Genomic evidence for homoploid hybrid speciation in a marine mammal apex predator

Fernando Lopes; R. Larissa Oliveira; Yago Beux; Amanda Kessler; Susana Cárdenas-Alayza; Patricia Majluf; Diego Páez-Rosas; Jaime Chaves; Enrique Crespo; Robert L. Brownell; Alastair M.M. Baylis; Maritza Sepúlveda; Valentina Franco-Trecu; Carolina Loch; Bruce C. Robertson; Claire R. Peart; Jochen B.W. Wolf; Sandro L. Bonatto

doi:10.1126/sciadv.adf6601

Genomic evidence for homoploid hybrid speciation in a marine mammal apex predator

Fernando Lopes, R. Larissa Oliveira, Yago Beux, Amanda Kessler, Susana Cárdenas-Alayza, Patricia Majluf, Diego Páez-Rosas, Jaime Chaves, Enrique Crespo, Robert L. Brownell, Alastair M.M. Baylis, Maritza Sepúlveda, Valentina Franco-Trecu, Carolina Loch, Bruce C. Robertson, Claire R. Peart, Jochen B.W. Wolf, Sandro L. Bonatto

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14 Citas (Scopus)

Resumen

Hybridization is widespread and constitutes an important source of genetic variability and evolution. In animals, its role in generating novel and independent lineages (hybrid speciation) has been strongly debated, with only a few cases supported by genomic data. The South American fur seal (SAfs) Arctocephalus australis is a marine apex predator of Pacific and Atlantic waters, with a disjunct set of populations in Peru and Northern Chile [Peruvian fur seal (Pfs)] with controversial taxonomic status.We demonstrate, using complete genome and reduced representation sequencing, that the Pfs is a genetically distinct species with an admixed genome that originated from hybridization between the SAfs and the Galapagos fur seal (Arctocephalus galapagoensis) ∼400,000 years ago. Our results strongly support the origin of Pfs by homoploid hybrid speciation over alternative introgression scenarios. This study highlights the role of hybridization in promoting species-level biodiversity in large vertebrates.

Idioma original	Inglés
Número de artículo	eadf6601
Publicación	Science Advances
Volumen	9
N.º	18
DOI	https://doi.org/10.1126/sciadv.adf6601
Estado	Publicada - 3 may. 2023

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Lopes, F., Oliveira, R. L., Beux, Y., Kessler, A., Cárdenas-Alayza, S., Majluf, P., Páez-Rosas, D., Chaves, J., Crespo, E., Brownell, R. L., Baylis, A. M. M., Sepúlveda, M., Franco-Trecu, V., Loch, C., Robertson, B. C., Peart, C. R., Wolf, J. B. W., & Bonatto, S. L. (2023). Genomic evidence for homoploid hybrid speciation in a marine mammal apex predator. Science Advances, 9(18), Artículo eadf6601. https://doi.org/10.1126/sciadv.adf6601

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title = "Genomic evidence for homoploid hybrid speciation in a marine mammal apex predator",

abstract = "Hybridization is widespread and constitutes an important source of genetic variability and evolution. In animals, its role in generating novel and independent lineages (hybrid speciation) has been strongly debated, with only a few cases supported by genomic data. The South American fur seal (SAfs) Arctocephalus australis is a marine apex predator of Pacific and Atlantic waters, with a disjunct set of populations in Peru and Northern Chile [Peruvian fur seal (Pfs)] with controversial taxonomic status.We demonstrate, using complete genome and reduced representation sequencing, that the Pfs is a genetically distinct species with an admixed genome that originated from hybridization between the SAfs and the Galapagos fur seal (Arctocephalus galapagoensis) ∼400,000 years ago. Our results strongly support the origin of Pfs by homoploid hybrid speciation over alternative introgression scenarios. This study highlights the role of hybridization in promoting species-level biodiversity in large vertebrates.",

keywords = "Animals, Fur Seals/genetics, Hybridization, Genetic, Genomics, Squalene, Chile, Genetic Speciation",

author = "Fernando Lopes and Oliveira, {R. Larissa} and Yago Beux and Amanda Kessler and Susana C{\'a}rdenas-Alayza and Patricia Majluf and Diego P{\'a}ez-Rosas and Jaime Chaves and Enrique Crespo and Brownell, {Robert L.} and Baylis, {Alastair M.M.} and Maritza Sep{\'u}lveda and Valentina Franco-Trecu and Carolina Loch and Robertson, {Bruce C.} and Peart, {Claire R.} and Wolf, {Jochen B.W.} and Bonatto, {Sandro L.}",

note = "Publisher Copyright: {\textcopyright} c 2023 The Authors.",

year = "2023",

month = may,

day = "3",

doi = "10.1126/sciadv.adf6601",

language = "Ingl{\'e}s",

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Lopes, F, Oliveira, RL, Beux, Y, Kessler, A, Cárdenas-Alayza, S, Majluf, P, Páez-Rosas, D , Chaves, J, Crespo, E, Brownell, RL, Baylis, AMM, Sepúlveda, M, Franco-Trecu, V, Loch, C, Robertson, BC, Peart, CR, Wolf, JBW & Bonatto, SL 2023, 'Genomic evidence for homoploid hybrid speciation in a marine mammal apex predator', Science Advances, vol. 9, n.º 18, eadf6601. https://doi.org/10.1126/sciadv.adf6601

TY - JOUR

T1 - Genomic evidence for homoploid hybrid speciation in a marine mammal apex predator

AU - Lopes, Fernando

AU - Oliveira, R. Larissa

AU - Beux, Yago

AU - Kessler, Amanda

AU - Cárdenas-Alayza, Susana

AU - Majluf, Patricia

AU - Páez-Rosas, Diego

AU - Chaves, Jaime

AU - Crespo, Enrique

AU - Brownell, Robert L.

AU - Baylis, Alastair M.M.

AU - Sepúlveda, Maritza

AU - Franco-Trecu, Valentina

AU - Loch, Carolina

AU - Robertson, Bruce C.

AU - Peart, Claire R.

AU - Wolf, Jochen B.W.

AU - Bonatto, Sandro L.

PY - 2023/5/3

Y1 - 2023/5/3

N2 - Hybridization is widespread and constitutes an important source of genetic variability and evolution. In animals, its role in generating novel and independent lineages (hybrid speciation) has been strongly debated, with only a few cases supported by genomic data. The South American fur seal (SAfs) Arctocephalus australis is a marine apex predator of Pacific and Atlantic waters, with a disjunct set of populations in Peru and Northern Chile [Peruvian fur seal (Pfs)] with controversial taxonomic status.We demonstrate, using complete genome and reduced representation sequencing, that the Pfs is a genetically distinct species with an admixed genome that originated from hybridization between the SAfs and the Galapagos fur seal (Arctocephalus galapagoensis) ∼400,000 years ago. Our results strongly support the origin of Pfs by homoploid hybrid speciation over alternative introgression scenarios. This study highlights the role of hybridization in promoting species-level biodiversity in large vertebrates.

AB - Hybridization is widespread and constitutes an important source of genetic variability and evolution. In animals, its role in generating novel and independent lineages (hybrid speciation) has been strongly debated, with only a few cases supported by genomic data. The South American fur seal (SAfs) Arctocephalus australis is a marine apex predator of Pacific and Atlantic waters, with a disjunct set of populations in Peru and Northern Chile [Peruvian fur seal (Pfs)] with controversial taxonomic status.We demonstrate, using complete genome and reduced representation sequencing, that the Pfs is a genetically distinct species with an admixed genome that originated from hybridization between the SAfs and the Galapagos fur seal (Arctocephalus galapagoensis) ∼400,000 years ago. Our results strongly support the origin of Pfs by homoploid hybrid speciation over alternative introgression scenarios. This study highlights the role of hybridization in promoting species-level biodiversity in large vertebrates.

KW - Animals

KW - Fur Seals/genetics

KW - Hybridization, Genetic

KW - Genomics

KW - Squalene

KW - Chile

KW - Genetic Speciation

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U2 - 10.1126/sciadv.adf6601

DO - 10.1126/sciadv.adf6601

M3 - Artículo

C2 - 37134171

AN - SCOPUS:85159546682

SN - 2375-2548

VL - 9

JO - Science Advances

JF - Science Advances

IS - 18

M1 - eadf6601

ER -

Genomic evidence for homoploid hybrid speciation in a marine mammal apex predator

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