What is speciation genomics? The roles of ecology, gene flow, and genomic architecture in the formation of species

CR Campbell, JW Poelstra… - Biological Journal of the …, 2018 - academic.oup.com
As is true of virtually every realm of the biological sciences, our understanding of speciation
is increasingly informed by the genomic revolution of the past decade. Investigators can ask …

Genomic architecture and introgression shape a butterfly radiation

NB Edelman, PB Frandsen, M Miyagi, B Clavijo… - Science, 2019 - science.org
We used 20 de novo genome assemblies to probe the speciation history and architecture of
gene flow in rapidly radiating Heliconius butterflies. Our tests to distinguish incomplete …

Worldwide Late Pleistocene and Early Holocene population declines in extant megafauna are associated with Homo sapiens expansion rather than climate change

J Bergman, RØ Pedersen, EJ Lundgren… - Nature …, 2023 - nature.com
The worldwide extinction of megafauna during the Late Pleistocene and Early Holocene is
evident from the fossil record, with dominant theories suggesting a climate, human or …

Recombination rate variation shapes barriers to introgression across butterfly genomes

SH Martin, JW Davey, C Salazar, CD Jiggins - PLoS biology, 2019 - journals.plos.org
Hybridisation and introgression can dramatically alter the relationships among groups of
species, leading to phylogenetic discordance across the genome and between populations …

Parallel evolution of ancient, pleiotropic enhancers underlies butterfly wing pattern mimicry

JJ Lewis, RC Geltman, PC Pollak… - Proceedings of the …, 2019 - National Acad Sciences
Color pattern mimicry in Heliconius butterflies is a classic case study of complex trait
adaptation via selection on a few large effect genes. Association studies have linked color …

Heliconius butterflies: a window into the evolution and development of diversity

SM Van Belleghem, JJ Lewis, ES Rivera… - Current opinion in …, 2021 - Elsevier
Butterflies have become prominent models for studying the evolution and development of
phenotypic variation. In Heliconius, extraordinary within species divergence and between …

Repeated genetic adaptation to altitude in two tropical butterflies

G Montejo-Kovacevich, JI Meier, CN Bacquet… - Nature …, 2022 - nature.com
Repeated evolution can provide insight into the mechanisms that facilitate adaptation to
novel or changing environments. Here we study adaptation to altitude in two tropical …

Evolution and genetic architecture of sex-limited polymorphism in cuckoos

J Merondun, CI Marques, P Andrade… - Science …, 2024 - science.org
Sex-limited polymorphism has evolved in many species including our own. Yet, we lack a
detailed understanding of the underlying genetic variation and evolutionary processes at …

Selective sweeps on novel and introgressed variation shape mimicry loci in a butterfly adaptive radiation

M Moest, SM Van Belleghem, JE James, C Salazar… - PLoS …, 2020 - journals.plos.org
Natural selection leaves distinct signatures in the genome that can reveal the targets and
history of adaptive evolution. By analysing high-coverage genome sequence data from 4 …

Demographically explicit scans for barriers to gene flow using gIMble

DR Laetsch, G Bisschop, SH Martin… - PLoS …, 2023 - journals.plos.org
Identifying regions of the genome that act as barriers to gene flow between recently diverged
taxa has remained challenging given the many evolutionary forces that generate variation in …