Data from: Evolution of sex determination loci in Atlantic salmon ...
Teleost fish exhibit a remarkable diversity in the control of sex determination, offering the opportunity to identify novel differentiation mechanisms and their ecological consequences. Here, we perform GWAS using 4715 fish and 46,501 SNP to map sex determination to three separate genomic locations...
| Main Authors: | , , , , , , , , |
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| Format: | Dataset |
| Language: | English |
| Published: |
Dryad
2019
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| Subjects: | |
| Online Access: | https://dx.doi.org/10.5061/dryad.117hh https://datadryad.org/stash/dataset/doi:10.5061/dryad.117hh |
| Summary: | Teleost fish exhibit a remarkable diversity in the control of sex determination, offering the opportunity to identify novel differentiation mechanisms and their ecological consequences. Here, we perform GWAS using 4715 fish and 46,501 SNP to map sex determination to three separate genomic locations in Atlantic salmon (Salmo salar). To characterize each, whole genome sequencing was performed to 30-fold depth of coverage using 20 fish representing each of three identified sex lineages. SNP polymorphism reveals male fish carry a single copy of the male specific region, consistent with an XX/XY or male heterogametric sex system. Haplotype analysis revealed deep divergence between the putatively ancestral locus on chromosome 2, compared with loci on chromosomes 3 and 6. Haplotypes in fish carrying either the chromosome 3 or 6 loci were nearly indistinguishable, indicating a founding event that occurred following the speciation event that defines defined Salmo salar from other salmonids. These findings highlight ... : Variant calls from 19 Atlantic salmonVariant calls from 19 Atlantic salmon against Solmo salar reference (ICSASG_v2 ) and a BAC contig covering the sdY region (NCBI accession KP898412)tas_salmon_19_dip.vcf.gz ... |
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