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Association analysis of aquaporin 7 (AQP7) gene variants with semen quality and fertility in bulls

文献类型： 外文期刊

作者： Ma, Teng-He 1 ; Liu, Ji-Feng 1 ; Zhao, Rui-Feng 3 ; Jiang, Hao 1 ; Dai, Li-Sheng 1 ; Zhao, Yu-Min 4 ; Zhao, Zhi-Hui 2 ; Z 1 ;

作者机构： 1.Jilin Univ, Coll Anim Sci & Vet Med, Changchun 130062, Jilin, Peoples R China

2.Jilin Univ, Lab Anim Ctr, Changchun 130062, Jilin, Peoples R China

3.Inst High Qual Cattle Changchun Jilin, Changchun 130062, Jilin, Peoples R China

4.Jilin Acad Agr Sci, Changchun 130062, Jilin, Peoples R China

关键词： AQP7 gene;single nucleotide polymorphisms;SNPs;association analysis;Simmental bulls;Charolais bulls

期刊名称：TURKISH JOURNAL OF VETERINARY & ANIMAL SCIENCES （ 影响因子：0.581； 五年影响因子：0.78 ）

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收录情况： SCI

摘要： Aquaporin 7 (AQP7) gene as a candidate Antifreeze gene was investigated and associated with fresh and frozen semen quality traits in 45 Simmental and Charolais bulls. PCR-SSCP, PCR-RFLP, and sequencing method were employed to detect the single nucleotide polymorphisms (SNPs) of the AQP7 gene. Two mutations, A264G and G371C, were identified. The allele frequencies were A (0.97, 0.96) to B (0.03, 0.04) and C (0.97, 0.91) to D (0.03, 0.09) in Sim-mental and Charolais bulls, respectively. A264G substitution was significantly associated with acrosome integrity ratio (P < 0.01) and motility (P < 0.05) in frozen semen. Meanwhile, G371C substitution was significantly associated with acrosome integrity ratio (P < 0.05), percentages of viable sperm (P < 0.05), and motility (P < 0.01) in frozen semen. The results prove that AQP7 gene SNPs are useful for marker-assisted selection in early seed selection in the bull industry.

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