N. Backström

Evolution of hybrid inviability associated with chromosome fusions

The paper identifies genomic regions linked to hybrid inviability in butterflies by comparing allele frequencies in surviving and non-surviving F2 hybrids, showing these regions are in fast-evolving, low-recombination areas with chromosome fusions.

Meiotic drive against chromosome fusions in butterfly hybrids

The paper investigates meiotic drive in butterfly hybrids, finding transmission biases that favor or oppose chromosome fusions, suggesting meiotic drive can both promote and hinder karyotypic evolution.

Temporal Dynamics of Faster Neo-Z Evolution in Butterflies

The paper examines the faster-Z effect in Leptidea sinapis, showing that neo-Z chromosomes evolve at different rates due to varying selective pressures and W gametolog presence.

Isotope geolocation and population genomics in Vanessa cardui: Short- and long-distance migrants are genetically undifferentiated

The paper uses isotope geolocation and genome-wide analysis to show that short- and long-distance migratory V. cardui butterflies are genetically undifferentiated, suggesting migration distance is environmentally plastic.

Environmental stress during larval development induces head methylome profile shifts in the migratory painted lady butterfly (Vanessa cardui)

The paper investigates how environmental stress during larval development affects DNA methylation in the painted lady butterfly, identifying epigenetic shifts linked to environmental conditions and gene expression patterns.

High-density linkage maps and chromosome level genome assemblies unveil direction and frequency of extensive structural rearrangements in wood white butterflies (Leptidea spp.)

The paper generates genome assemblies and linkage maps for Leptidea species to study structural rearrangements, finding extensive fissions, fusions, and polymorphisms, with LINEs and LTR elements enriched at fusion breakpoints.

Migratory behavior is positively associated with genetic diversity in butterflies

The paper uses genomic data to show migratory butterflies have higher genetic diversity and stable population sizes compared to non-migratory species.