《中国畜牧兽医》---唯一指定的官方网站 ›› 2015, Vol. 42 ›› Issue (6): 1553-1558.doi: 10.16431/j.cnki.1671-7236.2015.06.034

• 遗传繁育 • 上一篇    下一篇

CARD15基因StyⅠ酶切多态性与奶牛结核病易感性的相关性分析

秦波1, 柳桐1, 徐聪2, 董国栋3, 王生奎1, 涂文姬1, 史宪伟1, 张以芳1   

  1. 1. 云南农业大学动物科学技术学院, 昆明 650201;
    2. 云南省动物疫病预防控制中心, 昆明 650022;
    3. 云南省玉溪市动物疫病预防控制中心, 玉溪 653100
  • 收稿日期:2014-12-12 出版日期:2015-06-20 发布日期:2015-07-23
  • 通讯作者: 史宪伟, 张以芳 E-mail:xwshi5@163.com;zyfkm@qq.com
  • 作者简介:秦 波(1987-),男,重庆荣昌人,硕士生,研究方向:动物微生物与免疫学,E-mail:1306902093@qq.com 柳 桐(1988-),男,山东潍坊人,硕士生,研究方向:动物微生物与免疫学,E-mail:1105077339@qq.com
  • 基金资助:

    国家自然科学基金(31260598);云南省应用基础研究重点项目(2011FA014);云南省重点新产品开发计划(2014BB004);云南省院士专家工作站基金(2014 IC034)

Correlation Study of CARD15 Gene StyⅠPolymorphism and Susceptibility of Tuberculosis in Dairy Cows

QIN Bo1, LIU Tong1, XU Cong2, DONG Guo-dong3, WANG Sheng-kui1, TU Wen-ji1, SHI Xian-wei1, ZHANG Yi-fang1   

  1. 1. College of Animal Science and Technology, Yunnan Agricultural University, Kunming 650201, China;
    2. Yunnan Center for Disease Control and Prevention, Kunming 650022, China;
    3. Yunnan Province Yuxi Municipal Center for Disease Control and Prevention, Yuxi 653100, China
  • Received:2014-12-12 Online:2015-06-20 Published:2015-07-23

摘要: 本试验旨在探讨CARD15基因StyⅠ酶切位点多态性与云南高原奶牛结核病易感性的关联.选择云南昆明、玉溪、大理等地结核病阳性奶牛103头,结核病阴性奶牛98头,共201头为研究对象,应用创造酶切位点原理设计引物,通过PCR-RFLP与PCR直接测序法相结合的检测方法,获得CARD15基因StyⅠ酶切位点的基因型及等位基因频率,分析该位点与云南高原奶牛结核病易感性的关系.结果显示,CARD15基因的StyⅠ酶切位点存在AA、AG、GG 3种基因型,在结核病例组中AA、AG、GG基因型频率为0.03、0.42和0.55,A、G等位基因频率为0.24和0.76;在结核对照组中AA、AG、GG基因型频率为0.01、0.05和0.94,A、G等位基因频率为0.04和0.96;对多态性位点的遗传模式进行分析,最佳遗传模式为显性遗传(dominant),在此遗传模式下基因型AG-AA在病例组的频率44.7%,明显高于对照组的频率6.1%,OR(95% CI)=0.08(OR< 1),在病例组与对照组的分布之间有极显著差异(P< 0.0001).结果表明,云南高原奶牛CARD15基因StyⅠ酶切位点多态性与结核病的发生有显著关联性,且基因型AG-AA可能是结核易感型.

关键词: CARD15基因; 奶牛; 结核病; 单核苷酸多态性

Abstract: The aim of this study was to investigate the association between CARD15 gene StyⅠpolymorphism and susceptibility to tuberculosis (TB) of dairy cows from Yunnan plateau.A total of 201 dairy cows (103 cases and 98 controls) from Kunming,Yuxi and Dali were used in this study.We designed a specific primer pair for PCR-RFLP analysis.By using PCR-RFLP genotyping and PCR sequencing,We analysized allele frequency and correlation between polymorphism of CARD15 gene and susceptibility to bovine tuberculosis in Yunnan province.The results showed that there were three genotypes in Sty Ⅰ enzyme site,AA,AG and GG.In cases,the genotype frequencies of AA,AG and GG were 0.03,0.42 and 0.55,respectively,while in controls were 0.01,0.05 and 0.94,and the allele frequencies of A and G were 0.24 and 0.76 in cases,while were 0.04 and 0.96 in controls.Then analysizing the genetic pattern of polymorphic loci,we found that the best genetic model was dominant and the frequency of AG-AA in cases (44.7%) was apparently higher than that in controls (6.1%) (OR(95% CI)=0.08 (OR< 1)),so extremely significant difference existed between cases and controls (P< 0.0001).The polymorphism of StyⅠenzyme cut site in CARD15 gene was significantly associated with the susceptibility to tuberculosis of Yunnan plateau dairy cows,and AG-AA might be the susceptible genotype to tuberculosis.

Key words: CARD15 gene; dairy cows; tuberculosis; single nucleotide polymorphism

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