unknown whether the additive nature of hybrid traits in itself could lead successfully to HHS. Using a multi-marker genetic data set and a meta-analysis of diet and morphology, we investigated a potential case of HHS in the prions (Pachyptila spp.), seabirds distinguished by their bills, prey choice, and timing of breeding. Using approximate Bayesian computation, we show that the medium-billed Salvin’s prion (Pachyptila salvini) could be a hybrid between the narrow-billed Antarctic prion (Pachyptila desolata) and broad-billed prion (Pachyptila vittata). Remarkably, P. salvini’s intermediate bill width has given it a feeding advantage with respect to the other Pachyptila species, allowing it to consume a broader range of prey, potentially increasing its fitness. Available metadata showed that P. salvini is also intermediate in breeding phenology and, with no overlap in breeding times, it is effectively reproductively isolated from either parental species through allochrony. These results provide evidence for a case of HHS in nature, and show for the first time that additivity of divergent parental traits alone can lead directly to increased hybrid fitness and reproductive isolation This work was supported by the Deutsche Forschungsgemeinschaft (Germany), Heisenberg program (grant number DFG, Qu 148-5 to P.Q.), a CGS award from the Natural Environment Research Council (NERC), the Institut Polaire Français Paul Emile ... Article in Journal/Newspaper Antarc* Antarctic Antarctic prion Institut Polaire Français Pachyptila desolata Digital.CSIC (Spanish National Research Council) Antarctic Molecular Biology and Evolution 36 8 1671 1685 |
institution |
Open Polar |
collection |
Digital.CSIC (Spanish National Research Council) |
op_collection_id |
ftcsic |
language |
unknown |
topic |
Increased hybrid fitness Additive traits Seabird Reproductive isolation Procellariiformes Homoploid hybrid speciation |
spellingShingle |
Increased hybrid fitness Additive traits Seabird Reproductive isolation Procellariiformes Homoploid hybrid speciation Masello, Juan F. Quillfeldt, Petra Sandoval-Castellanos, Edson Alderman, Rachael Calderón, Luciano Cherel, Yves Cole, Theresa L. Cuthbert, Richard Marin, Manuel Massaro, Melanie Navarro, Joan Phillips, Richard A. Ryan, Peter G. Shepherd, Lara D. Suazo, Cristián G. Weimerskirch, Henri Moodley, Yoshan Additive Traits Lead to Feeding Advantage and Reproductive Isolation, Promoting Homoploid Hybrid Speciation |
topic_facet |
Increased hybrid fitness Additive traits Seabird Reproductive isolation Procellariiformes Homoploid hybrid speciation |
description |
15 pages, 7 figures, 2 tables, supplementary material Speciation through homoploid hybridization (HHS) is considered extremely rare in animals. This is mainly because the establishment of reproductive isolation as a product of hybridization is uncommon. Additionally, many traits are underpinned by polygeny and/or incomplete dominance, where the hybrid phenotype is an additive blend of parental characteristics. Phenotypically intermediate hybrids are usually at a fitness disadvantage compared with parental species and tend to vanish through backcrossing with parental population(s). It is therefore unknown whether the additive nature of hybrid traits in itself could lead successfully to HHS. Using a multi-marker genetic data set and a meta-analysis of diet and morphology, we investigated a potential case of HHS in the prions (Pachyptila spp.), seabirds distinguished by their bills, prey choice, and timing of breeding. Using approximate Bayesian computation, we show that the medium-billed Salvin’s prion (Pachyptila salvini) could be a hybrid between the narrow-billed Antarctic prion (Pachyptila desolata) and broad-billed prion (Pachyptila vittata). Remarkably, P. salvini’s intermediate bill width has given it a feeding advantage with respect to the other Pachyptila species, allowing it to consume a broader range of prey, potentially increasing its fitness. Available metadata showed that P. salvini is also intermediate in breeding phenology and, with no overlap in breeding times, it is effectively reproductively isolated from either parental species through allochrony. These results provide evidence for a case of HHS in nature, and show for the first time that additivity of divergent parental traits alone can lead directly to increased hybrid fitness and reproductive isolation This work was supported by the Deutsche Forschungsgemeinschaft (Germany), Heisenberg program (grant number DFG, Qu 148-5 to P.Q.), a CGS award from the Natural Environment Research Council (NERC), the Institut Polaire Français Paul Emile ... |
author2 |
Institut Polaire Français Terres Australes et Antarctiques Francaises Mohamed bin Zayed Species Conservation Fund Brian Mason Scientific and Technical Trust German Research Foundation Natural Environment Research Council (UK) |
format |
Article in Journal/Newspaper |
author |
Masello, Juan F. Quillfeldt, Petra Sandoval-Castellanos, Edson Alderman, Rachael Calderón, Luciano Cherel, Yves Cole, Theresa L. Cuthbert, Richard Marin, Manuel Massaro, Melanie Navarro, Joan Phillips, Richard A. Ryan, Peter G. Shepherd, Lara D. Suazo, Cristián G. Weimerskirch, Henri Moodley, Yoshan |
author_facet |
Masello, Juan F. Quillfeldt, Petra Sandoval-Castellanos, Edson Alderman, Rachael Calderón, Luciano Cherel, Yves Cole, Theresa L. Cuthbert, Richard Marin, Manuel Massaro, Melanie Navarro, Joan Phillips, Richard A. Ryan, Peter G. Shepherd, Lara D. Suazo, Cristián G. Weimerskirch, Henri Moodley, Yoshan |
author_sort |
Masello, Juan F. |
title |
Additive Traits Lead to Feeding Advantage and Reproductive Isolation, Promoting Homoploid Hybrid Speciation |
title_short |
Additive Traits Lead to Feeding Advantage and Reproductive Isolation, Promoting Homoploid Hybrid Speciation |
title_full |
Additive Traits Lead to Feeding Advantage and Reproductive Isolation, Promoting Homoploid Hybrid Speciation |
title_fullStr |
Additive Traits Lead to Feeding Advantage and Reproductive Isolation, Promoting Homoploid Hybrid Speciation |
title_full_unstemmed |
Additive Traits Lead to Feeding Advantage and Reproductive Isolation, Promoting Homoploid Hybrid Speciation |
title_sort |
additive traits lead to feeding advantage and reproductive isolation, promoting homoploid hybrid speciation |
publisher |
Society for Molecular Biology and Evolution |
publishDate |
2019 |
url |
http://hdl.handle.net/10261/194930 https://doi.org/10.1093/molbev/msz090 https://doi.org/10.13039/501100001659 https://doi.org/10.13039/501100011001 https://doi.org/10.13039/501100004796 https://doi.org/10.13039/501100004630 https://doi.org/10.13039/501100000270 |
geographic |
Antarctic |
geographic_facet |
Antarctic |
genre |
Antarc* Antarctic Antarctic prion Institut Polaire Français Pachyptila desolata |
genre_facet |
Antarc* Antarctic Antarctic prion Institut Polaire Français Pachyptila desolata |
op_relation |
Publisher's version https://doi.org/10.1093/molbev/msz090 Sí doi:10.1093/molbev/msz090 issn: 0737-4038 e-issn: 1537-1719 Molecular Biology and Evolution 36(8): 1671-1685 (2019) http://hdl.handle.net/10261/194930 http://dx.doi.org/10.13039/501100001659 http://dx.doi.org/10.13039/501100011001 http://dx.doi.org/10.13039/501100004796 http://dx.doi.org/10.13039/501100004630 http://dx.doi.org/10.13039/501100000270 31028398 |
op_rights |
open |
op_doi |
https://doi.org/10.1093/molbev/msz09010.13039/50110000165910.13039/50110001100110.13039/50110000479610.13039/50110000463010.13039/501100000270 |
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Molecular Biology and Evolution |
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36 |
container_issue |
8 |
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1671 |
op_container_end_page |
1685 |
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1790607674167001088 |