TAT gene polymorphism and its relationship with production traits in Muscovy ducks (Cairina Moschata)

In a previous study, the laying pattern of Muscovy duck was explored by macro-fitting the laying curve of Muscovy duck, and transcriptome sequencing technique of the ovarian tissues was used to screen the egg-related gene “TAT.” Moreover, recent results have shown that TAT is expressed in organs suc...

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Bibliographic Details
Published in:Poultry science 2023-05, Vol.102 (5), p.102551-102551, Article 102551
Main Authors: Ju, Xing, Wang, Zhijun, Cai, Danfeng, Xu, Haiping, Bello, Semiu Folaniyi, Zhang, Siyu, Zhu, Weijian, Ji, Congliang, Nie, Qinghua
Format: Article
Language:English
Subjects:
Animals
association analysis
Chickens - genetics
Ducks - physiology
egg production traits
Female
Genes, tat
Male
Muscovy ducks
Phenotype
PHYSIOLOGY AND REPRODUCTION
Polymorphism, Genetic
TAT gene
variation
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Summary:In a previous study, the laying pattern of Muscovy duck was explored by macro-fitting the laying curve of Muscovy duck, and transcriptome sequencing technique of the ovarian tissues was used to screen the egg-related gene “TAT.” Moreover, recent results have shown that TAT is expressed in organs such as oviduct, ovary, and testis. The objective of this study is to examine the effect of TAT gene on egg production traits of Muscovy ducks. First, the expression levels of TAT gene in highest producing (HP) and lowest producing (LP) in 3 tissues related to reproduction were examined, and the results indicated that the expression of TAT gene in hypothalamus was significantly different between HP and LP groups. Then, 6 SNP loci (g. 120G>T, g, 122G>A, g, 254G> A, g. 270C >T, g, 312G>A, and g. 341C>A) were detected in TAT gene. Further, association analysis between the six SNP loci of TAT gene and egg production traits of 652 individual Muscovy ducks was done. The results showed that g. 254G>A and g. 270C>T were significantly correlated (P < 0.05 or 0.001) with the egg production traits of Muscovy ducks. This study elucidated the molecular mechanism that TAT gene might be regulating the egg production traits of Muscovy ducks.
ISSN:0032-5791
1525-3171
DOI:10.1016/j.psj.2023.102551