Phylogenomic timetree-calibrated speciation clocks for <i>Caenorhabditis</i> nematodes reveal slow but disproportionate accumulation of post-zygotic reproductive isolation

Abstract excerpt

Reproductive isolation and genomic divergence both accumulate over time in the formation and persistence of distinct biological species. The pace of “speciation clocks” quantified with pre-zygotic and post-zygotic reproductive isolation, however, differs among taxa, with pre-zygotic isolation tending to evolve sooner in some but not all taxa. To address this issue in nematodes for the first time, here we infer the...

Topics

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• Amino Acid Substitution
• Caenorhabditis
• Computer Simulation
• Drosophila
• Genetic Variation
• Mutation
• Phylogeny
• Time Factors

Identifiers and source

Literature Corpus work

f275235f-b6ea-5a19-a749-2a48f14d9b96

DOI

10.1101/2025.06.18.660443