Molecular characterization, expression profile of the FSHR gene and its association with egg production traits in muscovy duck
文献类型: 外文期刊
第一作者: Xu, Jiguo
作者: Xu, Jiguo;Gao, Xinfeng;Li, Xing;Ye, Qiao;Jebessa, Endashaw;Abdalla, Bahareldin Ali;Nie, Qinghua;Xu, Jiguo;Gao, Xinfeng;Li, Xing;Ye, Qiao;Jebessa, Endashaw;Abdalla, Bahareldin Ali;Nie, Qinghua;Xu, Jiguo;Gao, Xinfeng;Li, Xing;Ye, Qiao;Jebessa, Endashaw;Abdalla, Bahareldin Ali;Nie, Qinghua
作者机构:
关键词: FSHR gene;variant transcripts;gene expression;muscovy duck;egg production traits
期刊名称:JOURNAL OF GENETICS ( 影响因子:1.166; 五年影响因子:1.212 )
ISSN:
年卷期:
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收录情况: SCI
摘要: Follicle-stimulating hormone (FSH) and its receptor play a key role in the follicular development and regulation of steroidogenesis in the ovary and spermatogenesis in the testis. The purpose of this study was to characterize the muscovy duck FSHR gene, identify SNPs and their association with egg production traits in muscovy ducks. Here, we cloned the complementary DNA (cDNA) sequence of FSHR, and examined the expression patterns of FSHR gene in adult female muscovy duck tissues. The cloned cDNA of the muscovy duck FSHR gene shared high similarity to those of pekin duck (Anas platyrhynchos) (95.7%) and chicken (93.2%). Three different muscovy duck FSHR transcripts were identified. Quantitative real-time PCR (RT-qPCR) results showed that the FSHR gene was expressed in all the 14 tested tissues, and the highest expression level was seen in the ovary. A total of 16 SNPs were identified, among which, four SNPs were located in the coding region of FSHR. The SNP C320T is significantly associated with egg production at 59 weeks of age (), whereas the SNP A227G is significantly associated with age at first egg stage (). These results suggest that the two SNPs (A227G and C320T) of FSHR gene are associated with egg production traits and could be potential markers that can be used for marker-assisted selection programmes to increase egg production in muscovy duck.
分类号: Q3
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