Detection of Quantitative Trait Loci (QTL) Related to Grilsing and Late Sexual Maturation in Atlantic Salmon (Salmo salar)
In Atlantic salmon aquaculture, early sexual maturation represents a major problem for producers. This is especially true for grilse, which mature after one sea winter before reaching a desirable harvest weight, rather than after two sea winters. Salmon maturing as grilse have a much lower market va...
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ftpubmed:oai:pubmedcentral.nih.gov:3896801 2023-05-15T15:29:57+02:00 Detection of Quantitative Trait Loci (QTL) Related to Grilsing and Late Sexual Maturation in Atlantic Salmon (Salmo salar) Gutierrez, Alejandro P. Lubieniecki, Krzysztof P. Fukui, Steve Withler, Ruth E. Swift, Bruce Davidson, William S. 2013-08-04 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3896801 http://www.ncbi.nlm.nih.gov/pubmed/23912817 https://doi.org/10.1007/s10126-013-9530-3 en eng Springer US http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3896801 http://www.ncbi.nlm.nih.gov/pubmed/23912817 http://dx.doi.org/10.1007/s10126-013-9530-3 © The Author(s) 2013 Open Access This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited. CC-BY Original Article Text 2013 ftpubmed https://doi.org/10.1007/s10126-013-9530-3 2014-01-26T01:44:49Z In Atlantic salmon aquaculture, early sexual maturation represents a major problem for producers. This is especially true for grilse, which mature after one sea winter before reaching a desirable harvest weight, rather than after two sea winters. Salmon maturing as grilse have a much lower market value than later maturing individuals. For this reason, most companies desire fish that grow fast and mature late. Marker-assisted selection has the potential to improve the efficiency of selection against early maturation and for late sexual maturation; however, studies identifying age of sexual maturation-related genetic markers are lacking for Atlantic salmon. Therefore, we used a 6.5K single-nucleotide polymorphism (SNP) array to genotype five families from the Mainstream Canada broodstock program and search for SNPs associated with early (grilsing) or late sexual maturation. There were 529 SNP loci that were variable across all five families, and this was the set that was used for quantitative trait loci (QTL) analysis. GridQTL identified two chromosomes, Ssa10 and Ssa21, containing QTL related to grilsing. In contrast, only one QTL, on Ssa18, was found linked to late maturation in Atlantic salmon. Our previous work on these five families did not identify genome-wide significant growth-related QTL on Ssa10, Ssa21, or Ssa18. Therefore, taken together, these results suggest that both grilsing and late sexual maturation are controlled independently of one another and also from growth-related traits. The identification of genomic regions associated with grilsing or late sexual maturation provide an opportunity to incorporate this information into selective breeding programs that will enhance Atlantic salmon farming. Text Atlantic salmon Salmo salar PubMed Central (PMC) Canada Marine Biotechnology 16 1 103 110 |
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Original Article |
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Original Article Gutierrez, Alejandro P. Lubieniecki, Krzysztof P. Fukui, Steve Withler, Ruth E. Swift, Bruce Davidson, William S. Detection of Quantitative Trait Loci (QTL) Related to Grilsing and Late Sexual Maturation in Atlantic Salmon (Salmo salar) |
topic_facet |
Original Article |
description |
In Atlantic salmon aquaculture, early sexual maturation represents a major problem for producers. This is especially true for grilse, which mature after one sea winter before reaching a desirable harvest weight, rather than after two sea winters. Salmon maturing as grilse have a much lower market value than later maturing individuals. For this reason, most companies desire fish that grow fast and mature late. Marker-assisted selection has the potential to improve the efficiency of selection against early maturation and for late sexual maturation; however, studies identifying age of sexual maturation-related genetic markers are lacking for Atlantic salmon. Therefore, we used a 6.5K single-nucleotide polymorphism (SNP) array to genotype five families from the Mainstream Canada broodstock program and search for SNPs associated with early (grilsing) or late sexual maturation. There were 529 SNP loci that were variable across all five families, and this was the set that was used for quantitative trait loci (QTL) analysis. GridQTL identified two chromosomes, Ssa10 and Ssa21, containing QTL related to grilsing. In contrast, only one QTL, on Ssa18, was found linked to late maturation in Atlantic salmon. Our previous work on these five families did not identify genome-wide significant growth-related QTL on Ssa10, Ssa21, or Ssa18. Therefore, taken together, these results suggest that both grilsing and late sexual maturation are controlled independently of one another and also from growth-related traits. The identification of genomic regions associated with grilsing or late sexual maturation provide an opportunity to incorporate this information into selective breeding programs that will enhance Atlantic salmon farming. |
format |
Text |
author |
Gutierrez, Alejandro P. Lubieniecki, Krzysztof P. Fukui, Steve Withler, Ruth E. Swift, Bruce Davidson, William S. |
author_facet |
Gutierrez, Alejandro P. Lubieniecki, Krzysztof P. Fukui, Steve Withler, Ruth E. Swift, Bruce Davidson, William S. |
author_sort |
Gutierrez, Alejandro P. |
title |
Detection of Quantitative Trait Loci (QTL) Related to Grilsing and Late Sexual Maturation in Atlantic Salmon (Salmo salar) |
title_short |
Detection of Quantitative Trait Loci (QTL) Related to Grilsing and Late Sexual Maturation in Atlantic Salmon (Salmo salar) |
title_full |
Detection of Quantitative Trait Loci (QTL) Related to Grilsing and Late Sexual Maturation in Atlantic Salmon (Salmo salar) |
title_fullStr |
Detection of Quantitative Trait Loci (QTL) Related to Grilsing and Late Sexual Maturation in Atlantic Salmon (Salmo salar) |
title_full_unstemmed |
Detection of Quantitative Trait Loci (QTL) Related to Grilsing and Late Sexual Maturation in Atlantic Salmon (Salmo salar) |
title_sort |
detection of quantitative trait loci (qtl) related to grilsing and late sexual maturation in atlantic salmon (salmo salar) |
publisher |
Springer US |
publishDate |
2013 |
url |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3896801 http://www.ncbi.nlm.nih.gov/pubmed/23912817 https://doi.org/10.1007/s10126-013-9530-3 |
geographic |
Canada |
geographic_facet |
Canada |
genre |
Atlantic salmon Salmo salar |
genre_facet |
Atlantic salmon Salmo salar |
op_relation |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3896801 http://www.ncbi.nlm.nih.gov/pubmed/23912817 http://dx.doi.org/10.1007/s10126-013-9530-3 |
op_rights |
© The Author(s) 2013 Open Access This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited. |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1007/s10126-013-9530-3 |
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Marine Biotechnology |
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16 |
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1 |
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103 |
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110 |
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1766360402622414848 |