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ecoevo.social is one of the many independent Mastodon servers you can use to participate in the fediverse.
Dedicated to Ecology and Evolution. We welcome academics, students, industry scientists, folks from other fields with links to E&E, scientific societies, and nature enthusiasts in general.

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Angus Davison

Fine mapping of the Cepaea 🐌 shell colour and mid-banded loci using a high-density linkage 🧬 map, new paper out today in Heredity 🎺🥂 Nothing is ever straightforward in snail genomics! Culmination of much work by PhD student Maggie Johansen. Open access: doi.org/10.1038/s41437-023-006.

Pink mid banded snail on a leaf facing camera. Image credit: Lauren Holden/University of Nottingham
Angus Davison

Image of the map in all its glory. One of the curiosities is that one linkage group contains ~28% of the markers, consistent with previous karyotyping. I have frequently supposed that this large chromosome might be associated with the supergene - but this is not the case.

Linkage map showing the density of markers across all chromosomes and approximate position of mapped C and U loci. Also shown are exemplar C. nemoralis shells, from left: yellow unbanded, pink unbanded, yellow mid-banded, pink mid-banded, yellow five-banded, and pink five-banded.
Sep 27, 2023, 03:03 PM·Public·Elk
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