ArticleHeredity2019
Recombination within the Cepaea nemoralis supergene is confounded by incomplete penetrance and epistasis.
Article in Heredity, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Shell colour luminance of Cuban painted snails, Polymita picta and Polymita muscarum (Gastropoda: Cepolidae).PloS one · 2025Article
- High heteroplasmy is associated with low mitochondrial copy number and selection against non-synonymous mutations in the snail Cepaea nemoralis.BMC genomics · 2024Article
- Fine mapping of the Cepaea nemoralis shell colour and mid-banded loci using a high-density linkage map.Heredity · 2023Article
- Dominant gingers - Discovery and inheritance of a new shell polymorphism in the great pond snailEcology and evolution · 2023Article
- Deep structure, long-distance migration and admixture in the colour polymorphic land snail Cepaea nemoralis.Journal of evolutionary biology · 2022Article
- Qualitative and quantitative methods show stability in patterns ofEcology and evolution · 2021Article
- Inversion breakpoints and the evolution of supergenes.Molecular ecology · 2021Review
- The draft genome sequence of the grove snail Cepaea nemoralis.G3 (Bethesda, Md.) · 2021Article
- Discrete or indiscrete? Redefining the colour polymorphism of the land snail Cepaea nemoralis.Heredity · 2019Article
Corrections and comments
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Authors and funding
3 authors.
Funding
Abstract
Although the land snail Cepaea nemoralis is one of the most thoroughly investigated colour polymorphic species, there have been few recent studies on the inheritance of the shell traits. Previously, it has been shown that the shell polymorphism is controlled by a series of nine or more loci, of which five make a single 'supergene' containing tightly linked colour and banding loci and more loosely linked pigmentation, spread band and punctate loci. However, one limitation of earlier work was that putative instances of recombination between loci within the supergene were not easily verified. We therefore generated a new set of C. nemoralis crosses that segregate for colour, banding and pigmentation, and several other unlinked shell phenotype loci. The snails were genotyped using a set of RAD-seq-derived loci that flank the supergene, and instances of recombination tested by comparing inferred supergene genotype against RAD-marker genotype. We found no evidence that suspected 'recombinant' individuals are recombinant between loci within the supergene. As point estimates of recombination between both colour/banding, and colour/pigmentation loci are zero, incomplete penetrance and epistasis are a better explanation for the apparent 'recombinant' phenotype of some snail shells. Overall, this work, therefore, shows that the architecture of the supergene may not be as previously supposed. It also provides a resource for fine mapping of the supergene and other major shell phenotype loci.
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