草原红牛CAPN3基因多态性及与胴体性状的关联分析

doi:10.7668/hbnxb.2011.02.015

华北农学报 ›› 2011, Vol. 26 ›› Issue (2): 66-69. doi: 10.7668/hbnxb.2011.02.015

所属专题： 畜牧；生物技术；

草原红牛CAPN3基因多态性及与胴体性状的关联分析

刘博洋¹, 孟纪伦¹, 邱峥艳¹, 芦春艳¹, 秦立红¹, 张国梁², 赵志辉¹

1. 吉林大学畜牧兽医学院, 吉林长春, 130062;
2. 吉林省农业科学院, 吉林公主岭, 136100

收稿日期:2010-12-27 出版日期:2011-04-28
作者简介:刘博洋(1986-),男,内蒙古呼和浩特人,在读硕士,主要从事分子遗传与动物育种研究.
基金资助:
国家科技支撑计划项目(2007BAD55B01);国家"863"计划项目(2008AA101010)

SNP Analysis of CAPN3 Gene and Relationship with Meat Quality Traits of Chinese Red Steppes

LIU Bo-yang¹, MENG Ji-lun¹, QIU Zheng-yan¹, LU Chun-yan¹, QIN Li-hong¹, ZHANG Guo-liang², ZHAO Zhi-hui¹

1. College of Animal Science and Veterinary Medicine, Jilin University, Changchun 130062, China;
2. Jilin Academy of Agriculture Sciences, Gongzhuling 136100, China

Received:2010-12-27 Published:2011-04-28

摘要/Abstract

摘要： 采用PCR-SSCP方法对58头草原红牛钙激活中性蛋白酶3基因(CAPN3)的单核苷酸多态性进行研究分析,发现其外显子1存在三种基因型AA、AB和BB,测序发现,在外显子1的12位存在碱基突变,由原来的A突变为G,氨基酸水平由天冬氨酸Asp变为天冬酰胺Asn,此SNP位点在此前的研究中未见报道.经遗传多样性分析表明,该位点等位基因A占优势地位,且三种基因型分布符合Hardy-weinberg平衡.通过显著性差异检验发现,CAPN3基因此位点的多态性对该牛群的屠宰率、净肉率和大理石花纹这三个性状有显著影响(P＜0.05),这将为CAPN3作为牛肉肉质性状候选基因提供进一步依据.

关键词: 草原红牛, CAPN3, 多态性, 胴体性状

Abstract: The experiment was conducted to detect the genetic variations of cAPN3 gene in Chinese Red Steppes.The polymorphisms in CAPN3 gene in Chinese Red Steppe were detected by PCR-SSCP.The result of cloning and sequencing indicated that polymorphism of exonl was dued to base mutation of A-G in position 124,and there were three genotypes(AA,AB and BB).The analysis of variance was conducted and the results showed that Beef dressing percentage,neat percentage and marbling were significantly related with the different genotypes of CAPN3 gene.The results of this research Can provide the foundations for CAPN3 as a beef tenderness candidate gene.

Key words: Chinese red steppe, CAPN3, Polymorphisms, Meat quality traits

中图分类号:

刘博洋, 孟纪伦, 邱峥艳, 芦春艳, 秦立红, 张国梁, 赵志辉. 草原红牛CAPN3基因多态性及与胴体性状的关联分析[J]. 华北农学报, 2011, 26(2): 66-69. doi: 10.7668/hbnxb.2011.02.015.

LIU Bo-yang, MENG Ji-lun, QIU Zheng-yan, LU Chun-yan, QIN Li-hong, ZHANG Guo-liang, ZHAO Zhi-hui. SNP Analysis of CAPN3 Gene and Relationship with Meat Quality Traits of Chinese Red Steppes[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2011, 26(2): 66-69. doi: 10.7668/hbnxb.2011.02.015.

http://www.hbnxb.net/CN/Y2011/V26/I2/66

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