Sexually antagonistic coevolution between the sex chromosomes of Drosophila melanogaster.

ABSTRACT: Antagonistic interactions between the sexes are important drivers of evolutionary divergence. Interlocus sexual conflict is generally described as a conflict between alleles at two interacting loci whose identity and genomic location are arbitrary, but with opposite fitness effects in each sex. We build on previous theory by suggesting that when loci under interlocus sexual conflict are located on the sex chromosomes it can lead to cycles of antagonistic coevolution between them and therefore between the sexes. We tested this hypothesis by performing experimental crosses using Drosophila melanogaster where we reciprocally exchanged the sex chromosomes between five allopatric wild-type populations in a round-robin design. Disrupting putatively coevolved sex chromosome pairs resulted

SUBMITTER: Lund-Hansen KK 

PROVIDER: S-EPMC7923534 | biostudies-literature | 2021 Feb

REPOSITORIES: biostudies-literature