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Butterfly genome reveals promiscuous exchange of mimicry adaptations among species
TLDR
It is inferred that closely related Heliconius species exchange protective colour-pattern genes promiscuously, implying that hybridization has an important role in adaptive radiation.
Genome-wide evidence for speciation with gene flow in Heliconius butterflies.
TLDR
Overall these results show that species divergence can occur in the face of persistent and genome-wide admixture over long periods of time.
Speciation by hybridization in Heliconius butterflies
TLDR
It is shown that a hybrid trait in an animal species can directly cause reproductive isolation, and that the phenotype of H. heurippa reproductively isolates it from both parental species.
Chromosomal rearrangements maintain a polymorphic supergene controlling butterfly mimicry
TLDR
The results indicate that allelic combinations at known wing-patterning loci have become locked together in a polymorphic rearrangement at the P locus, forming a supergene that acts as a simple switch between complex adaptive phenotypes found in sympatry.
Adaptive Introgression across Species Boundaries in Heliconius Butterflies
TLDR
Analysis of the role of introgressive hybridisation in transferring adaptations between mimetic Heliconius butterflies, taking advantage of the recent identification of a gene regulating red wing patterns in this genus, finds an almost perfect genotype by phenotype association across four species.
SEX‐LINKED HYBRID STERILITY IN A BUTTERFLY
TLDR
The demonstration that recessive Z‐linked loci cause hybrid sterility in a female heterogametic species supports the contention that dominance theory provides a general explanation of Haldane's rule.
Complex modular architecture around a simple toolkit of wing pattern genes
TLDR
It is shown that variation around colour pattern genes is highly modular, with narrow genomic intervals associated with specific differences in colour and pattern, and provides a flexible mechanism for rapid morphological diversification.
Genetic Evidence for Hybrid Trait Speciation in Heliconius Butterflies
TLDR
This gene constitutes the first molecular evidence for adaptive introgression during hybrid speciation and is the first clear candidate for a Heliconius wing patterning locus.
Genome‐wide patterns of divergence and gene flow across a butterfly radiation
TLDR
Phylogenetic analysis of 54 individuals robustly supported reciprocal monophyly of H. melpomene and Heliconius cydno and refuted previous phylogenetic hypotheses that H.Mel pomene may be paraphylectic with respect to H. Cydno.
Genomic architecture and introgression shape a butterfly radiation
TLDR
Tests to distinguish incomplete lineage sorting from introgression indicate that gene flow has obscured several ancient phylogenetic relationships in this group over large swathes of the genome, and a hitherto unknown inversion that traps a color pattern switch locus is identified.
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