Molecular Ecology - Special Issue on the Genomic and Fitness Consequences of Gene Flow
Submission Deadline: Monday, 30 November 2026
https://onlinelibrary.wiley.com/page/journal/1365294x/call-for-papers/si-2026-000452

Gene flow represents one of the primary mechanisms of evolution for populations and species. Introduction of genetic material may counteract or facilitate evolution by natural selection, and can be a mechanism for diversification. This special issue will cover all aspects of gene flow among individuals (horizontal transfer), populations, and species (introgression) with a focus on the fitness consequences of genetic exchange. Appropriate submissions include empirical, theoretical, and methodological contributions aimed at improving our understanding of the genomic and fitness consequences of gene flow.

Topics of interest for this call for papers include but are not restricted to the following:

Contributions to adaptation;
Counteracting selection;
Introgression between lineages stalled by barrier loci;
Introgression between lineages contributing to adaptation;
Contributions to purging of genetic load;
Counteracting genetic drift;
The spread of adaptive genetic variation.

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