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Single nucleotide polymorphisms in the MRFs gene family associated with growth in Nile tilapia

文献类型： 外文期刊

作者： Wei, Longjie 1 ; Xiao, Wei 1 ; Chen, Binglin 2 ; Zou, Zhiying 1 ; Zhu, Jinglin 1 ; Li, Dayu 2 ; Yu, Jie 2 ; Yang, Hong 1 ;

作者机构： 1.Nanjing Agr Univ, Wuxi Fisheries Coll, Wuxi 214081, Peoples R China

2.Chinese Acad Fishery Sci, Freshwater Fisheries Res Ctr, Key Lab Freshwater Fisheries & Germplasm Resources, Minist Agr & Rural Affairs, Wuxi 214081, Peoples R China

关键词： Nile tilapia; Myogenic regulatory factors gene family; Growth traits; Diplotype

期刊名称：MOLECULAR BIOLOGY REPORTS （ 影响因子：2.8； 五年影响因子：2.7 ）

ISSN： 0301-4851

年卷期： 2024 年 51 卷 1 期

页码：

收录情况： SCI

摘要： Background Muscle occupies most of the fish body, promoting the proliferation of fish muscle fibers can facilitate rapid growth and increase the body weight of fish. Some studiesSeveral previous suggest that Myogenic regulatory factors (MRFs) play an important role in the growth of fish.Objective To investigate the association between the polymorphism of MRFs gene family and growth traits in Nile tilapia (Oreochromis niloticus), get more molecular markers for growth.Methods Amplified the Nile tilapia MRFs family gene, including Myogenic determination 1 (Myod1), Myogenic determination 2 (Myod2), Myogenin (Myog), Myogenic factor 5 (Myf5), and Myogenic factor 6 (Myf6), single nucleotide polymorphism (SNP) were screened by Sanger sequencing.Results A total of 16 SNP loci were screened, including six for Myf5, six for Myf6, one for Myog, one for Myod1 and two for Myod2. The growth traits were analyzed in relation to these 16 SNP loci, and the results indicated significant associations between all 16 SNP loci and the growth traits (P < 0.05). The linkage disequilibrium analysis revealed that D1 and D2 diplotypes of Myf5 gene, E1, E2, E3 and E4 of Myf6 gene, and F1 diplotype of Myod2 gene were significantly associated with superior growth traits.Conclusion There were 6, 6, 1, 1 and 2 growth-related molecular markers in Myf5, Myf6, Myog, Myod1 and Myod2 genes, respectively, which could be applied to the breeding of Nile tilapia

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