Shedding light on a threatened midwife toad: fine-scale niche modelling of the Moroccan endemic <i>Alytes maurus</i> (Pasteur and Bons 1962)

Donaire-Barroso, David; Hernández, Axel; Escoriza, Daniel

doi:10.1080/21564574.2021.2014989

Cited by 2 publications

(1 citation statement)

References 34 publications

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“…The taxonomy of these species should thus remain stable, and the present disconnections must be relatively recent. Accordingly, projections of climatic niches identified continuous suitable areas across expected ranges (Beukema et al, 2013;Maia-Carvalho et al, 2018;Rodríguez-Rodríguez et al, 2020;Donaire-Barroso et al, 2022). Rather than phylogeographic breaks, the genetic structure retrieved by conservation genetic studies in A. dickhilleni (Dias et al, 2015), A. cisternasii (Gonçalves et al, 2009), andA.…”

Section: Evolutionary Relationships and Biogeography In Alytesmentioning

confidence: 97%

Genomic phylogeography illuminates deep cyto-nuclear discordances in midwife toads (Alytes)

Ambu

Martínez‐Solano

Suchan

et al. 2023

Molecular Phylogenetics and Evolution

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Section: Evolutionary Relationships and Biogeography In Alytesmentioning

confidence: 97%

Genomic phylogeography illuminates deep cyto-nuclear discordances in midwife toads (Alytes)

Ambu

Martínez‐Solano

Suchan

et al. 2023

Molecular Phylogenetics and Evolution

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Genomic, phenotypic and environmental correlates of speciation in the midwife toads (Alytes)

Ambu,

Litvinchuk,

Caballero-Díaz

et al. 2024

Preprint

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Speciation, i.e., the formation of new species, implies that diverging populations evolve genetic and phenotypic factors that promote reproductive isolation (RI), but the adaptive vs. neutral origin of these factors and their relative contributions across the speciation continuum remain elusive. Here we test which of genomic, bioacoustic, morphological and environmental differentiation best predicts RI across the midwife toads (genus Alytes), a diversification of Mediterranean amphibians. Hybrid zone analyses in the A. obstetricans complex support that without strong geographic barriers to dispersal, the extent of introgression (which should reflect the strength of RI) covaries with genomic divergence irrespective of other factors. Phenotypic divergence become important later along the continuum, namely between non-admixing species attributed to distinct subgenera. Our results suggest that by putatively causing intrinsic incompatibilities in hybrids, the genetic mutations accumulating randomly between allopatric populations act as the initial trigger of RI, while substantial ecological and behavioral differentiation is a long-term consequence of species divergence that ultimately promotes sympatry. Whereas speciation is usually claimed to be primarily adaptive, our study corroborates recent findings that new species may also be a neutral outcome of gradual phylogeographic divergence, which has practical implications for species delimitation.

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Shedding light on a threatened midwife toad: fine-scale niche modelling of the Moroccan endemic Alytes maurus (Pasteur and Bons 1962)

Cited by 2 publications

References 34 publications

Genomic phylogeography illuminates deep cyto-nuclear discordances in midwife toads (Alytes)

Genomic phylogeography illuminates deep cyto-nuclear discordances in midwife toads (Alytes)

Genomic, phenotypic and environmental correlates of speciation in the midwife toads (Alytes)

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