What shapes the continuum of reproductive isolation? Lessons from Heliconius butterflies

Camilo Salazar, Claire Merot, Richard M Merrill, Chris D Jiggins, Mathieu Joron

Resultado de la investigación: Otra contribución

12 Citas (Scopus)

Resumen

The process by which species evolve can be illuminated by investigating barriers that limit gene flow between taxa. Recent radiations, such as Heliconius butterflies, offer the opportunity to compare isolation between pairs of taxa at different stages of ecological, geographical, and phylogenetic divergence. Here, we report a comparative analysis of existing and novel data in order to quantify the strength and direction of isolating barriers within a well-studied clade of Heliconius Our results highlight that increased divergence is associated with the accumulation of stronger and more numerous barriers to gene flow. Wing pattern is both under natural selection for Müllerian mimicry and involved in mate choice, and therefore underlies several isolating barriers. However, pairs which share a similar wing pattern also display strong reproductive isolation mediated by traits other than wing pattern. This suggests that, while wing pattern is a key factor for early stages of divergence, it may become facultative at later stages of divergence. Additional factors including habitat partitioning, hybrid sterility, and chemically mediated mate choice are associated with complete speciation. Therefore, although most previous work has emphasized the role of wing pattern, our comparative results highlight that speciation is a multi-dimensional process, whose completion is stabilized by many factors.
Idioma originalEnglish (US)
EditorThe Royal Society
Número de páginas10
Lugar de publicaciónProceedings of the Royal Society B: Biological Sciences
Edición1856
Volumen284
DOI
EstadoPublished - jun 14 2017

Series de publicaciones

NombreProceedings of the Royal Society B: Biological Sciences
EditorRoyal Society of London
ISSN (impreso)0962-8452

Huella dactilar

Heliconius
reproductive isolation
butterflies
mating behavior
gene flow
mimicry (behavior)
natural selection
phylogeny
habitats

Citar esto

Salazar, C., Merot, C., Merrill, R. M., Jiggins, C. D., & Joron, M. (2017, jun 14). What shapes the continuum of reproductive isolation? Lessons from Heliconius butterflies. (1856 ed.) Proceedings of the Royal Society B: Biological Sciences: The Royal Society. https://doi.org/10.1101/107011, https://doi.org/10.1098/rspb.2017.0335
Salazar, Camilo ; Merot, Claire ; Merrill, Richard M ; Jiggins, Chris D ; Joron, Mathieu. / What shapes the continuum of reproductive isolation? Lessons from Heliconius butterflies. 2017. Proceedings of the Royal Society B: Biological Sciences : The Royal Society. 10 p. (Proceedings of the Royal Society B: Biological Sciences).
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abstract = "The process by which species evolve can be illuminated by investigating barriers that limit gene flow between taxa. Recent radiations, such as Heliconius butterflies, offer the opportunity to compare isolation between pairs of taxa at different stages of ecological, geographical, and phylogenetic divergence. Here, we report a comparative analysis of existing and novel data in order to quantify the strength and direction of isolating barriers within a well-studied clade of Heliconius Our results highlight that increased divergence is associated with the accumulation of stronger and more numerous barriers to gene flow. Wing pattern is both under natural selection for M{\"u}llerian mimicry and involved in mate choice, and therefore underlies several isolating barriers. However, pairs which share a similar wing pattern also display strong reproductive isolation mediated by traits other than wing pattern. This suggests that, while wing pattern is a key factor for early stages of divergence, it may become facultative at later stages of divergence. Additional factors including habitat partitioning, hybrid sterility, and chemically mediated mate choice are associated with complete speciation. Therefore, although most previous work has emphasized the role of wing pattern, our comparative results highlight that speciation is a multi-dimensional process, whose completion is stabilized by many factors.",
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Salazar, C, Merot, C, Merrill, RM, Jiggins, CD & Joron, M 2017, What shapes the continuum of reproductive isolation? Lessons from Heliconius butterflies. The Royal Society, Proceedings of the Royal Society B: Biological Sciences. https://doi.org/10.1101/107011, https://doi.org/10.1098/rspb.2017.0335

What shapes the continuum of reproductive isolation? Lessons from Heliconius butterflies. / Salazar, Camilo; Merot, Claire; Merrill, Richard M; Jiggins, Chris D; Joron, Mathieu.

10 p. 1856 ed. Proceedings of the Royal Society B: Biological Sciences : The Royal Society. 2017, . (Proceedings of the Royal Society B: Biological Sciences).

Resultado de la investigación: Otra contribución

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