Molecular Ecology

Nicola J. Nadeau, Simon H. Martin, Krzysztof M. Kozak, Camilo Salazar, Kanchon K. Dasmahapatra, John W. Davey, Simon W. Baxter, Mark L. Blaxter, James Mallet, Chris D. Jiggins

Research output: Contribution to conferencePaper

98 Citations (Scopus)

Abstract

The Heliconius butterflies are a diverse recent radiation comprising multiple levels of divergence with ongoing gene flow between species. The recently sequenced genome of Heliconius melpomene allowed us to investigate the genomic evolution of this group using dense RAD marker sequencing. Phylogenetic analysis of 54 individuals robustly supported reciprocal monophyly of H. melpomene and Heliconius cydno and refuted previous phylogenetic hypotheses that H. melpomene may be paraphylectic with respect to H. cydno. Heliconius timareta also formed a monophyletic clade closely related but distinct from H. cydno with Heliconius heurippa falling within this clade. We find evidence for genetic admixture between sympatric populations of the sister clades H. melpomene and H. cydno/timareta, particularly between H. cydno and H. melpomene from Central America and between H. timareta and H. melpomene from the eastern slopes of the Andes. Between races, divergence is primarily explained by isolation by distance and there is no detectable genetic population structure between parapatric races, suggesting that hybrid zones between races are not zones of secondary contact. Our results also support previous findings that colour pattern loci are shared between populations and species with similar colour pattern elements. Furthermore, this pattern is almost unique to these genomic regions, with only a very small number of other loci showing significant similarity between populations and species with similar colour patterns. © 2012 Blackwell Publishing Ltd.
Original languageEnglish (US)
Pages814-826
Number of pages13
DOIs
StatePublished - Feb 1 2013
Eventconference -
Duration: Feb 1 2013 → …

Conference

Conferenceconference
Period2/1/13 → …

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Ecology
Color
Population
Central America
Butterflies
Gene Flow
Genetic Structures
Siblings
Genome
Radiation

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Nadeau, N. J., Martin, S. H., Kozak, K. M., Salazar, C., Dasmahapatra, K. K., Davey, J. W., ... Jiggins, C. D. (2013). Molecular Ecology. 814-826. Paper presented at conference, . https://doi.org/10.1111/j.1365-294X.2012.05730.x
Nadeau, Nicola J. ; Martin, Simon H. ; Kozak, Krzysztof M. ; Salazar, Camilo ; Dasmahapatra, Kanchon K. ; Davey, John W. ; Baxter, Simon W. ; Blaxter, Mark L. ; Mallet, James ; Jiggins, Chris D. / Molecular Ecology. Paper presented at conference, .13 p.
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Nadeau, NJ, Martin, SH, Kozak, KM, Salazar, C, Dasmahapatra, KK, Davey, JW, Baxter, SW, Blaxter, ML, Mallet, J & Jiggins, CD 2013, 'Molecular Ecology' Paper presented at conference, 2/1/13, pp. 814-826. https://doi.org/10.1111/j.1365-294X.2012.05730.x

Molecular Ecology. / Nadeau, Nicola J.; Martin, Simon H.; Kozak, Krzysztof M.; Salazar, Camilo; Dasmahapatra, Kanchon K.; Davey, John W.; Baxter, Simon W.; Blaxter, Mark L.; Mallet, James; Jiggins, Chris D.

2013. 814-826 Paper presented at conference, .

Research output: Contribution to conferencePaper

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T1 - Molecular Ecology

AU - Nadeau, Nicola J.

AU - Martin, Simon H.

AU - Kozak, Krzysztof M.

AU - Salazar, Camilo

AU - Dasmahapatra, Kanchon K.

AU - Davey, John W.

AU - Baxter, Simon W.

AU - Blaxter, Mark L.

AU - Mallet, James

AU - Jiggins, Chris D.

PY - 2013/2/1

Y1 - 2013/2/1

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AB - The Heliconius butterflies are a diverse recent radiation comprising multiple levels of divergence with ongoing gene flow between species. The recently sequenced genome of Heliconius melpomene allowed us to investigate the genomic evolution of this group using dense RAD marker sequencing. Phylogenetic analysis of 54 individuals robustly supported reciprocal monophyly of H. melpomene and Heliconius cydno and refuted previous phylogenetic hypotheses that H. melpomene may be paraphylectic with respect to H. cydno. Heliconius timareta also formed a monophyletic clade closely related but distinct from H. cydno with Heliconius heurippa falling within this clade. We find evidence for genetic admixture between sympatric populations of the sister clades H. melpomene and H. cydno/timareta, particularly between H. cydno and H. melpomene from Central America and between H. timareta and H. melpomene from the eastern slopes of the Andes. Between races, divergence is primarily explained by isolation by distance and there is no detectable genetic population structure between parapatric races, suggesting that hybrid zones between races are not zones of secondary contact. Our results also support previous findings that colour pattern loci are shared between populations and species with similar colour pattern elements. Furthermore, this pattern is almost unique to these genomic regions, with only a very small number of other loci showing significant similarity between populations and species with similar colour patterns. © 2012 Blackwell Publishing Ltd.

U2 - 10.1111/j.1365-294X.2012.05730.x

DO - 10.1111/j.1365-294X.2012.05730.x

M3 - Paper

C2 - 22924870

SP - 814

EP - 826

ER -

Nadeau NJ, Martin SH, Kozak KM, Salazar C, Dasmahapatra KK, Davey JW et al. Molecular Ecology. 2013. Paper presented at conference, . https://doi.org/10.1111/j.1365-294X.2012.05730.x