ArticleScientific reports2016
Genomic characterization of the Atlantic cod sex-locus.
Article in Scientific reports, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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17 citing papers in PubMed, 48 citations in OpenAlex.
- Prematuration differences in male and female Atlantic cod: Investigating sex ratio, length and ecotype disparities in juveniles.Journal of fish biology · 2025Article
- Genomic Signatures of Domestication in European Seabass (Ecology and evolution · 2024Article
- Identification of sex-specific markers using genome re-sequencing in the blunt snout bream (Megalobrama amblycephala).BMC genomics · 2024Article
- Genomic architecture and population structure of Boreogadus saida from Canadian waters.Scientific reports · 2024Article
- Identification of Sex-Specific Markers and Candidate Genes Using WGS Sequencing Reveals a ZW-Type Sex-Determination System in the Chinese Soft-Shell Turtle (International journal of molecular sciences · 2024Article
- Ancestral reconstruction reveals catalytic inactivation of activation-induced cytidine deaminase concomitant with cold water adaption in the Gadiformes bony fish.BMC biology · 2022Article
- Fishing for DNA? Designing baits for population genetics in target enrichment experiments: Guidelines, considerations and the new tool supeRbaits.Molecular ecology resources · 2022Article
- Low-coverage whole-genome sequencing reveals molecular markers for spawning season and sex identification in Gulf of Maine Atlantic cod (Ecology and evolution · 2021Article
- RADSex: A computational workflow to study sex determination using restriction site-associated DNA sequencing data.Molecular ecology resources · 2021Article
- Genomic landscape of reproductive isolation in Lucania killifish: The role of sex loci and salinity.Journal of evolutionary biology · 2021Article
- Prediction of the Sex-Associated Genomic Region in Tunas (International journal of genomics · 2021Article
- Network Analysis of Linkage Disequilibrium Reveals Genome Architecture in Chum Salmon.G3 (Bethesda, Md.) · 2020Article
- Improvement of the Pacific bluefin tuna (Thunnus orientalis) reference genome and development of male-specific DNA markers.Scientific reports · 2019Article
- Disentangling structural genomic and behavioural barriers in a sea of connectivity.Molecular ecology · 2019Article
- Characterization of a male specific region containing a candidate sex determining gene in Atlantic cod.Scientific reports · 2019Article
- Assessing SNP-markers to study population mixing and ecological adaptation in Baltic cod.PloS one · 2019Article
- Ancient DNA reveals the Arctic origin of Viking Age cod from Haithabu, Germany.Proceedings of the National Academy of Sciences of the United States of America · 2017Article
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Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A variety of sex determination mechanisms can be observed in evolutionary divergent teleosts. Sex determination is genetic in Atlantic cod (Gadus morhua), however the genomic location or size of its sex-locus is unknown. Here, we characterize the sex-locus of Atlantic cod using whole genome sequence (WGS) data of 227 wild-caught specimens. Analyzing more than 55 million polymorphic loci, we identify 166 loci that are associated with sex. These loci are located in six distinct regions on five different linkage groups (LG) in the genome. The largest of these regions, an approximately 55 Kb region on LG11, contains the majority of genotypes that segregate closely according to a XX-XY system. Genotypes in this region can be used genetically determine sex, whereas those in the other regions are inconsistently sex-linked. The identified region on LG11 and its surrounding genes have no clear sequence homology with genes or regulatory elements associated with sex-determination or differentiation in other species. The functionality of this sex-locus therefore remains unknown. The WGS strategy used here proved adequate for detecting the small regions associated with sex in this species. Our results highlight the evolutionary flexibility in genomic architecture underlying teleost sex-determination and allow practical applications to genetically sex Atlantic cod.
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