Wild pedigrees inform mutation rates and historic abundance in baleen whales
Creators
- 1. University of Groningen
- 2. Grønlands Naturinstitut
- 3. National Institute of Aquatic Resources*
- 4. Mingan Island Cetacean Study Inc*
- 5. Center for Coastal Studies
Description
Phylogeny-based estimates suggesting a low germline mutation rate (μ) in baleen whales have influenced research ranging from assessments of whaling impacts to evolutionary cancer biology. We estimated μ directly from pedigrees in four baleen whale species for both the mitochondrial control region and nuclear genome. The results suggest values higher than those obtained through phylogeny-based estimates and similar to pedigree-based values for primates and toothed whales. Applying our estimate of μ reduces previous genetic–based estimates of pre-exploitation whale abundance by 86% and suggests that μ cannot explain low cancer rates in gigantic mammals. Our study shows that it is feasible to estimate μ directly from pedigrees in natural populations, with wide-ranging implications for ecological and evolutionary research.
Notes
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Additional details
Related works
- Is cited by
- 10.1101/2022.10.06.510775 (DOI)