Association of genetic markers with sex determination in Thai red tilapia

The objectives of this study were to verify the polymorphism on sex-linked marker loci and to assess their associations with phenotypic sex characteristics in red tilapia. Four sex-linked genetic markers of Amh, SCAR4, SCAR5, and Oni3161 were genotyped in the Thai red tilapia population. Th...

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Main Authors: Watcharapong Naraballobh, Nanthana Pothakam, Worrarak Norseeda, Noppasin Sommit, Tawatchai Teltathum, Hien Van Doan, Korawan Sringarm, Trisadee Khamlor, Supamit Mekchay
Format: Article
Language:English
Published: Faculty of Veterinary Medicine, Chiang Mai University 2021-09-01
Series:Veterinary Integrative Sciences
Online Access:https://he02.tci-thaijo.org/index.php/vis/article/view/254451
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author Watcharapong Naraballobh
Nanthana Pothakam
Worrarak Norseeda
Noppasin Sommit
Tawatchai Teltathum
Hien Van Doan
Korawan Sringarm
Trisadee Khamlor
Supamit Mekchay
author_facet Watcharapong Naraballobh
Nanthana Pothakam
Worrarak Norseeda
Noppasin Sommit
Tawatchai Teltathum
Hien Van Doan
Korawan Sringarm
Trisadee Khamlor
Supamit Mekchay
author_sort Watcharapong Naraballobh
collection DOAJ
description The objectives of this study were to verify the polymorphism on sex-linked marker loci and to assess their associations with phenotypic sex characteristics in red tilapia. Four sex-linked genetic markers of Amh, SCAR4, SCAR5, and Oni3161 were genotyped in the Thai red tilapia population. The Amh marker was significantly associated with the phenotypic sex of red tilapia with an accuracy of 46.2%. No significant association of SCAR4, SCAR5, and Oni3161 marker polymorphisms with phenotypic sex characteristics was observed in this study. However, the combinations of these two, three, and four markers were increasingly associated with phenotypic sex characteristics for red tilapia with an accuracy of 62.8, 68.4, and 72.4%, respectively. These results indicate that these combined genetic markers were associated with the phenotypic sex of red tilapias. These findings confirmed the importance of these genetic markers as candidate markers for sex determination in the Thai red tilapia population.
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spelling doaj.art-388d8508e101446eaf4430d938095ed02023-04-28T08:34:58ZengFaculty of Veterinary Medicine, Chiang Mai UniversityVeterinary Integrative Sciences2629-99682021-09-01201738310.12982/VIS.2022.007Association of genetic markers with sex determination in Thai red tilapiaWatcharapong NaraballobhNanthana PothakamWorrarak NorseedaNoppasin SommitTawatchai TeltathumHien Van DoanKorawan SringarmTrisadee KhamlorSupamit Mekchay The objectives of this study were to verify the polymorphism on sex-linked marker loci and to assess their associations with phenotypic sex characteristics in red tilapia. Four sex-linked genetic markers of Amh, SCAR4, SCAR5, and Oni3161 were genotyped in the Thai red tilapia population. The Amh marker was significantly associated with the phenotypic sex of red tilapia with an accuracy of 46.2%. No significant association of SCAR4, SCAR5, and Oni3161 marker polymorphisms with phenotypic sex characteristics was observed in this study. However, the combinations of these two, three, and four markers were increasingly associated with phenotypic sex characteristics for red tilapia with an accuracy of 62.8, 68.4, and 72.4%, respectively. These results indicate that these combined genetic markers were associated with the phenotypic sex of red tilapias. These findings confirmed the importance of these genetic markers as candidate markers for sex determination in the Thai red tilapia population.https://he02.tci-thaijo.org/index.php/vis/article/view/254451
spellingShingle Watcharapong Naraballobh
Nanthana Pothakam
Worrarak Norseeda
Noppasin Sommit
Tawatchai Teltathum
Hien Van Doan
Korawan Sringarm
Trisadee Khamlor
Supamit Mekchay
Association of genetic markers with sex determination in Thai red tilapia
Veterinary Integrative Sciences
title Association of genetic markers with sex determination in Thai red tilapia
title_full Association of genetic markers with sex determination in Thai red tilapia
title_fullStr Association of genetic markers with sex determination in Thai red tilapia
title_full_unstemmed Association of genetic markers with sex determination in Thai red tilapia
title_short Association of genetic markers with sex determination in Thai red tilapia
title_sort association of genetic markers with sex determination in thai red tilapia
url https://he02.tci-thaijo.org/index.php/vis/article/view/254451
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